Bladder senna

Colutea arborescens

Layer 3 · Shrubs
Nitrogen fixer

Status by region

No restrictions recorded in the lists we checked.

Checked against the European Union list (Regulation 1143/2014) · Portugal's national invasive species list (Decreto-Lei 92/2019).

Information based on the cited sources, not legal advice — always confirm your local rules.

About

Deciduous shrub native to Southern Europe and the Mediterranean Basin. It is toxic and must not be consumed by humans. As a legume, it fixes nitrogen in the soil and enriches the fertility of the forest ecosystem.

It is harvested now — September is one of the harvest months.

See which trees bladder senna grows well with

Pick the central tree on your land and see the full guild.

No account needed.

Needs

Water: Low
Light: Full sun
Size: Shrub up to 3 m
Mature diameter: 2 m
Soils: Limestone, Loam, Sandy
Climates: Inland / Continental, Hot, dry Mediterranean

Calendar

January
February
March — Planting
April — Planting
May
June
July — Harvest
August — Harvest
September — Harvest
October — Planting
November — Planting
December

Harvest
Planting

Medicinal use: Toxic: it is not edible, possessing strong emetic and purgative properties.

Where to buy

Grows well with

Central trees this plant has already been paired with.

Olive tree

Central trees worth considering

May work well together — same soil and climate, complementary layers. We have not seen this combination in a generated guild yet.

May grow well with

Suggestions worked out from growing conditions — same soil and climate, complementary layers and functions. These are not observed guilds; treat them as a starting point to try on your own land.