Short-fruited willowherb (Epilobium obscurum)

Short-fruited willowherb

Also known as: Dark-green willow-herb

Short-fruited willowherb is a summer-flowering perennial herb noted for its hairy aspects. Flourishing by waterways and marshes, this wildflower can also tolerate dry ground. Short-fruited willowherb is a plant that has creeping stems growing from its base during the late summer. It can have an invasive nature if not checked.

Scientific classification

Species

Short-fruited willowherb (Epilobium obscurum)

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Perennial

Lifespan

25 cm to 80 cm

Plant Height

7 mm to 9 mm

Flower Size

Pink, Purple

Flower Color

Deciduous

Leaf type

5 - 25 ℃

Ideal Temperature

Distribution of Short-fruited willowherb

Distribution Map

Short-fruited willowherb primarily thrives in a broad Euro-Siberian range, stretching across regions of Europe and Western Asia. This species has made its way to the southern hemisphere where it has been introduced, notably in areas of Oceania and South America. Short-fruited willowherb's distribution reflects a plant that adapts well to various climates beyond its native territories.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Cultivated or waste ground, marshes, streamsides, woodland margins

Care Guide for Short-fruited willowherb

Every week

Water

Full sun

Sunlight

5 - 25 ℃

Ideal Temperature

Water: Originating from moist environments, short-fruited willowherb requires consistent soil moisture and prefers weekly watering to thrive. As an outdoor plant in temperate regions, it benefits from rainwater, which supports its natural growing cycle and helps maintain its delicate balance between drought resistance and moisture reliance.

Fertilize: For short-fruited willowherb, use a balanced NPK fertilizer monthly during the growing season and less in winter. Follow label instructions to avoid root burn. Adjust feeding according to the plant's life cycle, ensuring even distribution and watering the soil post-application.

Pruning: Prune short-fruited willowherb in early to late spring for better growth and flowering. Use sharp tools to remove dead stems and reduce overgrowth. Always cut just above a leaf node to encourage new growth. Regular pruning helps prevent disease and maintains a tidy appearance.

Propagation: Short-fruited willowherb propagation is successful via sowing in a well-draining substrate. Seeds should be lightly pressed and exposed to adequate light for germination. Maintain consistent moisture and avoid overwatering. Transplant seedlings once true leaves develop and they are robust enough.

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