Crysanthemums are for the most part perennials and are typically listed as
hardy to zone 5. However, they have been hybridized so radically, many
cultivars are much less hardy. What are commonly sold as "garden mums" are
generally treated and sold as annuals, however with mulching in fall, they
will frequently overwinter with ease, specially in warmer zones. Those
labeled and sold as Dendranthemum ('Clara Curtis', Mary Stoker') should be
reliably perennial down to zone 5.
FWIW, many plants typically sold as "annuals" are in fact tender perennials.
pam - gardengal
I used to raise a variety of cushion mum developed by the Univ. of Minn.
that was hardy in zones 3-4. It came in a variety of colors and only froze
out when there was an unusually cold, open winter. Sometimes I found that
even though the roots appeared dead they would unexpectedly send up green
sprouts if placed in a warm area and watered. If any of them winter killed,
it was usually the white or yellow while the darker colors survived.
here in Atlanta - zone 7 - they are perennial. You can pinch out the
tops until July to make them bushier - and take the pinched out parts
and pot up for more plants.
My friend received a lovely florist mum last spring for a gift and after
it finished blooming, she was going to pitch it. I cut it way back,
potted the cuttings and have about 15 new plants. I know they won't be
the big florist mums but they ought to make something nice. Should be
blooming soon. Plus I planted the "mother" plant and it is full of buds
Chrysanthemum plants sold to produce what you may call florist flowers,
spray and bloom as well as "Garden mums" are all raised from cuttings taken
from the previous years stools (the old plant after the flowers have all
Most growers (Unless they want to take their own cuttings) treat them as
not in zone 5. mine are just coming into bloom (near the lake) while out in the
burbs at my mothers they were blooming for her memorial on Labor day. Ingrid
email@example.com (Harri85274) wrote:
List Manager: Puregold Goldfish List
Solve the problem, dont waste energy finding who's to blame
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.
A plant's hardiness does not determine whether or not it is an annual - it's
life cycle does. A true annual is a plant that completes it's entire life
cycle - germinates from seed, grows, produces flowers and sets seed, then
dies - in a single growing season. Many of the plants that are commonly
considered 'annuals' in colder, northern climates are fully perennial in
warmer climates and will come back year after year.
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