Calendula
Calendula officinalis
Details
Plant type: annual
Planting season: spring, summer
Height: up to 36"
Site: sun / part shade
Site: sun / part shade
Seed depth: 1/4"
Days to germination: 7-14 days at 70°F (21°C)
Days to maturity: 50-55
Plant spacing: 6-12"
Pinch: when plant is 8-12" tall
Days to maturity: 50-55
Plant spacing: 6-12"
Pinch: when plant is 8-12" tall
Growing Notes
Direct seed (recommended) - After danger of frost, sow at a depth of 1/4". Make 2-3 successive sowings 2-3 weeks apart for continuous blooms from summer to heavy frost.
Transplant - Sow 4-5 weeks before planting out.
Harvest
Harvest once the bloom is about 50% open. Dead-head regularly for optimal blooms.