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Calendula officinalis Radio Extra Selected |
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Calendula officinalis Sherbet Fizz |
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Calendula officinalis Porcupine |
One of the most outstanding, uniform cut flowers. Blooms have a 'touch of red' giving an almost antique look.
| Sowing time: | sow indoors spring 6-8 weeks before last frost or sow outdoors early spring or late autumn zones 3-7; fall only zones 8-10 |
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| Sowing depth: | cover seed with its own depth of soil and exclude light. |
Sow 1/2 in deep in trays, pots, etc of good seed sowing mix in a propagator or warm place to maintain an optimum temperature of 65-70F (18-20C).
The seed can also be sown outdoors where it is to flower in early to mid spring or late autumn zones 3-7; fall only zones 8-10.
Transplant seedlings when large enough to handle. Harden off and plant out when all risk of frost has passed 30cm (12in) apart in full sun or part shade in ordinary garden soil.