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PlantFiles: Hardy Chrysanthemum
Chrysanthemum x rubellum 'Mary Stoker'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Chrysanthemum (kris-AN-the-mum) (Info)
Species: x rubellum (ROO-bell-um) (Info)
Cultivar: Mary Stoker

Synonym:Chrysanthema x rubellum

4 vendors have this plant for sale.

3 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Coral/Apricot

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry

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to view:

By mygardens
Thumbnail #1 of Chrysanthemum x rubellum by mygardens

By jmorth
Thumbnail #2 of Chrysanthemum x rubellum by jmorth

By z6_dgarden
Thumbnail #3 of Chrysanthemum x rubellum by z6_dgarden

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive coriaceous On Feb 20, 2014, coriaceous from ROSLINDALE, MA wrote:

An excellent garden plant, one of the most popular of garden chrysanthemums. A soft yellow single, one of the rubellum hybrids bred by Amos Perry around WW2.

Garden chrysanthemums (including the "rubellum hybrids"---a trade name rather than a botanical one) are distinctly different from the "hardy mums" commonly sold in garden centers in the fall for bedding. For garden chrysanthemums to winter over reliably, they need to be planted in the spring. They're heavy feeders and tend to exhaust the soil quickly. Clumps tend to die out in the centers. They also tend to spread rather quickly, though they're easily pulled out where not wanted. For all these reasons, they need frequent spring division with soil renewal, at least every 2-3 years.

A few times, exceptionally early springs have also triggered a spring flush of bloom, as happens routinely with mums in the South. (For the best/most bloom, it's best to prevent the spring flush by pinching back as soon as the buds appear).

Garden chrysanthemums are usually pinched back in late spring, to induce branching, to increase flower bud production, and to reduce height and the need for support. The standard advice here is to stop pinching by July 4th.

Neutral berrygirl On Mar 21, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

CHRYSANTHEMUM Rubellum - Mary Stoker - Medium 28" - Plant 16" apart. Zone 4-9. Forms a handsome mound of large daisy flowers. Golden straw colored blossoms open in September, and then deepen with age. Very showy.

Plant Care:
Tolerates drought. Can be pinched to increase the number of blooms. Spreads nicely.


Blooms: Late Summer, Early Fall to Late Fall

Flower Color: Yellow

Sun-Shade: Full Sun to Mostly Sunny

Accent Color: Yellow

Soil Condition: Normal

Plant Height: Medium

Zones: z4,z5,z6,z7,z8,z9

Regional...

This plant has been said to grow in the following regions:

Chicago, Illinois
Divernon, Illinois
Roslindale, Massachusetts
Topsfield, Massachusetts



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