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The Daily Insight

How do you take care of potted mums outside

Author

Sarah Rodriguez

Published Apr 08, 2026

Although mums planted in a spring garden need 6 hours of sunlight, fall potted mums need bright but indirect light. Place them a few feet back from a south-facing window or anywhere in a bright location without direct sun. Keep the mums’ soil continually moist, but not soggy, by checking it daily with your finger.

How long do potted mums last outdoors?

Garden mums may be grown in containers, or planted in beds with existing shrubs and flowers. Flowers generally last about two or three weeks, depending on the outdoor temperatures and how far along the blooming process was when the plants were purchased.

How often should I water potted mums outside?

Don’t let your mums get too dry or wilt between waterings. Water your potted mums at least every other day. They like to get about 1 inch of water per week. Water at the soil level (the base of the plant) and not on top of the foliage.

Do potted mums come back?

Potted mums are autumn classics, with late-season color that boosts curb appeal or brightens a Thanksgiving table. … Treat your potted mums with care, and they’ll come back whether you maintain them in the pot or plant them out in the garden.

How do you take care of potted mums?

Mums prefer constantly moist but not soggy soil. Plants in containers should be water almost every other day. Established plants in the ground should be fine with natural rainfall, but in droughts supplemental watering is needed. Newly planted mums should be watered 2-3 times per week.

Can I keep mums in pots over the winter?

Overwinter your mums in pots. If you’re not ready to give up your beautiful fall blooms, you can overwinter mums in pots as long as they’re hardy mums. Fall-blooming mums (​Chrysanthemum x morifolium​) grow in USDA plant hardiness zones 4 to 9, and they’re often grown in pots as annuals in other zones.

Are potted mums annuals or perennials?

There are potted florist mums, which look just like garden (hardy) mums and even share the same botanical name (Chrysanthemum x morifolium)—and they’re perennials, but their survival depends on when you get them and where you live. Garden mums, also known as hardy mums, are perennial mums.

Can mums survive frost?

Most garden mums should be able to endure a light fall frost. Cover the plants at night when freeze warnings are in effect. … However, if you are in a cold climate, leaving the dead foliage on the plants has been found to help the plant survive colder temperatures better than pruned plants.

Do mums like sun or shade?

Chrysanthemums are sun-loving plants. Although they technically require only 6 hours of sunlight each day, the more light they receive, the better their growth, bloom and hardiness. Slight shade in hot, summer afternoons is appropriate in warmer gardening zones to prevent scorching.

Can you over water potted mums?

While overwatering your mums can lead to mold issues and root rot, Mast says not watering them enough can create problems, too. “Make sure your mums do not dry out, as this will cause the foliage to drop and blooms to fall off,” she says.

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How do you keep mums alive?

To prolong the blooms, keep the plant in bright indirect light, rather than full sun. Water Mums from Bottom: Protect your mums from rain, and water them carefully without splashing the foliage or blooms. This will help keep the blooms from spotting and browning.

Where do mums grow outside?

Garden mums are hardy in U.S. Department of Agriculture plant hardiness zones 8 through 10a. Prepare a location with full sun and well-drained soil by digging in a 2-inch layer of compost to a depth of about a foot. Garden mums will survive in partial shade, but they won’t bloom as well and tend to sprawl.

Will mums grow back every year?

You will have some buds on them by then, but don’t worry. They will grow back and your plant won’t look dead in the middle.” Many people buy mums in the fall thinking the plants are annuals. … But if you buy hardy mums, you can get them to bloom year after year.

Can you plant potted mums in the ground?

Technically, however, they can be planted in your garden any time before the first frost of fall. This means you can try removing the mums from your pot and planting them in the ground in the fall. … Plant them at the same depth as they were in the pot and water them thoroughly after planting.

What do you do with mums in the spring?

  1. Prune all the dead parts down to the roots.
  2. Add a little fresh compost or fertilizer to the soil.
  3. Move the pot to the sun.
  4. Water thoroughly.
  5. Keep an eye on the plants and take extra care watering and watching for insects as the new growth establishes itself.

