When the outdoor temperature rises to match the temperature of your basement or garage (wherever you’re storing your ferns), you can safely bring them outside again. dropped. Apply the mulch in late fall, typically late November in central Iowa. Luckily for gardeners in mild-winter regions (the warmer parts of Zone 8 and south), container-grown plants require little or no winterizing beyond moving This requires enough garden space to dig a 14- to 16-inch-deep trench, in which the plant—pot and all—can be laid down on its side and lightly re-covered with soil. Comments are moderated and will be posted after BBG staff review. Compared with their garden-grown counterparts, container-grown plants are at a severe disadvantage when cold weather arrives. Heavy mulching can keep the roots from freezing and thawing again during the winter. Tags: areas that receive, continue to grow, garden mums, ground begins to freeze, growing season, hardy mums, inches long, mum plants, organic fertilizers, plants indoors, potted mum, potted plants, potting soil, survive the winter, winter months. Advance tickets are required. I’ll walk you through the options and provide winter care tips. Caring for outdoor mums. Geraniums root readily from cuttings. Heavy mulching can keep the roots from freezing and thawing again during the winter. Once I move in the spring I’m going to put it in the ground. They’ll need some time to re-acclimate to the sunlight, so start by placing them in a partly-sunny spot for a few hours, and increase their sun exposure over time. How To Save Mums! How to Overwinter Geraniums Before the first frost (find frost dates for your region here), cut plants back to about 6 to 8 inches. Plants kept in cool indoor locations tend to break Regular watering hasn’t led to any new growth. Learn how to protect your plants throughout the winter, no matter how harsh the weather might be. Simple Secrets To Overwinter Your Hardy … Leave the foliage in place. In the spring, when it’s about a week out from the last expected frost, take your potted mums outside to where you’ll want to keep them in the spring through fall. wrap (to protect both delicate containers and root systems), and then Mums are one of the most popular flowers you’ll see this time of year. In areas that receive slightly warmer weather, including New York, overwintering mums can be done outdoors as well. Store the mums in a cool, dark area. (Wrap pots containing shredded bark, or leaves as you would other plants. like coleus, impatiens, and geraniums to overwinter indoors. Young trees and evergreen woodies, like boxwoods, which are susceptible to vulnerable to desiccating winter winds, should be watered well until the first A second option is to overwinter the entire plant. In areas that receive slightly warmer weather, including New York, overwintering mums can be done outdoors as well. Plants that are growing in the ground can handle air temperatures below 20°F because the roots are insulated by the surrounding earth. vulnerable to frost, but do continue watering regularly through fall. Mum Hardiness Tests. Many experts suggest that to better the odds of a plant's survival, choose one marked as hardy in two zones colder than your area. In open, windy areas, creating a burlap screen or windbreak provides If this is not possible, Don’t forget to water your mums during their indoor overwintering. Cut a 4 to 6 inch portion of a green stem just above a node (the part of a stem from which … Your email address is required; it will not be displayed, but may be needed to confirm your comments. Just be sure to cut off the dead stems and bury them in mulch shortly after the first frost. With a little work, your hardy mums can survive the winter! Potted mums won’t survive outdoors in most areas when the weather gets cold. Leaving pots outdoors, even when labeled as a “hardy mum” is a recipe for disaster. garden that you can dig up, and sink the pots into the ground so their roots There are several ways to overwinter geraniums (Pelargoniums) from your garden. Prep for Winter Before freezing weather occurs, give the mums you hope to overwinter a high phosphorus fertilizer to stimulate root growth. Many gardeners purchase mums to replace fading annuals in their garden in late summer. After a few hard frosts, the leaves on your plant will turn brown and die, now is the time to cut back, to … What did I do wrong? Sturdy plastic and fiberglass pots are ideal for leaving outdoors, although some plastic pots may crack if the soil inside expands as it freezes. To take a cutting, remove a 3- to 4-inch section of the plant's stem tip with a sharp knife. Leave these plants outdoors and protect them using some of the dormancy earlier in the season than their outdoor counterparts; however, they What garden centers sell in the autumn are called hardy mums, meaning that they will overwinter as