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How to Grow Echinacea

Echinacea purpurea

Hardy Warm Season Single Harvest

Echinacea thrives in full sun and well-drained soil, tolerating drought once established. Sow seeds indoors in late winter after 2-4 weeks of cold stratification, covering lightly as they need some light to germinate. Water regularly during the first season to establish strong roots, then reduce watering as plants become drought-tolerant. Deadhead spent blooms throughout summer to prolong flowering, or leave the last seedheads standing in autumn to feed birds and provide winter interest.

When to Start

Direct sow outdoors as soon as soil reaches 12°C — typically early to mid spring. Can also be started indoors 8 weeks earlier for a head start.

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Growth Stages

Sow seeds
Day 0
Germination
~21 days
Flowering
~120 days
Seed to harvest
~120 days

Approximate days from start

Care Essentials

  • Light balanced feed at planting out. Echinacea are light feeders and rarely need additional fertilising once established.
  • Modern echinacea varieties often flower in their first year from an early indoor sowing. Deadhead spent blooms to encourage more flowers, or leave seedheads for birds in autumn. Plants may not survive their first winter in heavy or waterlogged soils.

Growing Conditions

Min. soil temperature
12°C+
Germination temperature
18–24°C

Pet Safety

Cats: Unknown
Dogs: Unknown

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Spacing & Planting

Plant spacing 45 cm
Row spacing 50 cm
Sow depth 0.5 cm
Mature height 90 cm
Mature spread 45 cm

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Growing Conditions

Min. soil temperature12°C
Germination temperature18–24°C
Base growth temperature5°C
Min. daylength to start10h
Photoperiod sensitivityday neutral

Frequently Asked Questions

How far apart should I plant Echinacea?
Plant Echinacea 45cm apart with 50cm between rows.
When does Echinacea flower?
Echinacea typically flowers approximately 120 days after transplanting.
Is Echinacea frost hardy?
Echinacea is classified as Hardy.

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