Calendula officinalis

“Calendula officinalis is an annual herb in the daisy family (Asteraceae)” — Calendula, Calendula officinalis – Wisconsin Horticulture

“Seeds should germinate in 5 to 15 days” — Calendula, Calendula officinalis – Wisconsin Horticulture

“soil temperature is 60°F” — How to Grow and Care for Calendula (Pot Marigold)

“Calendula is easy to grow in any well-drained soil in full sun” — Calendula, Calendula officinalis – Wisconsin Horticulture

“Water frequently until the plant is established. Once established, it doesn't need much water or fertilizer to grow.” — How to Grow and Care for Calendula (Pot Marigold)

“slightly acidic to neutral soil (6.0 to 7.0)” — How to Grow and Care for Calendula (Pot Marigold)

“2-11 (USDA)” — How to Grow and Care for Calendula (Pot Marigold)

“space each calendula plant about 8 to 12 inches apart” — How to Grow and Care for Calendula (Pot Marigold)

“1-2 ft. tall, 1-2 ft. wide” — How to Grow and Care for Calendula (Pot Marigold)

“Seeds can be sown directly in the garden just before last frost date” — Calendula, Calendula officinalis – Wisconsin Horticulture

“for earlier bloom start seeds indoors about 6 to 8 weeks before last frost” — Calendula, Calendula officinalis – Wisconsin Horticulture

“early spring after the frost has passed” — How to Grow and Care for Calendula (Pot Marigold)

“Harvest the whole flower tops or just the petals when the flowers are fully expanded” — Calendula, Calendula officinalis – Wisconsin Horticulture

“Calendula flowers or just the petals can be used for culinary purposes” — Calendula, Calendula officinalis – Wisconsin Horticulture

“Plants may have problems with aphids, powdery mildew and occasionally cucumber mosaic virus” — Calendula, Calendula officinalis – Wisconsin Horticulture

“Plants may have problems with aphids, powdery mildew and occasionally cucumber mosaic virus” — Calendula, Calendula officinalis – Wisconsin Horticulture