perennials. Bring the mums indoors once the outdoor temperature drops below 60 degrees F. Place the mums in a sunny window. Remove mums from your plot when the frost starts having its affect, and they begin to look shaggy. Woody plants that must remain outdoors have a few special requirements. Gardeners can increase the odds of their mums surviving the winter by applying a mulch in fall. environment: As days shorten and temperatures drop, many temperate plants enter thawing that can cause heaving (plants are literally heaved out of the soil as additional protection, particularly for woody plants and shrubby perennials. it expands and contracts). Though hardy plants have developed foliage, stems, and branches that can withstand very low temperatures, their roots are far more sensitive and vulnerable to freezing. passed. For example, if you garden in Zone 7, choose perennials, trees, and shrubs marked hardy to Zone 5 to increase the chance that the plants will survive the winter. This mulch can be straw, leaves, or even grass clippings. If placing the plant outdoors, cover it with 6-10 inches of mulch or 12- 18 inches of leaves. See more ideas about hardy mums, hardy, mum. Hundreds, if not thousands, of different garden mums have been bred. You could also grow mums in raised beds filled with a garden soil mix that drains well. pots to more sheltered locations and perhaps covering them with frost blankets when freezing temperatures are expected. Learn more. Your support helps Brooklyn Botanic Garden inspire curiosity and a love of nature in people of all ages. to provide insulation. The next step in winter care for mums is to properly insulate them in the fall. sunscald, will especially benefit from a burlap screen. If you must leave terra-cotta pots outdoors, choose ones made of special clay that tolerates freezes (like Impruneta, for example). If you have empty concrete, cement, or clay containers that are too large to move, clean them as Taking cuttings from outdoor plants. Evergreens, especially broad-leaved evergreens, which are particularly I don’t know if I should bring it in for the winter or leave it out n insulate around it. It's wise to plant your mums about 18 inches from other plants so their roots have room to expand. When convenient, cluster planters in a more sheltered location, such as they will drop their leaves and go dormant. Mums thrive in well-drained soil. When planting in containers, even choosing plants hardy in your region is no guarantee that they will survive the winter. extreme cold and wind, but are also vulnerable to cycles of freezing and In all but the mild-winter regions, potted plants grown on terraces and rooftops, where they will be exposed to chilling winds, should be moved to a They continue to grow well after most other plants have slipped into dormancy and bring much-needed color to your yard. The original species are often unclear, but horticulturalists generally categorize garden mums by flower shape: Step 5 Water the mums when the top of the soil begins to feel dry. Many plants prepare themselves for winter by taking cues from the In colder regions, where freezing temperatures are the norm at the height of winter, gardeners must protect plants from both the cold and the wind using a If the container is large and able to withstand the elements, and if the plant is at least one zone hardier than your area (i.e., if you live in Zone 5, herbaceous perennials in containers need to be hardy to Zone 4 or lower), the likelihood of successfully overwintering the plant in its pot outdoors is high. heavily mulching container-grown plants with straw, leaves, hay, or shredded Overwintering pepper plants can be a little tricky, but if you own a specialty pepper, especially chili peppers, keeping peppers over the winter is a great way to get a jump start on the season next year and increase the length of the production period of your pepper plant. they are to flower and fruit the following season, and cannot be moved into the Cut hardy perennials that will With the warmer winters we have been having this is more and more likely to occur. For potted plants this means cutting off the brown foliage and stems about 3–4 inches long above the soil, wrapping the pot, and bringing it inside to an unheated garage or shed. There is one downside of bringing potted autumn mums back to life, and that is simply the amount of garden real estate they require throughout the spring and summer months. Show larger version of the image Container Garden, Technical Assistance for Community Compost Sites, Hellebores: Flowers from Winter into Spring, How to Wrap a Fig Tree to Protect It for the Winter, DIY Kokedama: Japanese-Style Houseplant Display With Moss Balls. Evergreen boughs, chopped leaves, salt hay or pine … Mums prefer full sun and well-drained soil.” tall cage of chicken wire around the planter, and fill this with leaves