Cinnamon Willowherb (Epilobium Coloratum) Eastern Purpleleaf Flower Seeds

Cinnamon Willowherb (Epilobium coloratum), also called Eastern Purpleleaf Willowherb, is a native North American wildflower recognized for its slender pink-lavender blooms and distinctive reddish stems. This non-GMO variety thrives in moist gardens, rain-friendly landscapes, wetland edges, and naturalized wildflower beds. With long, grass-like foliage and airy flower spikes, Cinnamon Willowherb adds gentle color and ecological value to native planting schemes and pollinator gardens.

Features

• Pink-lavender flowers with red-tinted stems
• Non-GMO North American native wildflower
• Excellent for pollinator habitats and rain-garden borders
• Thrives in moist soil conditions and wetland planting areas
• Fine-textured foliage adds airy garden structure
• Easy to grow, adaptable, and long blooming

Specifications

• Common Name: Cinnamon Willowherb, Eastern Purpleleaf Willowherb
• Scientific Name: Epilobium coloratum
• Plant Type: Perennial wildflower
• USDA Zones: 4–9
• Season: Summer to early fall bloom
• Height: 18–48 inches
• Bloom Color: Pink to lavender
• Foliage: Narrow green leaves with red or purple stem highlights
• Heirloom: Yes
• GMO Status: Non-GMO
• Organic: Not certified organic
• Light Requirements: Full sun to light shade
• Soil Preference: Moist, rich, or average garden soils
• Water Needs: Moderate to high moisture
• Growth Rate: Moderate
• Heat Tolerance: Good with moisture
• Cold Tolerance: Excellent
• Plant Spacing: 12–18 inches
• Seed Longevity: 2–3 years in cool, dry storage

Planting Guide 

• Sowing Method: Direct sow outdoors or start in trays for transplanting.
• Seed Preparation: Surface sow; requires light to germinate.
• When to Plant:
• Fall: Best for natural cold stratification
• Spring: After stratifying seeds for 30–60 days
• Sowing Depth: Do not cover; press gently onto soil.
• Germination Time: 14–45 days depending on temperature and stratification.
• Light Requirements: Full sun to partial shade.
• Soil Conditions: Moist soil preferred; tolerates average garden soil.
• Watering: Keep consistently moist while establishing.
• Maintenance:
• Allow some seed heads for natural reseeding in wild areas
• Trim old stems at end of season
• Best suited for native plant and rain garden designs