QA

How Cold Can Mums Get

In general, mums are hardy in U.S. Department of Agriculture plant hardiness zones 4 through 9, although this can vary slightly by species and cultivar. According to the USDA map, the lowest minimum temperatures mums can survive are right around 20 degrees below zero Fahrenheit.

Can potted mums withstand 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.

Can mums withstand cold temperatures?

Mums do not respond well to frosts and freezes, which may not occur until December or January in warmer areas. Garden or hardy perennial mums usually will weather the storm and leaf back out the following spring, but pot mums are generally finished. You should do this as long as the freeze lasts, both night and day.

Can mums survive 40 degrees?

Different Types of Mums Given that plants in Zone 5 can withstand temperatures to -20 degrees Fahrenheit (and plants in Zone 3 can survive temperatures of -40 to -30 degrees Fahrenheit), these mums’ frost tolerance is pretty high.

What temp is too cold for potted mums?

Mums are cold hardy to about 20 degrees Fahrenheit. They can survive hot temperatures from 90 to 100 F, but they’ll need plenty of water and a little shade.

At what temperature should I bring my 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.

How long can mums stay outside?

Avoid plants whose flowers have already begun to fade. 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.

Can mums be planted in the spring?

If you’re using a mum as a perennial, plant in early spring, or in the fall at least six weeks before the first killing frost. If you’re using chrysanthemums for a pop of fall color to boost your late season garden, plant them when they’re blooming in later summer or early fall and treat them as annuals.

Will mums flower in the spring?

While the yellow, red, orange and rust colors of mums (Dendranthema x grandiflorum), also called chrysanthemums, are associated with fall, mums can bloom in spring. The conditions for mums to bloom can be right in spring as well as in fall.

Will mums come back in the spring?

Chrysanthemums that were forced into bloom to flower off-season in the spring can rebloom in the fall when you cut them back and put them in the ground after they fade. Pruning the plant back in the fall — if it flowers again — and mulching it well helps it come back strong in the spring.

Are chrysanthemums frost hardy?

If you wish to grow Chrysanthemums in your garden you need to know how to help them survive winter. These plants are not difficult to grow but they don’t do well in cold weather.

What is the difference between spring mums and fall mums?

There is no difference between spring mums and fall mums, unless you bought something that look similar to mums but are actually another genus. All of them are Chrysanthemum.

Do mums come back every year in pots?

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 put 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?

The best solution is to plant mums in the spring. Buy hardy plants from reputable nurseries and set them out in mid- to late-spring. Keep them watered and start pinching back the plants to encourage branching in late May. Continue to pinch back new growth and flower buds until early to mid July.

How do you care for outdoor mums?

Caring for outdoor mums Give mums plenty of space. It’s wise to plant your mums about 18 inches from other plants so their roots have room to expand. Water, but not too much. Deadhead. In colder climates your mums may need to be mulched using leaves, wood chips, or straw. If frost gets your mums, don’t fret.

Are all mums Hardy?

The vast majority of garden mums (Chrysanthemum x morifolium) are hardy in Zones 5 to 9, although there’s a trick to getting those beautiful fall bloomers to overwinter successfully.