Zone 3 · Siberian Bugloss
Planting Siberian Bugloss in Zone 3
Brunnera macrophylla
✅ Siberian Bugloss thrives in zone 3 (hardy 3–8)
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
April – May
Peak bloom
April
Sun required
part sun, shade
Mature height
18"
Spacing
18" apart
Type
perennial
How to plant Siberian Bugloss in zone 3
Plant in moist shade in spring. Silver-heart foliage glows in dim corners.
Pair with these for continuous bloom
Siberian Bugloss peaks in April. These companions keep your bed in color before and after.
Want a full bed designed for zone 3?
Sign up free. GimmeBlooms builds a bloom-succession layout withSiberian Bugloss and 3–5 perfect companions.
Design my bed →