- Self-seeding, hardy annual
- Plants grow to 18-24 inches tall
- Blossoms are edible
- Great for container growing
(Calendula officinalis) Calendulas have been referred to as Pot Marigold for centuries. Radio was introduced to gardeners in the 1930s and is now quite hard to find. Beautiful orange flowers have quill-like edible petals. Blooms from early summer until frost. Well suited for pots. Self-seeding, hardy annual, 18-24" tall.
Learn to Grow Radio Calendula
Start Indoors: 6-8 weeks before last frost
Germination: 5-15 Days
Plant Outdoors: 6-18” Apart
Light: Sun/Partial Shade
Instructions - Sow seeds indoors 1/4" deep. Transplant outdoors after last frost. Can also be directly sown outdoors after the last frost. Prefers light well-drained soil and will tolerate dry conditions. Good cut flower. Calendula petals are edible and have a tangy slightly sweet flavor.