shrub

Blackcurrant

Ribes nigrum

Updated 8 Jul 2026 · AI-parsed entry

Blackcurrant (Ribes nigrum) — a shrub, for Full sun, Medium water.

What it needs & gives back

↓ Needs

Sunlightfull sun to partial shade
Watermedium to high

↑ Gives back

Fruitedible berries
Biomassmedium

Through the year

Emergence

Bud break and leaf emergence typically occur after the last spring frost and when air temperatures consistently rise above 50C.

Flowering

Flowering begins approximately 30 days after emergence, lasting for about three weeks.

Fruiting

Fruit development starts about 45 days after flowering and continues for a month.

Harvest

Harvest typically occurs in July, lasting for several weeks as berries ripen.

Senescence

Leaves begin to senesce and drop with the first autumn frosts and shortening day lengths.

Dormancy

Plants enter full dormancy shortly after the first autumn frost, remaining dormant through winter.

Timing is relative to your local season (temperate Northern Hemisphere).

Soil interactions

Drainagewell-drained but consistently moist
Nitrogen fixingNo
MycorrhizalYes
Accumulatespotassium, phosphorus
Soil textureloam, clay
Organic matterMedium
Compaction toleranceLow

Propagation

Methodscuttings, seeds, division
Difficulty2 / 5
Establishes in~2 yr
Stratificationrequires cold stratification for 3-4 months
Self-seedingLight
Divisionautumn_or_spring

Wildlife & pests

Attractsbees, hoverflies, birds
Can host pestscurrant aphid, gooseberry sawfly, currant clearwing moth
Can host diseasesblackcurrant reversion virus, white pine blister rust