Zone 5 · Arkansas Bluestar
Planting Arkansas Bluestar in Zone 5
Amsonia hubrichtii
✅ Arkansas Bluestar thrives in zone 5 (hardy 5–8)
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 October 15
Bloom window
May – May
Peak bloom
May
Sun required
full sun, part sun
Mature height
36"
Spacing
24" apart
Type
perennial
How to plant Arkansas Bluestar in zone 5
Plant in spring. Feathery foliage turns gold in fall — strong four-season structure plant.
Pair with these for continuous bloom
Arkansas Bluestar peaks in May. These companions keep your bed in color before and after.
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