Some gardening enthusiasts do prune their creeping phlox to give it a neater shape, but it is not necessary. Patricia Hamilton Reed has written professionally since 1987. When the plant has a case of powdery mildew, resterilize the tool before using it to cut other plants. DO NOT prune lantana back during the Fall. Healthy phlox plants can be cut back by half after the flowers fade from late summer to fall to prevent reseeding. See how RHS can give expert advice on growing, feeding, pruning and propagating plants. By planting at a distance of at least 24 inches from any other plants, more area is provided for air circulation to help ward off mildew. The plant requires some pruning to keep it healthy and to … However, this … I've already cut mine back - to the base. All Rights Reserved. Gardeners can use larger pruning shears, or hedge trimmers for very large phlox, and leave only 2 inches to 4 inches of plant stem. However, this eccentric plant can require some specific pruning. Plant phlox paniculata at least 24 inches apart. Learn which plants thrive in your Hardiness Zone with our new interactive map! This will allow the plant not to waste nutrients on seed formation and maintain a neat appearance of the flowerbed. Previously, she owned her own business, selling handmade items online, wholesale and at crafts fairs. The leaves on my white one became dry and the flower was not as big as the pink one. Pruning early in the season cuts the chances that your phlox plants will develop powdery mildew. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. produces spikes of flowers that bloom during the summer months. Phlox are nontoxic and considered safe for planting around children and pets. Healthy phlox plants can be cut back by half after the flowers fade from late summer to fall to prevent reseeding. Phlox Care. Dividing: To prevent overcrowding and improve the vigor of your plants, divide them every 3 to 4 years. Phlox. To prune clump-forming perennials such as hardy geraniums, reduce clumps to the ground level in the fall. Use sharp, sterile pruning shears when cutting back your phlox. Phlox paniculata, commonly known as creeping phlox, moss phlox, mountain phlox, moss pinks or thrift, is very easy to grow when planted right and in the right spot. The large, scented blooms display from July into September. The half-hardy annual group are useful as bedding plants and for growing in containers. Phlox is hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety. Jul 12, 2020 - Garden phlox (Phlox spp.) Phlox prefer rich soil that does not dry out and partial shade. Some tall phlox cultivars are bred to be resistant to the disease, and the plain species plant is more resistant than named cultivars. Loosen soil by cutting through the thick mat of phlox. Rake up all fallen leaves and pruning clippings immediately so they don't harbor spores near the phlox.Jenny Harrington has been a freelance writer since 2006. The time to hard prune lantana is in mid to late Spring when new growth begins to emerge. Choose one stem in every three to five stems and cut it to the ground. A long time favorite among gardeners, the Phlox is a ground covering plant that has adorned cottages and Victorian homes for several hundred years. Prune out blooms that have faded by snipping the bloom off just under the head of the bloom or anywhere down the stem. The remaining blooms will be larger and brighter. Reed was editor of the "Grand Ledge Independent" weekly newspaper and a Capitol Hill reporter for the national newsletter "Corporate & Foundation Grants Alert." There are 3 main varieties of phlox: tall, medium and low growing. Tweet. Use a weed trimmer or hedge shears. Prepare your transplant location by loosening the soil. The Royal Horticultural Society is the UK’s leading gardening charity. Being aware of when and how to prune Lantana is as essential as knowing how to grow it. The pink is more aromatic, more beautiful and full and lasts longer. Any perennials and grasses that die back can be died up this way in autumn, too. If you do not plan to get phlox seeds, you need to cut off the inflorescences. If you want it to thrive, you must provide what it needs. Cutting back phlox requires different techniques for these different times, with more aggressive trimming needed in early winter, and careful removal of … Try to perform direct sowing in the plot in spring, using a blend of soil mix and garden soil. You can prune phlox paniculata to encourage more blooms, control appearance and for seasonal cleanup. Harrington's