Zone 8 · New York Ironweed
Planting New York Ironweed in Zone 8
Vernonia noveboracensis
✅ New York Ironweed thrives in zone 8 (hardy 5–8)
Can I plant today?
✅ Safe to plant New York Ironweed outside
Last frost has passed. Plant in spring. Towering late-season pollinator plant; Chelsea-chop in June for shorter stems.
Evaluated for April 27, 2026 ·
Zone's last frost
around March 15
Zone's first frost
around November 15
Bloom window
August – September
Peak bloom
August
Sun required
full sun
Mature height
72"
Spacing
36" apart
Type
perennial
How to plant New York Ironweed in zone 8
Plant in spring. Towering late-season pollinator plant; Chelsea-chop in June for shorter stems.
Pair with these for continuous bloom
New York Ironweed peaks in August. These companions keep your bed in color before and after.
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