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This perennial grows to 8 feet tall with many side branches with numerous bright yellow flowers from mid to late summer. Roots are used medicinally as an expectorant with antibacterial and antifungal properties. As a dye plant, the roots yield a blue dye and the flowers a yellow-orange dye.  

50 seeds



Inula helenium


Germination: 14-40 days

Germination Temperature: Optimum soil temperatures 65-70ºF

Seed Planting Depth: Sow on the surface, seeds need light to germinate

Starting Indoors: Start indoors 6-10 weeks before the last frost. Provide 65-70ºF soil temperatures. Transplant after the last frost, 18-24” apart 

Sowing Outdoors: Mid-spring when the soil temperature reaches 55-60ºF. Sow a few seeds every 18-24" apart or sow 1-2" apart in a row then transplant to the desired location. 

Growth Habit: Erect stalks, branching

Height and Width: 5-8’ x 2-4’

Spacing: 18-24” apart

Light Needs: Full sun 

Soil Needs: Average to Fertile, well-drained 

Flowering: Mid to late summer

Harvest: In the fall, roots of established 2-3 year old plants

Uses: Medicinal, flowers attract bees and beneficial insects

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