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Plant data provided by Trefle.io and Perenual

HomePlant EncyclopediaWillowherb

Willowherb

Epilobium angustum

Also known as
  • Fireweed
  • Great willow-herb
  • Rosebay willowherb
  • NZ small willowherb
Onagraceae
Perennial
Ornamental
Attracts pollinators

About this plant

Epilobium angustum, commonly known as Willowherb, is a perennial ornamental plant that thrives in full sun with medium watering needs. It grows to a height of 0.5–1.5 meters and is suitable for USDA zones 3–7. This plant produces pink, purple, and white flowers that bloom from mid-summer to early fall. It prefers loamy soil and attracts pollinators.

Light

Full sun

Watering

Medium water

Soil

Loamy, Sandy, Clay

Height

0.5–1.5 m

Spread

0.3–0.5 m

Zones

3–9

Flower colors

Calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Indoor Sowing
Direct Sowing
Transplanting
Bloom Period
J
F
M
A
M
J
J
A
S
O
N
D
Indoor Sowing
Direct Sowing
Transplanting
Bloom Period
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Growing Tips

Plant in a location with full sun and well-draining soil. Water moderately, allowing the soil to dry slightly between waterings. Deadhead spent blooms to encourage continuous flowering. It is generally a low-maintenance plant once established.

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Data source: Trefle.io

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Related plant guides

  • Butterfly-friendly plants
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