plant

Brussels sprouts

Brassica oleracea var. gemmifera

Updated 4 Aug 2026 · AI-parsed entry

Brussels sprouts (Brassica oleracea var. gemmifera) — a plant, for Full sun, Medium water. Companions: Tansy, Onion.

What it needs & gives back

↓ Needs

Lightfull sun to partial shade
Waterconsistent moisture

↑ Gives back

Mulch_biomassedible sprouts and leaves

Companions

Keep apart from

Through the year

Through the year

JFMAMJJASOND
emergenceSeeds germinate when soil temperatures are consistently above 7 C.
floweringFlowering is typically induced by lengthening days and warmer temperatures after a period of vegetative growth.
fruitingFruiting (seed pod development) occurs after successful pollination.
harvestBrussels sprouts are typically harvested from late summer through autumn, often improving in flavor after the first light frosts.
senescencePlants begin to senesce and die back with the onset of hard frosts in autumn.

Soil interactions

Drainagewell-drained
Nitrogen fixingNo
MycorrhizalNo
Soil textureloam, silt
Organic matterMedium
Compaction toleranceLow

Propagation

Methodsseed
Difficulty2 / 5
Establishes in~0 yr
Stratificationnot required
Self-seedingLight

Wildlife & pests

Can host pestscabbage worm, aphids, flea beetles, cabbage loopers, harlequin bugs
Can host diseasesclubroot, black rot, downy mildew