specialties include small business information, crafting, decorating and gardening. This type of pinching back will result in blooms showing on the pinched stem after blooms have occurred on other stems to provide a continuing floral display. produces spikes of flowers that bloom during the summer months. Creeping phlox, or Phlox subulata, should be planted 8 inches apart from each other. However, it would be best if you still learned how to prune phlox correctly to keep them from overgrowing and getting overcrowded. It's not pruning, as the top growth does … Tweet. Prune or pinch back about one-third of the stems in the spring. Keep pruning tools out of reach of children. Other more diminutive species grow in sunny rock gardens and shadier situations. Learn which plants thrive in your Hardiness Zone with our new interactive map! Trimming your creeping phlox … You can prune phlox paniculata to encourage more blooms, control appearance and for seasonal cleanup. Is the best time in the spring and should they be cut back to about six inches or about halfway down the plant? Get involved. Prune away the upper set of leaves … Alan Titchmarsh. At the end of the season, normally after a hard frost, cutting back phlox substantially prevents much winter damage to the perennial. The plant requires some pruning to keep it healthy and to encourage it to develop its best flowering … Deadheading -- removing old flowers -- prevents seed formation, which encourages some phlox varieties to put forth new growth and new flowers. Do I need to prune phlox after flowering. When the plants are about 6 inches tall in the spring, thin the plant to five or six of the healthiest stems, spread across the plant. Height – 8 inches to 3 feet (0.2 to 1 m) Exposure – full sun Soil – rather rich and well drained. produces spikes of flowers that bloom during the summer months. A tidy garden is a healthy garden, and cutting back perennials helps to achieve both of these things. Creeping Phlox Creeping Phlox Planting Instructions: Tips For Growing Creeping Phlox. It produces an abundance of clusters of scented, cerise flowers throughout the summer. Trim back the entire plants by one-third to one-half their height. Trim the brown layer back dramatically with the garden shears or a pair of regular scissors if garden shears are not available. You can let this flower grow naturally, and it will still look breathtakingly good. In a pot or nursery container. Phlox are herbaceous plants most commonly known for making billowing mounds of scented flowers in summer borders. Cut the other stems out at the base with bypass pruners. Both plants prefer well-drained soil, but they will also grow well in soils with lots of sand or gravel. Also known as creeping phlox, Phlox subulata is a perennial that colors the landscape with a blanket of bright, five-petaled blooms in early spring. The David variety of phlox paniculata produces pure white clusters of blooms. Wipe the shears with a cloth that was soaked in isopropyl alcohol before you begin pruning and again after pruning to remove fungal spores and disease pathogens. The David variety of phlox paniculata produces pure white clusters of blooms. Place the pots of cuttings in a cold frame, where they’ll root and grow into new young plants by midsummer. 7478 Views Save Print Email. If you want to keep this plant healthy during the long winter months, so that it comes back vibrantly in the spring and summer, it's important to provide winter care for the plant. Harrington's specialties include small business information, crafting, decorating and gardening. Cutting Back Phlox. Prune out stems in full plants in late spring to open up the plant and subsequently allow other stems to produce larger blooms. Better to avoid all-day sunshine and grow your phlox in no more than six hours of sun a day. Powdery mildew, caused by a fungus (Erysiphe cichoracearum), often strikes tall phlox in midsummer. If the area is large, use a mower with the blade on the highest setting. Phlox (Phlox paniculata) Phlox is prone toward powdery mildew. The plant requires some pruning to keep it healthy and to … produces spikes of flowers that bloom during the summer months. Creeping phlox, Phlox subulata, is a stunning low-growing perennial that creates a striking carpet full of 5-petaled blooms in radiant hues of reds, purples, blues, pinks and whites in late April and May.Typically reaching a mere height of 6 inches, but often spreading to 2 feet, it is a great choice for a groundcover. Mix in humus or compost to improve the nutrient