Field guide
How to grow brussels sprouts: planting, care, and harvest guide
Brussels Sprouts typically reaches first harvest in 90–120 days. This guide covers when to plant by USDA zone, common pests, harvest cues, and companion plants where relevant.
Open plannerWhen to plant brussels sprouts by USDA zone group
- USDA Zones 1–4 — May to June
- USDA Zones 5–6 — April to May
- USDA Zones 7–8 — March to April
- USDA Zones 9–10 — February to March
- USDA Zones 11–13 — October to December
Companion plants
Good companions: Onions, Beets, Carrots
Avoid planting with: Strawberries, Tomato (Slicing)
Harvest
When to pick
- Sprouts are 1-2 inches in diameter, firm and bright green
- Start harvesting from the bottom of the stalk upward
- Flavor improves dramatically after a light frost
How: Twist sprouts off the stalk, or cut with a knife. Remove the leaf below each harvested sprout. Top the plant 3-4 weeks before the last harvest to redirect energy into sprout growth.
Storage: Refrigerate unwashed in a bag for 1-2 weeks. Can leave on the stalk in the fridge for even longer storage. Freeze after blanching.
Common pests and problems
Cabbage Worms
Signs: Holes in leaves, caterpillars
Control: Bt, row covers, hand-picking. Same brassica pest complex.
Aphids
Signs: Gray clusters in sprout crevices
Control: Insecticidal soap. Soak harvested sprouts in salt water to flush out hidden aphids.
About this field guide
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