How do you keep potted mums blooming?

For potted mums, cut off the flowers after they wilt, to encourage further blooming. If you want something more permanent and are willing to provide proper care — such as mulching and pinching to encourage compact growth and more blooms — plant mums in the spring and allow them to get established in the garden.

Are coffee grounds good for mums?

Since they are acidic, coffee grounds work especially well as fertilizer for acid-loving plants such as blueberries, strawberries, gardenias, azaleas, hydrangeas, magnolias, ferns and rhododendrons. … Used coffee grounds make an effective and fast-acting fertilizer for plants and vegetables.

Can mums be on a covered porch?

If you love your pot mums and can’t live without them, the best plan is to keep them in pots and keep them out of the rain. The perfect place for pot mums is on the covered porch, under an overhang or anywhere else you can keep them away from rain and soil.

What conditions do mums like?

Mums thrive in full sun conditions as long as you give them enough water. Choose a spot that gets at least six hours of sun a day. Plants that don’t get enough sunlight will be tall and leggy and produce fewer, smaller flowers. … After they are established, give mums about an inch of water per week.

Can you leave mums outside?

Most mums are hardy outdoors in U.S. Department of Agriculture plant hardiness zones 5 through 9, although some tender varieties can’t survive outdoors in regions that experience frost. … Cut off the mums’ flowers after they wilt. Doing so encourages further blooming and keeps the plants clean.

When can I put mums outside?

The bottom line is that there’s not a “best” time to put out your potted mums, but you’ll get optimal plant performance in cooler weather. Mid- to late-September is ideal if you want to love your mums for as long as possible.

What temperature should you bring mums inside?

Indoor Mums Option Potted chrysanthemums can be brought indoors when frost threatens, if you place them where they receive full sun or supplemental light. Keep the temperature between 70 and 75 F during the day and 60 F at night, according to the University of Missouri.

What does Overwatered mums look like?

Signs of overwatering include yellow leaves that turn black and fall off. Keep mums evenly watered to ensure the best flowering.

Should you deadhead potted mums?

You don’t want to over-water your mums, however the worst thing that can happen is for them to get too dry. Deadhead often for lasting blooms. Take off wilted blooms and dead stems/leaves not only makes your mums look more beautiful, it helps your plant to bloom longer.

Do mums need water?

Early in the season mums should be watered like your lawn, about one inch a week. As the plants increase in size and summer brings warmer temperatures, your watering should increase proportionately. By flowering time in September and October, watering three times a week would not be too much.

Should I repot my mums?

Always repot a purchased potted mum plant when you get it home. They are usually root-bound, meaning that the roots are taking up the majority of the pot. Replant the mums in a container larger than the one it came in so the roots have room to spread out and breathe.

What do you do with mums in the winter?

If you cut the mums back to the ground, fewer stems will grow next year. After this, when wintering mums, it is best to provide a heavy layer of mulch over the plant after the ground has frozen. The mulch for winterizing mums can be straw or leaves. This layer of mulch helps to keep the ground insulated.

What do you do with potted mums in the winter?

  1. Keep mums outdoors until the foliage and flowers die back after the first frost. …
  2. Move the plant indoors to a dark area that is between 32 and 50 degrees Fahrenheit. …
  3. Water mums so the soil is slightly moist during winter dormancy. …
  4. Keep mums indoors until one week before the last expected spring frost.

What do hardy mums look like?

Hardy Mum Varieties Varieties include the light purple ‘Dorothy Mechen’ and ‘Adrienne Mechen’, which have flowers with a pink center that fades to bright white tips. Pom Pom: These fluffy mums are also known as button mums. All varieties produce compact blooms in various colors.

How do I know if my mums are hardy?

  1. Garden Mums are Hardy Mums. A Garden Mum is a Hardy Mum. …
  2. Purchase Mums When the Temperature Cools Down to Get Longer Lasting Flowers. …
  3. Mums have Multiple Sets of Flowers. …
  4. Water Large Mums at Base to Prevent Splitting. …
  5. Overwinter Mums can be difficult.