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61201

Radio Calendula

1 review

This variety was introduced in the 1930s and remains a classic. The colors range from a very bright yellow to a golden-orange so that every bloom is a little sunrise. The petals are very crisply defined and almost quill-like. Plants grow close to 2 feet in height and if you keep them deadheaded they will bloom until frost.

30 seeds

 

 

PLANTING

Calendula officinalis

Annual

Germination: 7-14 days

Germination Temperature: Optimum soil temperatures 65-70ºF.

Seed Planting Depth: Sow 1/4” deep

Starting Indoors: Start indoors 6-8 weeks before the last frost. Provide 65-70ºF soil temperatures until germination. Transplant 6-12” apart after the last frost date.

Sowing Outdoors: 1-2 weeks before the last frost, sow a few seeds every 6-12". Sow every 2-3 weeks for season-long blooms. 

Spacing:  6-12”

Growth Habit:  Upright, bushy

Height and Width:  24” x 12"

Light Needs:  Full sun to part shade in hot areas

Soil Needs:  Fertile, well-drained 

Approximate days to flower from seed: 50-60 days

Uses:  Attracts pollinators, cut flowers, flower beds, containers, edible/medicinal flowers, companion plant in the vegetable garden- cucumbers, tomatoes, peas, carrots,

Care: Reseeds easily. Deadheading prolongs blooms and reduces reseeding. Pinch back to encourage a bushy growth habit. Calendulas bloom best in cooler temperatures and low humidity. If they start to decline in the hot weather, cut back and they will rebloom later in the season. They will live through light frosts and make a great late season flower.

 

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Filter Reviews:
    SC
    07/21/2020
    Steven C.
    United States United States
    Radio calendulas - large double flowers in brilliant saffron

    Excellent! Best variety of calendula I’ve seen. Strong plants and brilliant glowing saffron yellow-orange.