Epilobium alpestre is a species of willowherb in the family Onagraceae. It is native to Europe and Asia.
Whorled-leaved willowherb shows good resistance to disease and is generally not prone to illness. However, it can be affected by pests and diseases present in its immediate environment. Such infections are typically mild. Regarding maintenance, this plant needs moderate care. It should be pruned regularly to keep a neat appearance and encourage healthy growth. Fertilizing can also help increase flowering. Whorled-leaved willowherb is well suited to anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more attentive care when grown indoors.
How to keep Epilobium Alpestre.
Light
Whorled-leaved willowherb is a sun-loving perennial herbaceous plant native to open habitats, commonly growing in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Water
Whorled-leaved willowherb flourishes in consistently moist environments and needs regular watering to thrive. While it can withstand brief periods of drought, it requires weekly watering, particularly during the growing season, to support its growth and replicate the conditions of its natural habitat.
Fertilizer
For Whorled-leaved willowherb, the primary time to fertilize is in early spring when the flowers begin to form. The appropriate fertilizer promotes improved blooms and helps Whorled-leaved willowherb produce attractive flowers. Fertilizing in early spring ensures strong flowering throughout the season and supplies energy for its dormant growth phases.
Pruning
Whorled-leaved willowherb is known for its distinctive whorled leaves and vibrant flowers. To keep the plant healthy and ensure abundant blooms, regular pruning is essential. Key practices include removing dead stems in early spring and thinning out overcrowded areas to improve air circulation. These actions promote healthy growth and flowering. It's important to time these activities to align with the plant's natural growth cycle for the best results.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Epilobium
- Family
- Onagraceae
- Hardiness Zone
- 4-8
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 20 cm to 30 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Semi-evergreen
- Flower Color
- Pink, Purple
- Flower Size
- 1.52 cm to 2.03 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring, Summer
- Harvest Time
- Late summer, Early fall
- Native Area
- Turkey, Austria, Czech Republic, Slovakia, Montenegro, Bulgaria, Poland, Croatia, Slovenia, Ukraine, Serbia, Germany, Italy, Spain, Switzerland, Albania, Romania, France
Other names.
Reader questions.
What are the sun requirements for Whorled-leaved willowherb?
Whorled-leaved willowherb, known botanically as Epilobium alpestre, thrives in both full and partial sun conditions. Full sun exposure means the plant should receive above 6 hours of sunlight daily, while partial sun is about 3-6 hours of sunlight. It's important to observe the sunlight's movement in your garden to pick spots that offer a perfect balance of light and shade, ensuring the plant's well-being.
