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Zone 4 · Spike Speedwell

Planting Spike Speedwell in Zone 4

Veronica spicata

Spike Speedwell thrives in zone 4 (hardy 38)

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

June – August

Peak bloom

July

Sun required

full sun

Mature height

18"

Spacing

15" apart

Type

perennial

How to plant Spike Speedwell in zone 4

Plant in spring after last frost. Shear back after bloom for a late-summer repeat.

Pair with these for continuous bloom

Spike Speedwell peaks in July. These companions keep your bed in color before and after.

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