Fireweed / Rosebay (Great Willowherb) Epilobium angustifolium Flower Seeds

Fireweed (Epilobium angustifolium) – Also Known as Rosebay or Great Willowherb

Brighten your landscape with Fireweed Seeds, also called Rosebay Willowherb or Great Willowherb. Scientifically known as Epilobium angustifolium, this stunning perennial wildflower features tall spikes of vivid pink to purple blossoms that bloom through summer and early fall.

Fireweed thrives in full sun and well-drained soil, often seen in meadows, open woodlands, and along roadsides. Its long-lasting blooms make it a favorite among pollinators such as bees, hummingbirds, and butterflies. Perfect for naturalized landscapes, wildflower meadows, and perennial garden borders, Fireweed adds both color and ecological value to any outdoor space.

Features

• Premium non-GMO Fireweed (Epilobium angustifolium) seeds
• Produces tall spikes of bright pink-purple flowers
• Hardy perennial suited to diverse climates
• Attracts bees, butterflies, and hummingbirds
• Excellent for wildflower gardens and naturalized plantings
• Low maintenance and highly adaptable to poor soils
• Native North American wildflower, perfect for rewilding projects

Specifications

• Common Name: Fireweed, Rosebay, Great Willowherb
• Scientific Name: Epilobium angustifolium
• Plant Type: Perennial Wildflower
• Flower Color: Bright pink to magenta
• Foliage: Narrow, lance-shaped green leaves
• Sunlight Requirement: Full Sun to Partial Shade
• Soil Type: Well-drained loam or sandy soil
• Watering Needs: Moderate; drought-tolerant once established
• Germination Time: 14–21 days
• Maturity Period: 70–90 days from sowing
• Best Planting Season: Spring or Fall
• USDA Hardiness Zones: 2–9
• Temperature Range: 55–75°F (13–24°C)
• Plant Height: 3–6 feet (90–180 cm)
• Spacing Between Plants: 12–18 inches (30–45 cm)
• Planting Depth: Surface sow; do not cover seeds deeply
• Bloom Season: Mid-Summer through Early Fall
• Fragrance: Light, sweet scent
• GMO Status: Non-GMO
• Organic Status: Conventional
• Maintenance Level: Low
• Uses: Pollinator gardens, meadows, rewilding, roadside plantings
• Storage: Store in a cool, dark, and dry location until planting

Planting Guide

• Soil Prep: Choose a sunny, open area with well-drained soil.
• Sowing: Surface sow the seeds directly outdoors in early spring or late fall.
• Watering: Mist lightly to keep soil moist until germination.
• Light: Provide full sun exposure for best flower color and height.
• Spacing: Thin seedlings to 12–18 inches apart for strong growth.
• Care: Remove spent flowers to encourage reseeding; minimal maintenance needed.