Calendula officinalis. Semi-double flowers glow in warm apricot, cream, gold, and shades of yellow offering a brilliant range of coloured blooms. Pacific Beauty Organic have long stems, excellent for cutting. Sun or partial shade works well for these bright annual flowers. Tear the edible petals off and sprinkle them over summer meals. Most Calendula varieties require little care once established, so they are a good candidate for xeriscaping. While they may self sow, they are easy to control, so will not become weedy. Deadhead spent flowers for the tidiest look. This blend grows 30-60cm (12-24″) tall.
How to Grow Calendula
Annual flowers also known as English marigolds or pot marigolds. Calendula repels a number of bad nematodes in the soil, but may attract slugs. Plant with tomatoes and asparagus. Follow along with this handy How to Grow Calendula Guide and grow some sunshine in your garden this summer.
Season & Zone
Exposure: Full sun to partial shade
Direct sow in early spring (around the end of February on the coast), when light frost is still a possibility and continue to sow until early summer for fall flowers. Calendula is easiest from direct sowing, but can also be started indoors late February to mid-March for transplanting in April. If starting indoors, maintain darkness and a soil temperature of 21°C (70°F) until germination occurs in 6-14 days, and then supply bright light to keep seedlings compact. Or direct sow in early autumn in Zones 8-10.
Sow seeds 5mm (¼”) deep, and aim for a spacing of 15-45cm (6-18″) between plants.
Calendula grows easily in any regular garden soil, and thrives in a pH range of 5.5-7.0. Pinch back young plants to encourage bushy growth. Occasional feeding is rewarded, but unnecessary. Keep plants watered, but try to avoid overhead watering as plants are susceptible to mildew. Deadhead regularly to prevent self-sowing.
Calendula repels a number of bad nematodes in the soil, but may attract slugs. Plant with tomatoes and asparagus.
More on Companion Planting.
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