Zone 4 · Snapdragon
Planting Snapdragon in Zone 4
Antirrhinum majus
✅ Snapdragon thrives in zone 4 (hardy 2–11)
Can I plant today?
✅ Start Snapdragon indoors now
You're 4 weeks from last frost. Cool-season bloomer. Start indoors 8 weeks before last frost or set out transplants early spring. Pinch tops for bushier plants.
Evaluated for April 27, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around September 15
Bloom window
May – October
Peak bloom
June
Sun required
full sun, part sun
Mature height
24"
Spacing
9" apart
Type
annual
How to plant Snapdragon in zone 4
Cool-season bloomer. Start indoors 8 weeks before last frost or set out transplants early spring. Pinch tops for bushier plants.
💡 In zone 4, start seeds indoors around March — about 8 weeks before your last frost.
Pair with these for continuous bloom
Snapdragon peaks in June. These companions keep your bed in color before and after.
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