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Cut flowers1 variety

Wallflower

Cheiranthus allionii

Named for their ability to bloom in cooler conditions. Blooms with crocuses and continues for weeks. Biennial in zones 3-5.

BiennialZone 3-9
Wallflower in the field

Days to maturity

45–100 days

Days to germ.

7–30 days

Spacing

6–12 in

Height

10–18 in

Sun

Full Sun to Partial Shade

How we grow it

Germination

Days to germ.
7–30 d
Soil temp
65–70 °F
Depth
0.125 in
Light for germ
light
Pre-treatment
Stratification: late fall or early spring planting, or 30 days of refrigeration.

Culture

Days to maturity
45–100 d
Spacing
6–12 in
Height
10–18 in
Sun
Full Sun to Partial Shade
Frost
Zones 3-9 · to -40°F · hardy
Sow indoors
No
Outdoor / direct
Yes

Harvest

Recent field notes

Observation

Plant in full bloom in late summer the year it was sown.

Varieties

1 variety on record