Bitter orange

Citrus x aurantium

Layer 2 · Understorey
Edible companion

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

A hybrid of Asian origin, it is a hardy tree widely used as a rootstock and ornamental. Tolerant of heavier soils than other citrus, it produces bitter oranges and extremely aromatic flowers. It forms part of the understorey layer, providing nectar and organic matter.

See which trees bitter orange grows well with

We have no trees recorded with this species yet. Start from the tree on your land.

See the central trees

No account needed.

Needs

Water: Medium
Light: Full sun
Size: Tree up to 6 m
Mature diameter: 4 m
Soils: Clay, Loam, Sandy
Climates: Hot, dry Mediterranean

Calendar

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

Harvest
Planting

Medicinal use: The flowers and leaves are prepared in soothing infusions and the fruits are used to make preserves.

Where to buy

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.