When is the Best Time to Plant Fall Mums?

Chrysanthemums, or mums, are one of the vital widespread flowering crops for the autumn backyard. Mums are available, stunning, and hardy and supply long-lasting, late-season colour to your property and backyard. Nice for novices, rising mums is each straightforward and rewarding!

Many colorways stand out, together with white, yellow, orange, brown, pink, and purple. Tons of of cultivars exist with numerous mixtures of flower colours, sizes, and flower varieties. Their long-lasting, showy flowers are a spotlight in lots of fall gardens and autumn-themed shows. 

Many gardeners develop mums as annuals and discard them after the primary frost. You may maximize your enjoyment of those crops by retaining your mums by the winter and permitting them to return the next yr and a few years after for repeat blooms.

Preserve studying as we dig deeper into the right way to plant and develop these spectacular fall flowers.

The Brief Reply

The very best time to plant fall mums is within the fall, not less than six weeks earlier than your common first frost. Relying in your location, try to be planting wherever from late August by mid-October. Planting effectively earlier than the primary frost will permit your crops to develop some wholesome roots and begin establishing within the location the place they are going to spend the winter. You can even plant mums within the spring and keep them in your backyard all through the summer season so they are going to be absolutely blooming by fall.

The Lengthy Reply


Perceive your frost dates and plant hardy mums at recommended instances to your zone.

To know when to plant fall mums, know your frost dates. Hardy mums are perennials in USDA hardiness zones 5 by 9.

In a lot of zone 5, the typical first frost date is in mid-October, and in parts of zone 9, it’s late November by mid-December. Everybody’s first frost date is exclusive to their specific area, however to provide a common thought, you need to use the next recommended planting instances.

Should you stay in…   Your common first frost date is… Plant your mums by….
Zone 5 October 13-21 Early September
Zone 6 October 17-31 Early to mid-September
Zone 7 October 29-November 15 Mid to late September
Zone 8 November 7-28 Late September to mid-October
Zone 9 November 25-December 13 Mid to late October 

Give your mums not less than six weeks to regulate to their new location earlier than the primary frost. Mums turn into extensively out there within the fall. Should you purchase your crops late within the season, it might not be too late to plant them.

To develop them in a container apart from the one they got here in, transplant them right into a container, raised mattress, or backyard plot as quickly as attainable. There’s nonetheless likelihood they’ll survive the winter, particularly in milder local weather zones.

If you are going to buy mums within the spring, you’ll be able to transplant them instantly. This is a superb season for establishing perennial flowers in your backyard. Summer season transplants could also be more difficult due to the extreme warmth and daylight that creates pointless stress to your crops.

Varieties of Mums

Close-up of blooming chrysanthemums in a sunny garden. The plant forms upright stems with lush green foliage. The leaves are oval, lobed, smooth. the flowers are medium, double, pompon-shaped, consist of bright pink oval petals.
Mums, originating from Asia, are versatile backyard crops with quite a few species and cultivars.

Mums are fast-growing, clump-forming crops which can be members of the aster household. They originated in Asia and have turn into widespread and very widespread backyard crops. Over 20 species of Chrysanthemum and a whole lot of various cultivars can be found for the adventurous gardener. These are mostly bought within the autumn months close to their peak bloom season. 

Some mums will keep very small and compact, by no means rising greater than 12 inches tall. Others will develop as much as 3 or 4 ft tall or might have extra sprawling tendencies. Most backyard mums you encounter will likely be winter hardy and may be grown as perennials in zones 5 by 9

They are going to bloom wherever from mid-summer by the primary frost, relying on the variability and the way you handle them.

One good factor about mums is that they don’t develop aggressively or take over your flower backyard. Some hardy chrysanthemum varieties will slowly unfold over time, however the most well-liked backyard mums bought within the autumn will keep fairly compact.

Mum cultivars are sometimes recognized by their colours and flower sort, resembling spider, pompon, quill, anemone, or single blooms. The completely different species of chrysanthemum have completely different locations of origin, however most crops out there to customers are cultivars.

