Zone 6 · Stock
Planting Stock in Zone 6
Matthiola incana
✅ Stock thrives in zone 6 (hardy 2–11)
Can I plant today?
✅ Safe to plant Stock outside
Last frost has passed. Transplant in early spring — prefers cool weather. Intensely fragrant in the evening.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 15
Bloom window
April – June
Peak bloom
May
Sun required
full sun
Mature height
24"
Spacing
10" apart
Type
annual
How to plant Stock in zone 6
Transplant in early spring — prefers cool weather. Intensely fragrant in the evening.
💡 In zone 6, start seeds indoors around February — about 8 weeks before your last frost.
Pair with these for continuous bloom
Stock peaks in May. These companions keep your bed in color before and after.
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