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 flat or preferred seedling container 4-6 weeks before planting out, lightly covering seed. Transplant out after danger of frost. For flowering in packs, sow 8 weeks before desired bloom time. Direct seed - 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.

Marigold