Likes moderately fertile, well-drained soil and lots of sunshine 1. If the spent blossoms are deadheaded, the plants will continue to bloom profusely. Do not fertilize marigolds. Too rich a diet stimulates lush foliage at the expense of flowers. Marigolds bloom better and more profusely in poor soil 1.
Sow them directly into the garden once the soil is warm, or start seeds indoors about a month to 6 weeks before the last spring-frost date 1.
Try to aim for a seed spacing of at least 1.95 inches (5.0 cm) and sow at a depth of around 0.23 inches (0.6 cm). Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.By our calculations*, you should look at sowing African Marigold about 49 days before your last frost date .
Seed viability is five years.
These estimates for how long African Marigold takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 5 days | Min 1 days | Max 16 days (107)
Average 13 days | Min 13 days | Max 13 days (1)
Average 10 days | Min 8 days | Max 16 days (2)
Our when to plant African Marigold estimates are relative to your last frost date.
The bright petals of signet marigolds add color and a spicy tang to salads and other summer dishes 1. The flower petals are sometimes cooked with rice to impart the color (but unfortunately not the flavor) of saffron 1.
For years, farmers have included the open-pollinated African marigold ‘Crackerjack’ in chicken feed to make egg yolks a darker yellow 1.
In the late 1960s, Burpee president David Burpee launched an energetic campaign to have marigolds named the national flower, but in the end, roses won out 1.
Marigold
Tagetes erecta L.