germination time: 7 days Germination temp. Pre-culture: not necessary, but possible. It is important to water the young marigold seedlings from below. Many gardeners are looking for solutions to garden pest problems that are non-toxic and earth-friendly. Germination time: 10 to 15 days. When putting out into the garden space small marigold varieties about 15 cm apart; medium species 30 cm apart; and large marigolds from 45 to 60 cm apart. Germination was low and it is growing slower than the others. African Marigold by D.A.L. Either mix in slow-acting granular fertilizer at planting time or plan to water in diluted liquid fertilizer periodically. They will put on the best show all summer and into fall. Planting the seeds at the right time ensures you get the longest season possible from these flowering annuals. Germination of marigold takes from three days to two weeks and should be done at about 20 to 24 degrees centigrade. They are virtually fool-proof, so even first-time gardeners can trust their marigold show will be abundant and something to be proud of. Some sprout in early spring in the cold, others in the middle of the summer when it's hot. Then thoroughly water each plant. Remove spent blooms to promote continuous blooms during the growing season. Flowers are yellow, orange or red depending on the variety. Seed germination did not occur in 40 oC, but was determined 91% in 13 oC. Plant marigolds in containers in a soilless potting medium. Marigold & Companion Plants Importance. Marigolds supply the garden with summer-long colour. The seeds germinate quickly and begin flowering in as little as six weeks. Yes I did check for firmness and they all were firm, I even opened one up to see a fleshy white embryo inside. Seed distance: about 25 x 25 cm (10×10 inches) Cultivation. Water and fertilize marigolds the same time you water and care for your vegetable garden. Marigolds do not bloom year-round, but with proper care, some varieties can bloom for several months. The cultivation of marigold on the balcony or terrace is possible. Location: open land and balcony possible. Set each marigold plant in a hole the size of its rootball and firm soil gently over the roots for support. We get a lot of questions about why your seedlings didn't sprout. | Quote | Post #1992405 (10) Name: Keith Long Island, NY (Zone 7a) keithp2012 Jun 7, 2019 12:24 AM CST. The mean germination time of 16 days at 13 oC in parallel to the increase in the temperature was shortened. All vegetables are different and sprout in different conditions. Germination Temperatures and Times; Germination Temperatures and Times. Marigolds are a hardy, bright, easy-to-grow plant. When to sow outdoors: after last spring frost Other Sowing Guidelines... Approx. The seeds were planted on top of the soil to get plenty of light, I do that for all my marigolds. Ideal are balconies in a southern location, which have a daily sunshine duration of at least 4 hours. A 5-10-5 works fine.

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