Calendula Seeds,
Playtime Mix

Calendula can be planted in both spring and fall. In colder regions, sow seeds in early spring, a few weeks before the last frost, to enjoy blooms throughout the summer. In milder climates, it can also be sown in fall to bloom through the cooler months. Calendula tolerates light frost and can continue blooming into early winter, especially in areas with mild winters​. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

To plant Playtime Mix calendula, sow seeds directly in the garden after the last frost, or start them indoors 4-6 weeks earlier. Sow seeds about 1/4 inch deep in well-drained soil and keep the soil moist until germination, which typically takes 7-14 days. Space seedlings about 10 inches apart once they have grown to a few inches tall to allow adequate airflow and prevent disease​. Calendula self-seeds readily, so allowing some flowers to go to seed can provide a natural source of new plants for the following year​.

Calendula grows best in full sun but can tolerate partial shade, especially in hot climates. It prefers light, well-draining soil and requires moderate watering. While calendula is relatively drought-tolerant, regular watering will encourage more robust growth and more prolific blooming. Deadheading spent flowers can help extend the blooming period throughout the growing season​.

Plants easily self-sow the following spring. If growing more than one variety of calendula, you will need to isolate by 1/4 mile from any other calendula varieties, or you can use caging techniques. Seeds are easy to save; the heads turn brown and seeds can easily be harvested in fall. Keep in a cool, dry, dark place until next spring.