chrysanthemum problems

Although the list of diseases that may attack chrysanthemums is long, mums are relatively trouble-free.

Leaf Spot. ...
Foliar Nematodes (Aphelenchoides ritzema-bosi) ...
Rust. ...
Wilt. ...
Powdery Mildew. ...
Ray Blight. ...
Ray Speck. ...
Gray Mold.

How do you revive a dying chrysanthemum?

As it's now almost March, try turning the sickly ones of out of their pots, and if there are two plants, separating them, and potting them up in fresh potting compost, cut them back to just above soil level and put them somewhere bright to (hopefully) start them back into growth.

Why is my chrysanthemum dying?

Fungal infections, such as bud rot, verticillium wilt and mildew, commonly afflict chrysanthemums. Symptoms show up on the plant's leaves. Rusted leaves develop brown spots under the leaves, and later the leaves die. To control rust, apply sulfur to the entire plant.

Why are my chrysanthemum leaves turning yellow?

Yellowing Chrysanthemum Leaves – Poor Drainage

The plants need well-draining soil to thrive. If the soil doesn't release water, the mum's roots drown and you see your chrysanthemum plant yellowing. Your best bet in this case is to move the plants to a site with lighter soil.

What's wrong with my mums?

Look at the mums' roots. Move the soil from the base of each mum until you can view a good portion of the roots. If a mum's roots are brown and dry, then the plant is probably dead. If a mum's roots are white and look healthy, then that plant is alive but needs some tender loving care to revive it.

Should you water mums everyday?

Chrysanthemums love full sun and all that heat means they also need plenty of water. Give them a good soak after repotting, then water every other day or whenever soil seems dry. Try to avoid allowing your plants to wilt.

What do you do with dead chrysanthemums?

One option is to try to overwinter the mums by burying the pots in the garden. Cut back the dead foliage to the surface of the soil and bury the pot up to the edge. This will help keep the roots warm. A layer of mulch on top of the pots will also help keep the roots warm.

Can mums be overwatered?

Mums are photoperiodic plants that require long dark nights to bloom. ... Take care not to overwater your mums as soggy soil can prevent them from flowering and cause root rot. Signs of overwatering include yellow leaves that turn black and fall off. Keep mums evenly watered to ensure the best flowering.

Do mums like sun or shade?

How Much Sunlight Do Mums Require? 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.

How long can chrysanthemums live?

Of course, not every plant, even if it's a perennial, manages to make it through the winter. The chrysanthemum lifespan is only three to four years and while it could last longer than that, it will get more susceptible to winter damage with each passing year.

Do chrysanthemums keep bugs away?

Chrysanthemums (Mums) – Repels ticks, fleas, ants, Japanese beetles and many other insects. Mums contain a neurotoxin called Pyrethrin, that kills insects, yet is safe for animals.

How long will mums bloom?

Depending on weather conditions and mum varieties, you can expect to get a good display of color for four to six weeks. Extended periods of hot weather will age the flowers more quickly.

How often do you water mums?

Unless the mum is in a very sunny and hot location, watering the plant well, once a day, should be sufficient. When watering, instead of pouring water through the dense flowers, water the plant's soil.

Will mums freeze at 32 degrees?

Mums do not respond well to frosts and freezes, which may not occur until December or January in warmer areas. ... If you don't want your mums to suffer damage, you can protect them by moving them to a sheltered area such a garage or porch if they are potted.

Should you deadhead mums?

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. Once your mums stop blooming, you can place them in the ground outdoors once the weather starts to warm.

Will potted mums bloom again?

A: They won't flower again this year, but should next fall. You can keep them in containers or plant them in the garden in an organically enriched, well-draining soil and in five to six hours of sun. Since the blooms have faded, cut the plants back to 2 inches above ground and mulch heavily.

How long do potted mums last?

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.

Do mums like coffee grounds?

Coffee grounds are highly acidic, they note, so they should be reserved for acid-loving plants like azaleas and blueberries. And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers.

How do you revive a dying mum?

Correct Overwatering to Revive Mums

If the soil is moist, allow the surface to dry out before watering it again. If your mum is still growing in a plastic pot placed inside a decorative pot, pull it out and ensure that water hasn't collected inside the decorative pot.

What to do with chrysanthemums after flowering?

WHEN your chrysanthemums have finished flowering in late autumn, they can be dug up and stored for the following year. It is easy to overwinter chrysanthemums, simply dig up the plants and cut back all the stems to about 6in.

Do mums bloom more than once?

Chrysanthemums do not normally bloom twice. They put on foliage growth throughout the spring and summer, then produce buds in the late summer and fall. ... If you purchase these, it's possible to get them to flower twice by pruning them back.

Can you leave mums in pots?

Mums do best in well-drained soil so use a potting mix (Vigoro All Purpose Potting Mix, $7, The Home Depot) in your container. If you are growing mums in pots for a single season, you can mix them in with other plants in a large container.