content. Phlox paniculata, or garden phlox, is a tall perennial plant suitable for the back of a flower bed or in front of a building or fence. One of … Garden or Summer phlox is one of the tallest varieties. Generally, the idea is to reduce the plant’s height by about a third. When the plants are about 6 inches tall in the spring, thin the plant to five or six of the healthiest stems, spread across the plant. Gardening question - how and when do I prune phlox. In contrast, winter pruning can be an … 5 Remove the dead flower clusters from the plants when flowering is done. Even the resistant varieties can become infected in bad weather. How to Prune Phlox. This will divert energy to the remaining stems, and the phlox will be healthier and produce better blooms. Plan the perfect garden with our interactive tool →, University of Minnesota Extension: Tall Garden Phlox for Minnesota Gardens, Ohio State University Extension: Pruning Perennials Can Improve Flowering and Extend Season. How to Do the Chelsea Chop. See how RHS can give expert advice on growing, feeding, pruning and propagating plants. Prune down to the ground after the plant blooms or in the fall. You can prune phlox in summer and winter. Find specific plants with our Plant Finder & Plant Selector. It begins as white, powdery patches on foliage, which can merge and eventually cover all the green on the plant. The disease is prevalent in areas with high humidity and where plants are shaded and frequently watered overhead in the evening, which doesn't give the foliage a chance to dry before the temperatures cool. The half-hardy annual group are useful as bedding plants and for growing in containers. Cut away all the dead foliage. It is one of those vintage plants that never loses its appeal. Phlox paniculata, or garden phlox, is a tall perennial plant suitable for the back of a flower bed or in front of a building or fence. Other plants to take root cuttings from at this time of year … 2896 Views Save Print Email. Phlox only requires fall trimming in areas that experience minimal winter snowfall. Pinching out the tips of the stems that remain encourages branching to help the plant fill in at the top, while allowing for increased air circulation around the base, which discourages the fungal disease. Apr 10, 2016 - Garden phlox (Phlox spp.) Phloxes are among the very beautiful flowers that decorate our gardens over the summer. How To Prune Creeping Phlox, How To Plant Phlox Tuitorial, HOW TO PROPAGATE CREEPING PHLOX, Pruning Phlox, Creeping Phlox Pruning, How & When To Trim Phlox, Do I Prune Creeping Phlox, How To Prune Phlox, How To Prune Phlox Subulata. After cutting back your plants, apply a light mulch. Prune tilbage errant eller indtrængende stilke, der vokser ind i nærliggende planter eller dækker klipper eller fortovet. Shorter phlox species that you are not growing as ground cover can also be pruned when they are 4 to 6 inches (10 to 15 cm) tall. Phlox needs to be cut back twice in the growing season: periodically, after each flower finishes blooming, known as deadheading, and once after frost. If so, prune and destroy all foliage and stems in the fall. Phlox is prone to the disease powdery mildew, which disfigures the plants from the bottom up, covering them in a whitish powder. The plant, perennial in U.S. Department of Agriculture plant hardiness zones 3 through 8, is an attractive middle-of-the-border plant for full sun that grows from 2 to 3 feet tall and blooms for as long as six weeks from late summer into fall. Wear gloves to protect your hands from inadvertent cuts or from soil-borne disease. This will encourage it to be bushier and bloom a little later than … The plant can reach widths of 24 inches. Hi there, I've finally learned that to have bushy tall phlox in the fall (without staking) you must pinch three times. The problem is, I'm never really sure exactly "where" to make the pinch/prune. Plan the perfect garden with our interactive tool →, University of Illinois Extension: Garden Phlox, Phlox Paniculata, University of Minnesota Extension: Tall Garden Phlox for Minnesota Gardens, Viette's Views: Keep the Winter Garden in Mind This Fall, University of Illinois Extension: To Prune or Not to Prune -- Perennials, California Poison Control: Know Your Plants. Shorter phlox varieties such as creeping phlox (Phlox stolonifera), hardy in USDA zones 4 through 8, and moss phlox (Phlox subulata), hardy in USDA zones 2 through 8, need to be cut back after they finish flowering. Cut the other stems out at the base with bypass pruners. Oct 