Zone 9 · False Indigo
Planting False Indigo in Zone 9
Baptisia australis
✅ False Indigo thrives in zone 9 (hardy 3–9)
Can I plant today?
⏳ Not the right window
False Indigo has a specific planting window in zone 9. Check back in spring.
Evaluated for April 27, 2026 ·
Zone's last frost
around February 15
Zone's first frost
around December 15
Bloom window
May – June
Peak bloom
May
Sun required
full sun
Mature height
48"
Spacing
36" apart
Type
perennial
How to plant False Indigo in zone 9
Plant in spring — deep taproot means don't move once established. Long-lived and drought-tolerant.
Pair with these for continuous bloom
False Indigo peaks in May. These companions keep your bed in color before and after.
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