Valerian

Valeriana officinalis

Layer 4 · Herbaceous
Dynamic accumulator

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

Herbaceous perennial native to Europe and Asia, valued for centuries for its relaxing properties. Its attractive flowers attract beneficial insects while the roots accumulate phosphorus.

It can be planted now — September is one of the best months.

See which trees valerian grows well with

These trees share this species' soil and climate — the pairing is inferred from conditions, not from a guild we have already seen.

No account needed.

Needs

Water: Medium
Light: Partial shade
Size: Herbaceous up to 1.5 m
Mature diameter: 0.5 m
Soils: Clay, Loam
Climates: Atlantic coast, Inland / Continental, Mountain / cold

Calendar

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

Harvest
Planting

Medicinal use: The dried roots are prepared in sedative infusions to relieve anxiety and insomnia.

Where to buy

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.