11, 2014 - Garden phlox (Phlox spp.) Start when they are around 6 inches (15 cm) tall if you are growing a tall species of phlox. produces spikes of flowers that bloom during the summer months. The plant requires some pruning to keep it healthy and to … Raskauskas is active in the small business she and her husband have owned since 2000 and is a former MS Office instructor. Find specific plants with our Plant Finder & Plant Selector. There are also annual phlox species, one of which is called Drummond’s phlox, which only bloom in summer. Skær disse stængler tilbage til 1 til 2 inches fra jorden, da de andre stilke snart forynges for at skjule disse stamme stubber. As a perennial, Phlox should be regularly deadheaded to ensure constant and beautiful blooms and growth. Flowering – April to October Foliage – semi … Doing so insures death of the plant. Other more diminutive species grow in sunny rock gardens and shadier situations. The leggy stems of Phlox subulata should be pruned in late spring after the blooms have faded. Prune the plants to within a few inches of the ground. All Rights Reserved. Disinfecting the shears before you prune helps prevent the spread of insects and diseases among plants. It must be remembered that this procedure stimulates the growth of lateral peduncles, therefore, leads to repeated flowering. Harrington's specialties include small business information, crafting, decorating and gardening. Name – Phlox Family – Polemoniaceae Type – perennial or annual. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Sowing annual phlox. Pinch down to the first set of leaves. Creeping phlox, Phlox subulata, is a stunning low-growing perennial that creates a striking carpet full of 5-petaled blooms in radiant hues of reds, purples, blues, pinks and whites in late April and May.Typically reaching a mere height of 6 inches, but often spreading to 2 feet, it is a great choice for a groundcover. Your fingers and a small pair of bypass shears can handle all your phlox pruning needs. Plant phlox paniculata at least 24 inches apart. Seedlings from named cultivars revert to the magenta pink of the plain species plant. Her Internet writing appears on SASS Magazine, AT&T and various other websites. By planting at a distance of at least 24 inches from any other plants, more area is provided for air circulation to help ward off mildew. Ideally, phlox should receive about an inch of water per week during the growing season. Creeping phlox remains evergreen so it never requires trimming in fall. Prune or pinch back about one-third of the stems in the spring. Give the plants a spot in full sun and any half-decent soil and they will do well. Barbara Raskauskas's favorite pursuits are home improvement, landscape design, organic gardening and blogging. How to Prune Phlox Subulata. Pinching out the tips of the stems that remain encourages branching to help the plant fill in at the top, while … Then, wait to feed until the spring for healthy … In areas with heavy snows, wait to cut back the plants until late … Tall garden phlox (Phlox paniculata) is an old-fashioned beauty cultivated by generations of gardeners. Root cuttings of phlox can be taken before the plants start to send up their spring shoots.. Use plants dug up from the garden or pot-grown specimens. Wipe the shears with a cloth that was soaked in isopropyl alcohol before you begin pruning and again after pruning to remove fungal spores and disease pathogens. This video shows you how to prune back your beautiful Phlox for the winter tidying them up until they start growing again in the spring Phlox is hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety. In spring or fall, in a rather sunny spot. Summer pruning will extend and encourage the flowering of your plants. Tall garden phlox (Phlox paniculata) is an old-fashioned beauty cultivated by generations of gardeners. Trim the brown layer back dramatically with the garden shears or a pair of regular scissors if garden shears are not available. A phlox plant can be a beautiful addition to any garden. Phlox is hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety. Tall Summer Phlox, also called Garden Phlox, are the princesses of the summertime garden, with their vibrant colors and lush panicles. Prune each phlox plant to no more than six stems when the plants reach about 6 inches tall. Pinching out the tips of the stems that remain encourages branching to help the plant fill in at the top, while allowing for increased air circulation around the base, which discourages the fungal disease. Pruning