Rising Situations


Close-up of blooming chrysanthemums in a garden under full sun. Chrysanthemum leaves are alternate, that is, they grow along the stem in an alternating pattern. The leaves are small, oval, lobed, dark green. Terry chrysanthemum flowers consist of many rows of pink petals. They have a simple and elegant appearance.
Mums want 6 to eight hours of direct daylight day by day for optimum efficiency.

Mums will carry out finest in full solar, with not less than 6 to eight hours of direct daylight per day. They are going to tolerate partial shade however received’t keep as compact or bloom in addition to these grown in full solar.


Close-up of a yellow-gloved gardener's hand spreading soil with a shovel over a freshly planted chrysanthemum plant. Chrysanthemums produce lush dark green lobed foliage and bright yellow double flowers in the middle.
Use nutrient-rich, well-drained soil and improve with natural compost at planting.

The soil needs to be nutrient-rich and well-drained. Add some natural compost at planting time to assist enrich the soil and get your crops off to an awesome begin.

If you’re rising mums in a container or raised mattress, use a high-quality potting combine or raised mattress backyard soil. This needs to be free, well-drained, and excessive in natural matter.


Close-up of watering flowering chrysanthemum plants from a green plastic watering can. Chrysanthemums form beautiful pompon-shaped double flowers of a bright orange-fiery hue. The leaves are bright green, small, alternate, with deep lobes.
Preserve regular soil moisture, not overly moist.

Mums choose constant soil moisture so the roots keep moist however not moist or soggy. Give your crops about 1 to 2 inches of water every week. Should you’re rising them in pots, examine them day by day in the course of the warmest days to make sure they keep moist. Potted mums dry out in a short time.

Easy methods to Plant Mums

Close-up of female hands in white gloves planting a chrysanthemum bush in a garden. Nearby are several black pots of chrysanthemums. Chrysanthemums are herbaceous flowering plants with lush, lobed dark green foliage. The flowers are medium, pompon-shaped, double, bright red.
Transplant potted chrysanthemums in your backyard on a cool, overcast day, offering good air circulation.

It’s easy to plant fall mums in your house backyard. Assuming to procure potted nursery-grown crops, it’s essential transplant these into your backyard.

Do your transplanting on a cool, overcast day to assist reduce stress on the plant. Most sorts of mums needs to be planted 18 to 36 inches aside, permitting loads of area and good air circulation between crops.

Use a backyard spade or small trowel to put together a gap barely bigger than the pot your plant is at the moment rising in. Use this chance so as to add some natural compost to the soil, giving it a nutritious enhance to your plant.

Fastidiously take away your mum from its pot and switch it into the opening. Refill the gaps across the edges with soil and gently tamp it down. Give your newly transplanted mums an enormous drink of water to assist them settle into their new location. 


Close-up of blooming white and red chrysanthemums in a garden with straw mulched soil. The plant forms upright stems and is covered with large lobed dark green leaves. The flowers are large, pompon-shaped, consisting of narrow, slightly elongated petals in several layers around yellowish-green centers.
For wholesome mums, preserve shallow roots damp and add mulch to retain soil moisture.

Mums have a shallow root system and like their roots to be stored moist. Use any natural, biodegradable mulch that helps shield the roots, retains moisture, and enriches the soil because it breaks down. Use compost, peat, or leaf mulch for the most effective outcomes.

Within the winter, add a 4 to 6-inch layer of mulch round your crops to assist shield them from the chilly and insulate the roots from harsh temperature modifications. Within the spring, you’ll need to take away a few of the mulch and preserve a 2 to 3-inch layer of mulch round your crops.

Annual Upkeep


Close-up of blooming bright dark pink chrysanthemums in the garden. Plants have large double flowers, which consist of many rows of long thin oval petals, densely packed. The leaves are dark green, alternate, lobed, have depressions or divisions along the edges.
As new leaves emerge, apply general-purpose fertilizer in spring to advertise wholesome root progress.

Add some general-purpose fertilizer every spring when your mums are starting to develop new leaves. This helps them develop a more healthy root system and put together for an ample fall bloom.


