After the first week when you'll want to water frequently, ensure mums get an inch of water per week. When the new stems reach 4 to 6 inches of new growth, snip them back, advises the St. Louis Dispatch. This will prevent them from getting lanky and flopping over. If the mum was bothered by fungi or pests at all during the growing season you should cut the plant back immediately after flowering to avoid overwintering any pathogens on the plant. Either throw away after they bloom or take the plants out of the containers and put the plants in the compost pile when they are past their prime. When blooming has finished for the year, you will want to cut the plant all the way back… Add a layer of mulch on top of dead foliage for the winter and then remove it in early spring. The cutting back helps to make the plants more sturdy to hold the blooms in the fall rather than have the blooms pull down the long and spindly stems. If your mum plant is an early cultivator then you should stop around mid-June, and if it is a late cultivator like a “Minnyellow” or a “Minngopher” mum, you can get away stopping pinching around early August. Otherwise, treat decorative potted mums as annuals. After the foliage of the plant has died back, you will need to cut it back. Otherwise, leave a mulch layer no more than a few inches thick around the mums and leave about a 6-inch mulch-free zone around the base of each plant. Occasional supplemental irrigation following blooming is generally only necessary if the plants are grown in an area protected from rainfall or during periods of extended dry weather, so that the soil around the mums does not dry out completely. Also pinch back the leaves until July 4th. You will be rewarded in fall! However, no harm is done. The next step in winter care for mums is to properly insulate them in the fall. After they finish flowering, garden mums should be cut back far enough to remove all of the faded flowers (about one-quarter their height). Keep them trimmed low until around the end of June. How To Care For Mums After The Fall Bloom. This will give them all summer long to get established. … 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. Hardy mums, which are those that can survive a winter, should be cut back in the spring as new growth emerges. I've even trimmed back fully budded-up hardy mums from the nursery when planting in August (to delay blooming), and they *still* bloomed. A few easy practices will show you how to keep chrysanthemums blooming year after year. They can be cut back, now. The best time to prune hardy mums is in spring, to help encourage new growth. But wait a bit later, say until after frost, and the tops die back, to cut back the entire plant to the ground and apply a couple inches of mulch. CEO Compensation and America's Growing Economic Divide. The best time to plant mums in your garden is in the spring after the last frost. Pinching plants like mums and asters will also move their bloom time back a few weeks, giving you flowers in late September (when the rest of your garden is dying down) rather than in late summer. Leave it in place over the winter to provide a little extra protection for the roots. Of course, you can always grow mums as annuals. Keep mums outdoors until the foliage and flowers die back after the first frost. As mentioned above, removing wilted blooms and dead stems or leaves helps your mums bloom for an extended time. Cut it back in spring. After mums bloom, how should they be trimmed? If they have a good 4 to 6 weeks before the first frost, the roots have most likely set. You can cut the plants back by as much as half. And in the end, results in a thicker, bushier plant with more shoots for blooms. They have a wide range of bloom color, size and petal formation, but they also have different bloom times. If you don't keep them trimmed, it is too late even in June. You are correct in your terminology. You can cut the plants back by as much as half. After fall bloom is completed, allow the buds and foliage to die naturally. When to Really Plant Mums. For potted mums, cut off the flowers after they wilt, to encourage further blooming. The ones with a more minimal cut will bloom earlier than the ones with a more severed pruning. above the ground. Mums should have their dead foliage and stems cut to the ground after being killed by frost. The procedure is called 'cutting back'. The best method is to put the nozzle of your hose or watering can under the blooms. Deadheading brown blossoms and cutting back damaged plants will help keep mums looking their best and blooming profusely. Deadhead. You don’t want them to bloom early and you want to prevent a substandard fall bloom. Many fall-blooming perennial flowers are pinched early in the season to prevent the plants from becoming tall and floppy and to induce more flower buds. Optionally, mums can also be cut back spring through midsummer to encourage fuller blooming and a better shape. The leaves of the plant will die back and become brown after a few hard frosts have hit your area. From spring until the beginning of July, mums can be cut back 2 to 3 inches once they reach 6 to 8 inches tall. While these plants have been traced way back to the 15th century, they’ve continued to grow in popularity over the years with over 20,000 cultivars in … Mums will generally lose their top growth after a hard frost and go dormant for the winter. As with fall planted mums, don't cut them back until spring and provide some extra winter mulch, to prevent heaving. Give your newly de-budded mums a little extra water for a week or so, and then continue with your normal watering schedule. You can cut or pinch. Mums have moderate maintenance requirements and benefit from some amount of care throughout much of the year, including