Onagraceae
Willowherb / Fireweed (genus): Edible Plant
Epilobium
Hardy and low-maintenance outdoor genus. Thrives in full sun to partial shade with moderate watering every 5-7 days. Cold-hardy across USDA zones 2-9. Self-seeds readily.
Every 6 days
Bright indirect
-20° - 35°C
40% - 70%
Categories
What is Willowherb / Fireweed (genus)?
Willowherb / Fireweed (genus) (Epilobium) is a easy-care plant from the Onagraceae family. Epilobium is a genus of flowering plants in the family Onagraceae, found across temperate and subalpine regions worldwide. Species range from tall fireweed colonizers to delicate streamside willowherbs, producing characteristic pink to purple blooms in summer and fall.
Willowherb / Fireweed (genus) grows up to 1.2m, with spread of 60cm, watering every 6 days, -20°C – 35°C, 40–70% humidity. It is not suitable for indoor environments and safe for pets.
Unlike many tropical plants, Willowherb / Fireweed (genus) tolerates watering mistakes. Best for beginners. Unlike many popular species, Willowherb / Fireweed (genus) is safe to keep around pets.
How to Care for Willowherb / Fireweed (genus)?
TLDR: Willowherb / Fireweed (genus) needs Bright indirect, watering every 6 days, and temperatures between -20-35°C with 40-70% humidity.
How Often Should You Water Willowherb / Fireweed (genus)?
Water every 5-7 days during dry spells. Most species tolerate moist soils but dislike waterlogged conditions.
How Much Light Does Willowherb / Fireweed (genus) Need?
Full sun to partial sun (minimum 4-6 hours direct light). Some species adapted to open woodland edges.
What Is the Best Soil for Willowherb / Fireweed (genus)?
Well-draining loamy soil, slightly acidic to neutral (pH 5.5-7.0). Tolerates poor soils once established.
What Is Willowherb / Fireweed (genus) and Where Does It Come From?
Epilobium is a genus of flowering plants in the family Onagraceae, found across temperate and subalpine regions worldwide. Species range from tall fireweed colonizers to delicate streamside willowherbs, producing characteristic pink to purple blooms in summer and fall.
How Big Does Willowherb / Fireweed (genus) Grow?
TLDR: Willowherb / Fireweed (genus) can reach up to 1.2m tall with Medium growth rate.
Max height
1.2m
Spread
60cm
Growth rate
Medium
Foliage
Deciduous
Plant Uses
Ornamental
Great for decoration
Edible
Can be consumed
Medicinal
Medicinal properties
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Willowherb / Fireweed (genus)?
TLDR: Willowherb / Fireweed (genus) is susceptible to 4 known diseases. Monitor regularly for early detection.
Powdery Mildew
Powdery mildew is a common fungal disease caused by various fungi species including Erysiphe, Podosphaera, Oïdium, and Leveillula. It affects over 10,000 plant species worldwide. The disease thrives in warm, dry climates with high humidity and appears as a distinctive white powdery coating on plant surfaces.
Rust
Rust is a common fungal disease caused by fungi in the order Pucciniales that affects a wide variety of plants. The disease gets its name from the characteristic orange, yellow, or reddish-brown pustules that appear on leaves, resembling metal rust. This obligate fungal parasite requires living plants to survive and can cause significant economic losses in agricultural crops.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Aphids
Aphids are small, soft-bodied, pear-shaped insects (1/16 to 1/8 inch long) that feed by sucking nutrient-rich sap from plants. They reproduce rapidly and can quickly weaken plants, causing distorted growth and transmitting plant viruses. Aphids come in various colors including green, black, red, yellow, brown, and gray. They secrete honeydew, a sticky substance that attracts ants and encourages sooty mold growth.
Fun Facts
Several Epilobium species are among the first plants to colonize after wildfires.
Young leaves and flowers of some species are edible and used in herbal teas.
The genus contains 160+ species across temperate zones worldwide.
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