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Cut flowers3 varieties

China Aster

Callistephus chinensis

Fast-growing annual with showy single to double flowers prized for summer and fall cutting. Incredibly robust blossoms, lasting for over a week in a vase with no special treatment.

AnnualFull Sun
China Aster in the field

Days to maturity

105–120 days

Days to germ.

10–14 days

Spacing

6–12 in

Height

28–36 in

Sun

Sun

Vase life

10–12 days

How we grow it

Germination

Days to germ.
10–14 d
Soil temp
65–72 °F
Depth
0.125 in
Light for germ
light

Culture

Days to maturity
105–120 d
Spacing
6–12 in
Height
28–36 in
Sun
Sun
Frost
No frost tolerance · to 32°F · tender
Sow indoors
Yes
Outdoor / direct
No

Harvest

Cut stage
Fresh–When outside florets begin to open. Dried–When blooms are fully open.
Vase life
10–12 d
Handling
Place immediately in water or floral preservative.

Recent field notes

Observation

Plants in full bloom. Much more impressive and sturdy than I expected. The plants are still prone to tipping, but the blossoms themselves are very hardy.

Observation

Growing happily.

Varieties

3 varieties on record