after they finish blooming. After this happens, cut the top growth back and cover all the plants with a thick layer of mulch.The following spring, after the threat of frost has passed, pull the mulch back off the plants. Do be sure to look for and avoid any new growth that may be emerging, although it is a little early for that. Cutting Back And Pinching Blooms Ideally, mums should be cut back and pruned starting in early to mid-June. NOTE:If you're reading this article and it's already June or early July and you have done no pruning, and your mums are tall and leggy, you can simply cut the plants about one-third to half way back. After the foliage of the plant has died back, you will need to cut it back. That being said, northern gardeners can leave the dead stems there to help protect the roots from severe cold weather during winter. The optimal time to stop pinching for most mums is in mid July so that the plant has time to blossom and grow before blooming season. Do be sure to look for and avoid any new growth that may be emerging, although it is a little early for that. Mums can be cut back in early summer to avoid early blooming such as this. Spring planted mums should over-winter reliably in USDA Zones 5 and above, maybe even Zone 4. If you want your mums to bloom in the fall, you should start cutting them back early. Excessive mulch combined with wet winter weather can trap moisture against plant stems or crowns, leaving them vulnerable to rot. However, no harm is done. Deadhead mums in late spring to mid summer. After deadheading, put spent blooms into your compost bin or dispose of them. Cut at the base of such stems, as shown in the photo above. Many gardeners will cut mums back, then mulch heavily for winter, but if the weather turns wet, those plants may rot, especially if the site lacks good drainage. Leaving a little bit of the stems will ensure that next year you have a full plant, as the new stems will grow from these trimmed stems. This keeps the plant more compact and full of foliage. ... You can purchase blooming mums at any time of the year. The best time to deadhead or prune mums you are growing outside is during the late spring up to mid summer. The following spring, as soon as soil warms and the threat of a hard freeze is over, it is safe to plant in the landscape. DO NOT cut them back after they bloom in the fall. The dead limbs help to protect the plant in the winter. When mums are directly planted in the soil in early fall, they can be kept in the soil for winter. If you wish to divide the mums to create multiple new plants or rejuvenate an old mum by removing and discarding the plant's center, dig up and divide the plant in late winter or early spring just as new growth emerges. I made that mistake one fall and lost a couple. You are correct in your terminology. Cut all of the plant's stems back to 6 to 8 inches above ground level either shortly after the mum has finished blooming or in late winter just as new growth emerges. University of Missouri Integrated Pest Management, University of Missouri Integrated Pest Management: Cleaning and Disinfecting Pruning Tools for Orchard Crops, University of California Statewide Integrated Pest Management Program: Chrysanthemum, Clemson University Cooperative Extension Service: Chrysanthemum, North Carolina State Extension: Chrysanthemum x Morifolium, How to Care for Fall Mum Plants in Containers. Cut all of the plant's stems back to 6 to 8 inches above ground level either shortly after the mum has finished blooming or in late winter just as new growth emerges. Many gardeners will cut mums back, then mulch heavily for winter, but if the weather turns wet, those plants may rot, especially if the site lacks good drainage. © Copyright 2020 Hearst Communications, Inc. Pulling old blooms off by hand is not recommended because it leaves the entire stem looking out of place, and it could also damage the stem. If the winter stays very mild, some mums will … Do not resume fertilizing and regular irrigation until spring when new growth emerges. Some gardeners choose to prune in the fall, but pruning in spring increases the chance of winter survival. The institute of higher learning reports that alcohol, chlorine bleach, trisodium phosphate (TSP), and pine oil all work for this purpose. After temperatures remain above freezing, use sharp pruners to cut off last year’s stems at soil level. The procedure is called 'cutting back'. After this happens, cut the top growth back and cover all the plants with a thick layer of mulch.The following spring, after the threat of frost has passed, pull the mulch back off the plants. Mums will generally lose their top growth after a hard frost and go dormant for the winter. The quickest way to bloom failure for mums is a lack of water. This is right before blooming season, so the flowers have time to branch off from the cut stems. Established plants shouldn't be fed after July, so new growth isn't injured by frost. I would cut (with hand pruners), since it's faster, and … In closing, just a few more tips for keeping your mums looking great. In late fall, after your mums have bloomed, do not cut back their dried foliage. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today? 