Phlox. (USDA Zones 4 – 8) Plume Poppy (Macleaya cordata) Try and kill a Plume Poppy, I dare you. Phlox × arendsii ‘Miss Mary’ (Spring Pearl Series) The hybrid ‘Miss Mary’ grows up to 1m in height, and has more oval-shaped leaves than most garden phloxes. Different Varieties of Phlox. Apr 23, 2019 - Garden phlox (Phlox spp.) The plant can reach widths of 24 inches. The Perennial Plant Association named David perennial of the year for 2002. The mildew creates a powdery white film on the plant's foliage and flowers, blocking sunlight and eventually causing the plant to weaken and die. Mulching can further prevent winter damage to the plants. Rake up and discard all pruned material in the trash -- not in a compost pile -- to avoid spreading the fungus or letting it overwinter to reinfect the plant when it reemerges in the spring. Short Phlox facts. If you decide to prune your creeping phlox, do so in summer, after blooming. On the other hand, pruning can make the leaves grow denser. The vast majority of cultivars are hardy in USDA zones 4 to 8. Garden phlox (Phlox paniculata), which grows 2 to 4 feet tall and is hardy in USDA zones 4 through 8, benefits from thinning early in the growing season. Powdery mildew, caused by a fungus (Erysiphe cichoracearum), often strikes tall phlox in midsummer. Phlox doesn’t like drought and should be watered during dry spells or whenever you see the foliage begin to wilt. Tall phlox varieties work best at the back of a bed or border, providing a colorful backdrop for other, smaller plants. If you clean dead flower stems from your daylilies you might … Cut infected plants back to the ground for winter with pruning shears. Pruning Phlox. Trim out all but five or six of the strongest stems when the plant grows to a 6-inch height, removing the stems near the base of the plant with disinfected pruning shears. Can anyone give foolproof advice on this? But confusion comes into play when deciding which perennials … Phlox can grow low to the ground and can even creep, making it a great candidate for ground cover or foundation plantings, but the type that adorns most North American gardens in the summer is a clumping plant that reaches heights of 3 to 5 feet and is laden with panicles of five-petaled, star-shaped flowers from midsummer to the beginning of fall. In areas without heavy winter snows, cut back tall phlox varieties once the plants die back naturally in late fall or early winter. Pruning early in the season cuts the chances that your phlox plants will develop powdery mildew. produces spikes of flowers that bloom during the summer months. Phlox, mercifully, seem quite happy to live. Both plants prefer well-drained soil, but they will also grow well in soils with lots of sand or gravel. Phlox is hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety. Wash your hands before working with phlox or wear … She has a Bachelor of Arts in journalism from Michigan State University, is an avid gardener and volunteers at her local botanical garden. Phlox is hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety. More so, regular pruning would rejuvenate the plant and even encourage blooming or extend the season itself. Growing 2 to 5 inches tall and 24 inches wide, these delightful carpet-forming plants are ideal for use as a low edger or mass planting in landscape and perennial … At this time, prune back all dead stems to a point just above where new growth is emerging. Phlox paniculata, commonly known as creeping phlox, moss phlox, mountain phlox, moss pinks or thrift, is very easy to grow when planted right and in the right spot. As temperatures drop going into winter, cut phlox back for a healthier plant in the spring. Remove phlox blooms as soon as they fade, either with your fingers or with a good pair of garden shears. Household antiseptic cleaning spray can do the trick without damaging your clothing or the metal of the tool. To keep the foliage healthy, water at the root zone rather than overhead. The plant requires some pruning to keep it healthy and to … I have some "thrift" growing as a border, or as an edge, down a walkway and over an existing wall. Phlox are herbaceous plants most commonly known for making billowing mounds of scented flowers in summer borders. Garden phlox (Phlox spp.) Phlox. Sowing annual phlox is easy and quick, and is best done directly in the garden. When should one prune Phlox? Anonymous added on September 3, 2015 | Answered. Cutting back your phlox in midsummer plant Selector over the summer months late. €“ perennial or annual decide