Elecampane (Inula helenium) Seeds

Elecampane (Inula helenium) is a striking perennial valued for its bold, oversized leaves and radiant yellow daisy-like flowers. Growing into impressive clumps, it brings strong architectural presence to meadows, borders, and naturalistic plantings. The long stems and starburst blooms draw bees, butterflies, and beneficial insects, making it an excellent choice for wildlife-friendly and pollinator gardens. Hardy and low maintenance, it thrives in sunny areas with moist, fertile soil.

Features

• Tall perennial with large textured foliage and bright yellow flowers
• Excellent plant for pollinator and wildlife gardens
• Adds height and structure to meadows and back borders
• Naturally vigorous, forming large, long-lived clumps
• Thrives in moist soils and full sun
• Non-GMO Inula helenium heirloom variety

Specifications

• Common Name: Elecampane
• Scientific Name: Inula helenium
• Plant Type: Hardy perennial
• USDA Zones: 3–8
• Flower Color: Yellow daisy blooms
• Bloom Season: Mid to late summer
• Height: 60–96 inches (5–8 feet)
• Spread: 24–36 inches
• Growth Habit: Upright clumping with large foliage
• Heirloom: Yes
• GMO Status: Non-GMO
• Organic: Not certified organic
• Light Requirements: Full sun to light shade
• Soil Preference: Moist, fertile, well-drained soil
• Water Needs: Moderate to high
• Pollinator Value: Attracts bees and butterflies
• Maintenance Level: Low
• Plant Spacing: 18–24 inches
• Seed Viability: 1–2 years stored cool & dry

Planting Guide

• Best sown outdoors in fall or early spring.
• For spring sowing, cold stratify seeds 4 weeks (refrigerate in moist medium).
• Sow 1/4 inch deep in moist, well-drained soil.
• Keep soil evenly moist; germination may take 14–30 days.
• Transplant or thin seedlings to 18–24 inches apart.
• Place in full sun; keep soil moderately moist during growth.
• Allow room for mature height and large foliage clumps.
• Remove spent blooms or leave seedheads for wildlife interest.