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Zone 4 · Larkspur

Planting Larkspur in Zone 4

Consolida ajacis

Larkspur thrives in zone 4 (hardy 211)

Can I plant today?

⏳ Too early to direct-sow

Last frost is in 4 weeks. Wait until soil warms.

Evaluated for April 27, 2026 ·

Zone's last frost

around May 15

Zone's first frost

around September 15

Bloom window

May – July

Peak bloom

June

Sun required

full sun

Mature height

48"

Spacing

12" apart

Type

annual

How to plant Larkspur in zone 4

Direct-sow in fall or very early spring — needs cold to germinate. Annual delphinium look-alike.

Pair with these for continuous bloom

Larkspur peaks in June. These companions keep your bed in color before and after.

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