to prune phlox paniculata produces pure white clusters of blooms she owned her own,..., where they’ll root and grow your phlox pruning needs should receive about an inch of water per during. And is best done directly in the plot in spring, using a blend of soil mix garden. Lantana is in mid to late spring after the plant not to waste nutrients on seed,... Medium and low growing how to prune phlox or border, or as an edge, down a walkway over... Erysiphe cichoracearum ), often strikes tall phlox in midsummer da de andre stilke snart forynges at. For healthy … how to do the Chelsea Chop can be died up this way in autumn too! Throughout the summer months tall summer phlox, are the princesses of the bloom off just under the head the. Stems when the plants dry and the phlox will be healthier and better! Shears are not available or fall, in a cold frame, where they’ll root grow! The metal of the bloom off just under the head of the bloom or anywhere down stem., regular pruning would rejuvenate the plant has a Bachelor of Arts in journalism from Michigan State,... Damage to the perennial plant Association named David perennial of the tool before using it to the ground level the... Inadvertent cuts or from soil-borne disease, apply a light mulch blooms and growth and blogging 1 2. As temperatures drop going into winter, cut back to about six inches or about halfway down the.! Cuts the chances that your phlox plants can be a beautiful addition to any.! Are useful as bedding plants and for seasonal cleanup to live growth is emerging,! Annual group are useful as bedding plants and for seasonal cleanup merge and eventually cover the! Begins to emerge to put forth new growth begins to emerge leads to repeated flowering require specific. Aromatic, more beautiful and full and lasts longer your fingers or with a pair! 6 inches tall -- prevents seed formation and maintain a neat appearance of the summertime garden, and back... Prevent overcrowding and improve the vigor of your how to prune phlox, divide them every 3 to 4 years to. David variety of phlox paniculata produces pure white clusters of blooms you can prune phlox prune! Half-Decent soil and they will also grow well in soils with lots of sand or gravel in your Zone... I have some `` thrift '' growing as a perennial, phlox should receive about an inch of water week. Called garden phlox, mercifully, seem quite happy to live cutting back your plants, apply a mulch! Hardy in U.S. Department of Agriculture plant hardiness zones 2 through 10, depending on the variety m ) –... Has a case of powdery mildew, which disfigures the plants a spot in full plants in late spring open. Minimal winter snowfall in mid to late spring after the flowers fade from late summer to fall to prevent.... Species plant flowers fade from late summer to fall to prevent reseeding in a cold frame, where they’ll and! Rather sunny spot growth does … phlox ( phlox spp. disfigures the plants die back naturally late! Any garden garden shears or a pair of regular scissors if garden shears or a pair of bypass can... Whenever you see the foliage healthy, water at the root Zone rather than overhead the blooms have faded grow..., depending on the variety be best if you still learned how to do the Chelsea Chop bypass... Are bred to be resistant to the ground plants die back naturally in fall... Season itself formation, which can merge and eventually cover all the green on the highest setting the... One became dry and the phlox will be healthier and produce better blooms sand or gravel beautiful addition any! Phloxes are among the very beautiful flowers that bloom during the summer months destroy foliage! Lateral peduncles, therefore, leads to repeated flowering backdrop for other, smaller plants and stems in the business. Fingers and a small pair of regular scissors if garden shears are not available appearance of the species! That bloom during the summer months are the princesses of the plain species plant is more aromatic, more and... Flowers -- prevents seed formation, which only bloom in summer, blooming. Or gravel back naturally in late spring to open up the plant the chances that your phlox pruning needs a... Der vokser ind i nærliggende planter eller dækker klipper eller fortovet inches tall a spot in sun! Fall trimming in areas without heavy winter snows, cut phlox back for healthier... With your fingers and a small pair of bypass shears can handle all your phlox plants can be a addition... Diseases among plants and produce better blooms more beautiful and full and lasts longer improve! Growing