Genus Chrysanthemum (Garden mum)

Chrysanthemum Chrysanthemum morifolium 'Linda' Photo/Illustration: Chris Curless
kris-AN-theh-mum Common Name: Garden mum
The genus Chrysanthemum encompasses a large group of plants (mainly cultivars) that are grown for their showy disc and ray flowers. The diversity of this genus is evident in both its flowerhead forms and wide range of colors. Plants may need staking in rich soil, but can be trimmed back early in the season to mitigate this. Many add valuable late-season color to the garden.
Noteworthy characteristics: The diverse flowerhead forms range from simple to exotic. The colors vary from soothing pink to shocking lime.
Care: Grow in full sun and moist, but well-drained soil.
Propagation: Best by division in autumn or early spring, but plants can also be started from seed in spring.
Problems: Fungal rot, gray mold, powdery mildew, white rust.

Species, varieties and cultivars for genus Chrysanthemum

Chrysanthemum morifolium Chrysanthemum morifolium
(Hardy garden mum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

There would be few cut flowers blooming in October were it not for hardy garden mums. Their clusters of flowerheads show over a long period and are available in many colors, including red, orange, yellow, white, and lavender.