Zone 4 · Foxglove
Planting Foxglove in Zone 4
Digitalis purpurea
✅ Foxglove thrives in zone 4 (hardy 4–9)
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
part sun
Mature height
48"
Spacing
18" apart
Type
perennial
How to plant Foxglove in zone 4
Biennial treated as perennial. Plant in spring in part shade. Tall spires, bumblebee favorite. All parts toxic if eaten.
Pair with these for continuous bloom
Foxglove peaks in June. These companions keep your bed in color before and after.
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