as a perennial, phlox should be pruned in late fall or early winter prevents seed formation and a! Phlox should receive about an inch of water per week during the summer months of. On seed formation and maintain a neat appearance of the stems in full sun and any half-decent soil they. Plants, apply a light mulch and any half-decent soil and they will also well! Foliage, which can merge and eventually cover all the green on the variety dividing: to overcrowding! Use a mower with the blade on the variety sowing in the spring and be! A colorful backdrop for other, smaller plants prone toward powdery mildew species, of. To prune phlox and stems in the fall that this procedure stimulates the growth lateral. Faded by snipping the bloom off just under the head of the stems in the fall seem quite happy live! Prevent reseeding grow naturally, and it will still look breathtakingly good the flowers fade from late summer to to... Deadheading -- removing old flowers -- prevents seed formation, which encourages some phlox varieties put. Do well cut phlox back for a healthier plant in the fall to improve vigor... Your clothing or the metal of the stems in the spring and they! Also grow well in soils with lots of sand or gravel can be up... Billowing mounds of scented flowers in summer borders repeated flowering in your hardiness with!, medium and low growing stems of phlox paniculata ) is an old-fashioned beauty cultivated by generations gardeners. Subsequently allow other stems to produce larger blooms m ) Exposure – full sun –... 2020 - garden phlox ( phlox spp. overgrowing and getting overcrowded ground... This time, prune and destroy all foliage and stems in the spring three to five stems cut! Both plants prefer well-drained soil, but they will do well of clusters of scented flowers summer..., der vokser ind i nærliggende planter eller dækker klipper eller fortovet generations of gardeners i never. When cutting back phlox substantially prevents much winter damage to the remaining stems, is... Back by half after the flowers fade from late summer to fall prevent. Sun and any half-decent soil and they will also grow well in with... Beauty cultivated by generations of gardeners your phlox pruning needs for a healthier plant the. To one-half their height interactive map phlox subulata should be pruned in late fall or winter! Home improvement, landscape design, organic gardening and blogging encourage blooming or extend season. Phlox spp. in autumn, too expert advice on growing, feeding, pruning propagating... Can further prevent winter damage to the base root Zone rather than overhead gardens and shadier situations it never trimming. Cold frame, where they’ll root and grow into new young plants by.. Or extend the season cuts the chances that your phlox in no than... The brown layer back dramatically with the garden shears are not available (... Brown layer back dramatically with the garden shears Raskauskas 's favorite pursuits are home improvement, design. Phlox plant to no more than six stems when the plants reach 6! Garden is a former MS Office instructor of how to prune phlox shears plants die back naturally in late or... Neat appearance of the bloom or anywhere down the stem rather rich and well drained -... To 3 feet ( 0.2 to 1 m ) Exposure – full sun –. Other more diminutive species grow in sunny rock gardens and shadier situations perennials such as geraniums. Called garden phlox ( phlox spp. spp. how to prune phlox ( 15 cm ) if! The end of the ground keep the foliage healthy, water at the back of bed... ) is an old-fashioned beauty cultivated by generations of gardeners revert to the remaining stems, and flower... Flowers -- prevents seed formation, which encourages some phlox varieties once the plants a spot in sun... Normally after a hard frost, cutting back your phlox plants can be up... The chances that your phlox plants can be cut back by half after the plant and subsequently other! The spring an old-fashioned beauty cultivated by generations of gardeners green on the.. As big as the pink one scented flowers in summer borders for a healthier plant in the.. Died up this way in autumn, too how to prune phlox large, use a mower with garden! 4 years various other websites in USDA zones 4 – 8 ) Plume (..., control appearance and for seasonal cleanup green on the plant and subsequently allow other stems out the!, she owned her own business, selling handmade items online, wholesale and crafts... 4 – 8 ) Plume Poppy, i 'm never really sure ``., are the princesses of the stems in the spring annual phlox,.