or hay The plant's branches and stems are covered with loose mulch and held in place with burlap for the season. techniques described in the next section. It's not the cold temps, but usually ice on the roots that kills your mums. A very important part of winterizing your mums begins when you plant them. The best way to protect is to bring plants indoors before the first hard freeze. winter, stop fertilizing them by midsummer to reduce tender new growth that is 1-2 inches of water 3 times a month is usually enough, but don’t let the soil get dry. about once a month or when soil becomes very dry; do not allow the soil to Evergreen woody plants, particularly vulnerable to desiccating winds, Before the first can be sprayed with an antidesiccant, also known as antitranspirant, and may Some gardeners take the extra If the soil doesn't drain well, add compost and mix it in to a depth of 8-12 inches for best performance. If you’re the kind of person that doesn’t like to throw away your plants once the winter months arrive you may be wondering how you can help your mums survive the winter. When possible, group pots together, placing the most cold-sensitive plants at the center of the group, so they receive additional protection from the hardier plants. Plant mums about 1 inch deeper than they were in the nursery pot, being careful with the roots as you spread them. will be insulated by the surrounding soil; then mulch heavily with straw, Move half-hardy perennials to a cool garage or basement, where mulching. Chrysanthemums that are purchased in the fall need special protection for their first winter. I currently live on the New Jersey shore. Your mums can even stay in the ground, provided that you give them enough mulch. Red Barn Farm's Mary J shows you how to winter over your potted mums. But plants that are growing in containers don’t have this protection. There are two basic reasons for this: Planting too late and not allowing the plant to establish itself in the ground. them with an old window, heavy-duty clear plastic, or a plexiglass lid.). Wooden containers made of durable hardwoods are also suitable and will age gracefully over time. When planting your mums, also consider planting them in a somewhat sheltered location where they will not be exposed to winter winds that can decrease their chances of surviving the winter. breaking in winter, loosely tie branches together after the leaves have the first phase of dormancy by slowing growth. Can lungwort plants survive in pots over the winter? Fortunate are gardeners in mild-winter regions, where container gardening is a year-round pleasure without the threat of shattered pots and frozen plants familiar to many of us. Leave mums outdoors in areas with warm winters. If placing the plant outdoors, cover it with 6-10 inches of mulch or 12- 18 inches of leaves. The first step for winterizing the container garden is to clean and tuck away any empty pots. become completely dry. Can I plant or keep my mums in containers over winter. Transfer small containers into a cold frame packed with sand or straw. Well draining soil is essential to successfully overwintering mums. Put the trimmed plants in the smallest pots possible—containers just large enough to fit the roots. This area should stay between 32 and 50 degrees Fahrenheit so that the plant can stay dormant. To increase the chances of wintering your mums, cut the plants back after flowering to within 4" of the ground. Please keep your comments relevant to this article. evergreen plants in plastic after the first hard frost.) create a temporary cold frame, arrange bales of hay to form four walls and top This mulch can be straw, leaves, or even grass clippings. prevent the branches of deciduous trees and shrubs from whipping around and sheltered location, such as close to a building or near a pergola or other structure, away from high winds and winter sun. To help prepare your plants for frost, move pots of annuals, tender perennials, and tropicals indoors into a Asked October 29, 2014, 4:31 PM EDT. In regions with freezing winter Can I bring a squash indoors so it survives until next spring. Water, but not too much. bright window. University of Minnesota | zones 3-4 | “Showy perennials that flower from August until frost, these U of M mums are uniquely developed to withstand USDA Zone 3 and 4 growing conditions and will usually overwinter when covered with a protective mulch in late fall. I took it in last winter n this time it’s quite big and hasn’t lost its leaves at all yet. Rosemary Plant Care: Temperature need to be protected against harsh winter sun with burlap screens. unheated garage or basement that remains about 30 to 40° F. (Although the Thanks I live in zone 6 b. Mums are hardy perennials. Overwintering Potted Plants By Shila Patel | September 1, 2001 Fortunate are gardeners in mild-winter regions, where container gardening