Cheyenne Spirit

Echinacea

90d to harvest

A sunlit bloom with a commanding presence—Cheyenne Spirit opens into rich, velvety petals that glow in warm magenta-rose tones, crowned by a dark, sculptural center that seems almost inked in. The flowers hold their shape with a sturdy, upright texture, making a long-lasting show in the garden and a favorite for pollinators drawn to its bold color. Grow Cheyenne Spirit for a native-style, dependable perennial display that brings striking, living color from midsummer into early fall.

Crop Dates

Milestone	Date
Start Indoors	Feb 27th
Last Frost	May 8th
Transplant / Sow Outdoors	May 1st
Harvest Begins	Jul 30th
Harvest Ends	Sep 30th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	50
Min Night Temp (°F)	40
Harden Off (days)	7

Frequently Asked Questions

What pest or disease problem commonly affects Echinacea purpurea (Purple Coneflower), and how can I treat it?

Powdery mildew is a common issue on Echinacea, especially in humid weather and when plants are crowded. Improve airflow by spacing plants about 12–18 in (30–45 cm) apart and water at the soil level; remove and discard heavily affected leaves. If mildew appears early, spray a labeled fungicide for powdery mildew and repeat as directed on the label.

How often should I water Purple Coneflower (Echinacea purpurea) during its main growing phase?

During active growth (roughly from establishment through midsummer), water when the top 1 in (2–3 cm) of soil feels dry. Aim for deep, infrequent soaking so moisture reaches the root zone, typically about 1–2 times per week depending on rainfall and heat. Avoid keeping soil constantly wet, which increases the risk of crown and root problems.

How do I tell when Echinacea purpurea is ready to harvest?

Harvest when the flower heads are fully formed and the central disk is firm and raised, with petals still present or just starting to fade—this typically occurs around 90 days from sowing depending on conditions. For the best quality, cut stems in the morning and choose heads that are not yet disintegrating; older heads that look loose or already seeding are past peak for typical use. If you’re harvesting seeds, wait until the central disk bristles darken and individual seed units are dry and easy to release.