Zone 4 · Foamflower
Planting Foamflower in Zone 4
Tiarella cordifolia
✅ Foamflower thrives in zone 4 (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
10"
Spacing
12" apart
Type
perennial
How to plant Foamflower in zone 4
Plant in humus-rich shade in spring. Evergreen foliage spreads by runners to form a patch.
Pair with these for continuous bloom
Foamflower peaks in April. These companions keep your bed in color before and after.
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