Zone 6 · Edging Lobelia
Planting Edging Lobelia in Zone 6
Lobelia erinus
✅ Edging Lobelia thrives in zone 6 (hardy 2–11)
Can I plant today?
✅ Safe to plant Edging Lobelia outside
Last frost has passed. Transplant after last frost. Likes cool roots — mulch heavily. May rest midsummer in heat.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 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 6
Transplant after last frost. Likes cool roots — mulch heavily. May rest midsummer in heat.
💡 In zone 6, 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.
Want a full bed designed for zone 6?
Sign up free. GimmeBlooms builds a bloom-succession layout withEdging Lobelia and 3–5 perfect companions.
Design my bed →