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Marigolds - Key Growing Information
SOWING: Transplant (recommended) - Sow into 72-cell flat, or preferred seedling container, 4-6 weeks before last frost, lightly covering seed. Harden off and transplant out after last frost. For flowering in packs, sow 8 weeks before desired bloom time. Direct seed - After last frost, sow 1/4" deep. Pinching encourages branching. NOTES: High temperatures can cause plants to stall, and temporarily decline in growth and bloom. Deadhead regularly to increase blooms.
LIGHT PREFERENCE: Sun.
PLANT HEIGHT: Varies.
PLANT SPACING: 8-18". French Marigold: 8-12". Gem Marigold: 12". African Marigold: 12-18".
HARDINESS ZONES: Annual.
HARVEST: Flowers are fully open but still have tight centers.
SOIL REQUIREMENTS: Average soil. Feed moderately. pH: 6.0-7.5 preferred.
USES: Beds, borders, mass plantings, containers, and window boxes. Edible flowers, cut flowers (tall varieties).
SCIENTIFIC NAME: Tagetes spp.