Close-up of woman's hands in orange gloves pruning flowering chrysanthemum plants with blue secateurs in a sunny garden. Chrysanthemums have upright stems with dark green oval lobed leaves. The flowers are large, double, daisy-like, with narrow oval petals.
Deadhead mums to encourage new blooms.

When do you have to prune your fall mums? There are two instances: fall deadheading and winter pruning. Use sharp, clear backyard pruners to deadhead spent flowers within the fall to maintain your crops trying their finest. This removes the lifeless flowerheads and encourages your plant to supply extra flower buds

Don’t prune your plant instantly after the primary frost. Enable it to overwinter with out pruning it first. In late winter or early spring earlier than new leaf buds type, prune your crops low to encourage recent, dense new progress within the spring.


Close-up of a woman's hands picking off white chrysanthemum flowers in a sunny garden. Chrysanthemums produce medium daisy-like flowers with several rows of white petals surrounding yellow centers.
To reinforce mums’ progress and fall bloom, pinch off early flower buds till mid-July.

Pinching is a standard approach beneficial for mums. Pinch off early flower buds till early to mid-July. This helps your crops develop extra branches and turn into fuller.

It additionally encourages them to attend till fall to flower, and you should have a huge fall blooming season. With out pinching off the early flower buds, your crops will produce fewer flowers and longer flowerless stems. 


Top view, close-up of female hands in white gloves weeding the soil around chrysanthemums. Chrysanthemums produce a bushy form of upright stems with oval lobed dark green leaves. The flowers are small, daisy-like, semi-double, consisting of several rows of bright red thin petals surrounding yellow centers.
Forestall competitors by sustaining a weed-free backyard to make sure optimum rising circumstances to your mums.

Mums don’t need to compete with weeds for mild, water, or area. Preserve your flower backyard weeded to cut back weedy competitors and supply your particular flowering crops with the most effective rising circumstances attainable.

Often Requested Questions

Sure, completely! Mums look nice in containers and are an excellent plant for raised mattress gardening. They are often grown in any sunny location with moist soil and good soil drainage. If you’re transplanting mums into an ornamental gardening container, examine first to verify your container has good drainage holes. If not, you’ll need to create drainage holes earlier than planting. Mums don’t like to take a seat in soggy soil.

You would dedicate a whole raised mattress to mums, or combine them with another complimentary flowers like cosmos, or stunning fall greens like blue kale, so as to add some fascinating selection. Simply you should definitely preserve the soil moist, particularly if you’re rising your mums in smaller pots or containers as a result of their roots will dry extra rapidly in smaller containers.

There’s all the time a hope which you could save a mum by the winter, even when you didn’t plant it earlier than the primary frost. Think about overwintering a potted mum in a cool, darkish location like a storage. If you’re overwintering it in a pot, don’t let it freeze, however preserve it cool so the plant will keep dormant. You’ll additionally need to preserve the soil very barely moist so it doesn’t dry out utterly. Within the early spring, you’ll be able to prune it to a couple inches tall and transplant it outdoors in your backyard and watch it develop.

You may nonetheless strive planting it outdoors, even after the frost. Cowl it with a thick 4 to 6-inch layer of mulch. In early spring, earlier than new progress begins, prune your mums to a couple inches tall, take away a few inches of the thick mulch and optimistically, your plant may have survived the winter. Because the climate warms, it’s best to see some recent new leaf buds beginning to develop.

That relies upon so much on the cultivar you could have. Among the showiest sorts of mums don’t appeal to any pollinators as a result of the flowers are so complicated that bugs can’t attain the pollen. A easy flowered selection, resembling Hillside Sheffield Pink, has showy flowers and essentially the most simply accessible pollen that can appeal to a large number of pollinators.

Ultimate Ideas

Should you love cheerful colours, think about shopping for and planting fall mums to your yard. Whereas mums are wonderful seasonal potted crops, rising these beauties in your yard year-round is extra rewarding. Plant fall mums within the late summer season or early fall to take pleasure in them in your yard this season and for a few years. With a small quantity of annual upkeep, you’ll be able to have dependable repeat bloomers so as to add life and colour to your panorama all through the rising season.

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