Epilobium angustifolium
TAXONOMY
FamilyOnagraceae
GenusEpilobium
Zone3
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Epilobium angustifolium, commonly known as fireweed or rosebay willowherb, is a perennial herbaceous plant in the family Onagraceae. It is native to temperate regions of the Northern Hemisphere, including North America and Europe. Fireweed is known for its tall, spiky clusters of pink to purple flowers and its ability to quickly colonize disturbed areas, such as those affected by wildfires, hence its common name. The plant undergoes a dormancy period during the winter months.
ALSO KNOWN AS
Fireweed
Chamaenerion angustifolium
Chamaenerion angustifolium f. leiostylum
Chamaenerion angustifolium f. pubescens
Chamaenerion angustifolium var. abbreviatum
Chamaenerion angustifolium var. album
Chamaenerion angustifolium var. karsianum
Chamaenerion angustifolium var. pubescens
Chamaenerion angustifolium var. spectabile
Chamaenerion denticulatum
Chamaenerion spicatum
Chamaenerion spicatum f. alba
Chamerion angustifolium
Chamerion angustifolium f. pleniflorum
Epilobium angustifolium f. albiflorum
Epilobium angustifolium f. angustifolium
Epilobium angustifolium f. spectabile
Epilobium angustifolium subsp. albiflorum
Epilobium angustifolium subsp. angustifolium
Epilobium angustifolium var. abbreviatum
Epilobium angustifolium var. angustifolium
Epilobium angustifolium var. macrophyllum
Epilobium antonianum
Epilobium brachycarpum
Epilobium difforme
Epilobium elatum
Epilobium gesneri
Epilobium gracile
Epilobium latifolium
Epilobium leiostylon
Epilobium macrocarpum
Epilobium montanum
Epilobium neriifolium
Epilobium persicifolium
Epilobium rubrum
Epilobium salicifolium
Epilobium spicatum
Epilobium spicatum f. albiflorum
Epilobium variabile
Epilobium verticillatum
Pyrogennema angustifolium
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity60%
Dormancy4 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Fireweed thrives in temperate climates and prefers full sun to partial shade. It requires moderate temperatures and does well in areas with good air circulation. Water the plant regularly, allowing the soil to dry out partially between waterings. Maintain moderate humidity levels to support healthy growth.Soil
Fireweed prefers well-draining loamy soil that is rich in organic matter. It can tolerate a range of soil types but performs best in soils that are not too compacted. Ensure the soil has good drainage to prevent waterlogging, which can harm the plant.Fertilizer
Fireweed generally does not require additional fertilization if grown in nutrient-rich soil. However, if the soil is poor, a balanced, slow-release fertilizer can be applied in the spring to support growth.Repotting
Repotting is not typically necessary for fireweed, as it is usually grown outdoors. However, if grown in containers, repot the plant every 2-3 years to refresh the soil and provide more space for root growth. Repot in the spring before the growing season begins.Propagation
Fireweed can be propagated by seed or division. Sow seeds in the spring or fall, directly in the garden or in seed trays. For division, separate the plant's rhizomes in early spring or late fall and replant them in a suitable location.Pruning
Pruning is beneficial for fireweed to maintain its shape and encourage healthy growth. Cut back the stems after flowering to prevent self-seeding and to tidy up the plant. Remove any dead or damaged stems during the growing season.Toxicity
Fireweed is not toxic to pets or humans. It is considered safe and is even used in traditional medicine and as a food source in some cultures.Additional
Fireweed is known for its rapid growth and ability to quickly colonize disturbed areas, making it an excellent choice for naturalizing wild areas or for use in restoration projects. It also attracts pollinators such as bees and butterflies, contributing to the local ecosystem.REVOLUTIONIZE YOUR PLANT CARE
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