is a year-round pleasure without the threat of shattered pots and frozen plants familiar to many of us. I’ve got a Niagra elderberry plant in a pot, it’s cold but hasn’t snowed yet. This is also a great way to multiply the number of plants for next year's garden. Overwintering Fall Mums. Outdoors in the ground The first step to successfully overwintering garden mums is to plant them in the ground early. Regardless of which method you use, at the first signs of growth in spring, remove the heavy dressings from every planting and—if you protected them properly—you'll find them rejuvenated by their winter slumber. Store clay and terra-cotta pots upside down or on their sides in a dry place. I brought it home and it spent the summer outdoors, enjoying the bright sunshine, heat, and rainfall. Storing dormant plants is one of the oldest and most time-honored practices of overwintering geraniums, and it’s fairly simply to do. precaution of wrapping the sides of the container with several layers of bubble On uncovering after final frost, it seems the planters didn’t hold moisture through the winter���soil was very dry. Then lift the plants and cut back the roots. OVERWINTER FALL MUMS Many people have a difficult time overwintering fall mums. The three most important things to consider when overwintering your rosemary are light, temperature, and water. plants will be dormant, they will benefit from some light). If your mum plants are in the ground you can move them to a pot before the ground begins to freeze or heavily mulch the ground around them. hard frost. Because they are made of porous clays, most terra-cotta pots are not suitable for leaving outside in freezing temperatures, which can cause them to crack or shatter. An overwintered mum behaves more like a regular garden perennial whose flowers open bit by bit, than a specimen that’s been forced into full bloom. Other essentials in caring for mums planted outdoors include: Give mums plenty of space. remain outdoors back to four to five inches above the soil line once their Alternatively, create a After good growth through summer and early fall, I watered once more before frost and then placed the containers in cardboard boxes, covered with thick layer of bark mulch, covered with burlap, placed containers on several layers of bubble wrap, and then created a cardboard enclosure to cover both planters, to provide additional protection from cold and wind as well as squirrels. Remaining frozen during the winter is less damaging to your plant than freezing and thawing over and over. Along with pansies and asters, mums are the heroes of the fall planting season. much as possible and cover them with lids or plastic sheeting to prevent water from collecting inside, freezing, and cracking the pots. Then, once the first hard frost hits, move your plants inside or into an unheated garage. Keep reading to learn how to keep peppers over winter. (To You can put it back outdoors after all danger of frost has passed, but bring it back inside before the first frost of the fall. Last year I planted two planter boxes with four well-established trumpet vines in one and three rooted “winter-hardy” jasmine branches in the other. burlap to the stakes, forming a fence around the plant. Add a covering of mulch (3"to 6") to the entire bed after the ground is frozen. When left outdoors, perennials, trees, and shrubs are not only subject to range of techniques. temperatures, move them before the first hard frost to a location such an Can you tell me what I should do, please? The most extreme method, and one that is recommended for half-hardy plants like fuchsias and figs grown outside of their hardiness ranges, is trenching. wrap to prevent them from absorbing additional moisture once the plants go dormant and their water requirements are minimal. Many perennials, trees, and shrubs must have a dormancy or chill period if Hardy mums are carried at almost every box store and farm stand and even supermarkets. under an eave, next to your house, or near a south-facing wall, and then mulch. To protect planted terra-cotta and glazed containers left outdoors, wrap the sides of the pots with layers of bubble wrap or burlap covered with plastic Shake them off outdoors to get rid of any excess dirt. Shila Patel is the garden editor at marthastewart.com and the former managing editor of National Gardening magazine. To You’ll start by digging up the geraniums in your yard, roots and all. Be sure to plant your mums in well-draining soil; organic soil or compost will produce vigorous, healthy mums. Cut Stem. Glazed pots, which are usually fired at higher temperatures, tend to withstand freezing better than terra-cotta. Now it is back inside for the winter. pound several stakes around the plant's perimeter, and staple three-foot-wide Much like indoor mums, planting outdoors or in the garden requires abundant sunlight.