33 Related Question Answers Found ... Cut back the dead foliage to the surface of the soil and bury the pot up to the edge. If you prune in fall, the new stems that grow probably won't be strong enough to survive the winter. Heavy water on the blooms can both damage the blooms and shorten their bloom cycle. Optionally, mums can also be cut back spring through midsummer to encourage fuller blooming and a better shape. Mums perform best in fertile, well-drained soil. You can prune mums now and up to the end of July. This should help to create a more dense plant that will bloom in fall. After they finish flowering, garden mums should be cut back far enough to remove all of the faded flowers (about one-quarter their height). It's always best to cut mums back every spring shortly after they first begin to grow. Remove and replace the mulch if the mums experienced disease or pest problems during the growing season. For these mums, do not cut back the foliage until spring, as it will help provide protection for the first winter. Cut back the stems of the mums to 3 to 4 inches (8 to 10 cm.) If you cut back now, yes they will still bloom in the fall. Mums (Chrysanthemum x morifolium, formerly classified as Dendranthema x grandiflorum) are herbaceous perennials cultivated across U.S. Department of Agriculture plant hardiness zones 5 through 9, although the growing range varies between cultivars and many mums are treated as annuals even in warm areas. Note: Before using pruning shears or trimmers, the University of Missouri Integrated Pest Management says you'll need to properly sanitize them to prevent the spread of disease from one plant to another. Optionally, mums can also be cut back spring through midsummer to encourage fuller blooming and a better shape. After they finish flowering, garden mums should be cut back far enough to remove all of the faded flowers (about one-quarter their height). These plants are enjoyed for the plentiful, bright blooms they produce in fall as hours of daylight decrease. Dispose of all portions of the mum you trim off away from the remaining mum plant and other desirable vegetation to prevent the spread of disease. Before winter, cover plants with several inches of mulch or straw. A COVID-19 Prophecy: Did Nostradamus Have a Prediction About This Apocalyptic Year? cut it back either in fall or early spring. NOAA Hurricane Forecast Maps Are Often Misinterpreted — Here's How to Read Them. Its chrysanthemum season, time to enjoy the autumn colors of yellow, orange, and red flowers. Mums should have their dead foliage and stems cut to the ground after being killed by frost. Pinching back any later than mid-July can reduce the number of flower buds. above the ground. Todd Brethauer, president of the Old Dominion Chrysanthemum Society, says to cut back the mums in the garden to 4 inches and cover with 4 inches of mulch, such as pine boughs or straw.It is okay if the plant is in darkness, it will be dormant during the … Cease any fertilizer applications and cut back on or completely stop watering. They can be cut back, now. Some gardeners choose to prune in the fall, but pruning in spring increases the chance of winter survival. You can prune mums now and up to the end of July. You may opt to leave the stems intact until spring growth develops if you find the dead stems of winter interest or valuable to wildlife. I live in Roanoke, VA and I have Orange mums in my yard that began as one from my grandkids and have now become eight different plants. If you’re in Buffalo or the Northtowns, it should be easier for you to get these plants through the winter. Almost as important as giving them a spring trim, mums benefit from being cut back to about half their height (go ahead, use hedge shears) around the Fourth of July. To care for your garden mums, after the plant is done flowering, cut back the plant. But what to do after Jack Frost visits? Some gardeners choose to prune in the fall, but pruning in spring increases the chance of winter survival. yes now is a good time to cut the mums back, you can leave about 12 inches more or less up from the ground and they will grow back in plenty of time for the fall blooms. After fall bloom is completed, allow the buds and foliage to die naturally. When blooms become saturated with water, they can weaken and fade at a faster rate. In the spring, once new growth is seen, cut back dead foliage to 3 to 4 inches above ground. After fall bloom is completed, allow the buds and foliage to die naturally. In late fall, after your mums have bloomed, do not cut back their dried foliage. Cut or pinch off individual flowers back to a larger stem as soon as each flower has finished blooming to maintain a somewhat neater appearance, if desired. You should encourage fuller plant growth by pinching back new growth in spring, readying the mums for the fall blooms. If the mums produce spring blooms, pinch them back before late summer to encourage fall flowering. After your mums have finished blooming in the fall, and the foliage has gone completely dormant, you can cut the dead stems back to just above the ground. Cut back the stems of the mums to 3 to 4 inches (8 to 10 cm.) If you have several plants and you want to stagger the bloom times in the fall, you could cut some back by half and on others, cut just a few inches. In colder climates your mums may need to … Monica Milla, the Garden Faerie, is a master gardener volunteer, instructor, speaker, garden coach, and author of "Fun with Winter Seed Sowing." There are over 5,000 varieties of mums in cultivation. Pull excessive mulch back from around the base of the mums. If you have several plants and you want to stagger the bloom times in the fall, you could cut some back by half and on others, cut just a few inches. The ones with a more minimal cut will bloom earlier than the ones with a more severed pruning. In most regions, mums will survive outside as perennials and bloom annually. (Some people use July 4 to make it easy to remember.) Heavy rain damage, frost, insufficient water, and the natural flowering cycle can all turn mum blooms brown. Clemson Cooperative Extension points out that mums are susceptible to powdery mildew, leaf spots, and Botrytis blight. And shorten their bloom cycle remember., maybe even Zone 4 to in. 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