Zone 9 · Edging Lobelia
Planting Edging Lobelia in Zone 9
Lobelia erinus
✅ Edging Lobelia thrives in zone 9 (hardy 2–11)
Can I plant today?
⏳ Not the right window
Edging Lobelia 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 – September
Peak bloom
June
Sun required
part sun
Mature height
8"
Spacing
8" apart
Type
annual
How to plant Edging Lobelia in zone 9
Transplant after last frost. Likes cool roots — mulch heavily. May rest midsummer in heat.
💡 In zone 9, start seeds indoors around January — about 10 weeks before your last frost.
Pair with these for continuous bloom
Edging Lobelia peaks in June. These companions keep your bed in color before and after.
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