Marigolds - Key Growing Information

A bouquet of marigolds, workhorse of the cut-flower garden, also prized for their allelopathic qualities.
DAYS TO GERMINATION: 4-7 days at 75-80°F (24-27°C)

SOWING: Transplant (recommended) - Sow into 72-cell flats 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.