← gardening

Brussels Sprouts (Autumn Star)

brassica

Growing reference
Spacing
12 in(1 / sqft)
Trellis
no
Seed indoor
Mar 4(-6 w)
Transplant
Apr 8(-1 w)
Harvest
~14–18 weeks from sowing
Last fall harvest
Oct 15 – Nov 12(at frost to +4 w)
Water
1-2 per week
Seed shelf life
4 y
Lifecycle
annual
Seed source
Johnny's Selected Seeds

Long-season crop best harvested after light frost — sprouts firm up and sweeten. Spring planting is risky in Zone 7 (summer heat causes loose sprouts); a July transplant for late-fall harvest is often cleaner. Johnny's commercial spacing is 18-24 in.