Marigold Growing Guide
Crop Rotation Group
Any sunny site with good drainage.
Full sun to partial afternoon shade.
None. Marigold cannot tolerate cold temperatures.
Mix a light application of a balanced organic fertiliser into the soil prior to planting.
Tomato, Cabbage, Squash, Melon, Cauliflower, Kale, Potatoes, Blackcurrant, Redcurrant and White currant. Dwarf types make good edging plants that may deter rabbits. Some varieties are known for their ability to starve out rootknot nematodes when planted as a mass.
Single Plants: 20cm (7") each way (minimum)
Rows: 20cm (7") with 20cm (7") row gap (minimum)
Sow and Plant
Sow marigolds in late spring, or set them out as bedding plants. Broadcast seed into cultivated soil so that the seeds are about 2 inches (5 cm) apart and one-half inch (1 cm) deep. Thin to 8 inches (20 cm) apart in all directions for dwarf varieties; allow 12 inches (30 cm) between very tall varieties.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
The 'Gem' marigolds (T. tenufolia) bear edible blossoms with a spicy, citrus flavor.
Marigolds make good short-stemmed cut flowers for small bouquets. Don't rush to pull up plants that stop blooming but look healthy, because they will probably come back into bloom.
Marigolds have few problems with pests or diseases. Tall varieties may need staking to keep them upright.
Planting and Harvesting Calendar
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