Description
Botanical name
Calendula officinalis
Family
Asteraceae
Spacing
4 plants per square foot in 2 rows 15 cm (6″) apart. Can grow to 45-60 cm (18-24″).
Depth
6 mm (¼”)
Requirements
Enjoys full sun but will tolerate part shade. Will thrive in a rock garden. pH 5.5-7
Germination
Seeds will sprout in 7-14 days
Pests
Calendula is highly resistant and will attract butterflies.
Timing
Sow indoors in March for outdoor planting in April. Maintain darkness until germination occurs. Or direct sow in the garden before the last frost.
Growing
Calendula is easy to grow and maintain. Pinch back young plants to encourage bushier foliage.
Harvest
Start in mid summer, for 16 weeks
Season
Cool, annual
Links
Interesting short video discussing the healing properties of calendula. Further references are given for instructions on how to make preparations.