PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

Chrysanthemum, Garden Mum, Florist's Mum
Chrysanthemum 'Mammoth Yellow Quill'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Chrysanthemum (kris-AN-the-mum) (Info)
Cultivar: Mammoth Yellow Quill
Additional cultivar information:(PP15027, aka Mammoth Yellow Quill, MN98-M91-1)
Hybridized by Anderson/Poppe/Gesick/Ascher
Registered or introduced: 2001

Category:

Perennials

Height:

18-24 in. (45-60 cm)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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:

Bright Yellow

Bloom Time:

Late Summer/Early Fall

Mid Fall

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

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:

Patented

Propagation Methods:

By dividing the rootball

From herbaceous stem cuttings

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

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

Minneapolis, Minnesota

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jun 5, 2010, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

This is one fo the greatest mum so far - they start blooming in June and then continue until they are exhausted or frost. Then they come back the following year and then repeat the process. This is becoming hugely popular for at least Minnesota Gardeners.