How Long To Grow Marigolds From Seeds. How to plant marigold seeds. So the exact time to bloom marigold after planting may vary.
If you are looking to grow marigolds indoors to get some early flowering outside, you will want to start sowing approximately 50 days before the last frost date. Sow the seed thinly in patches or rows, 1cm deep,. If your soil is very heavy or drains slowly, work some sand or peat moss into it to improve drainage.
Sow the seed thinly in patches or rows, 1cm deep,.
How to plant marigold seeds. Generally, soil that holds puddles for more than five hours needs to be amended for better drainage. By the time marigolds are fully grown and mature you likely won’t have to worry about the cold affecting your plants. Tenuifolia ) often flower in just 60 days, depending on the variety.