It is best to sow the seeds in late March when the winter has definitely receded and seeds will have a good chance of germinating in the soil. Sprouting My Marigold seeds for planting. In order to germinate successfully, seeds require several needs to be met. Marigolds are a mainstay in many gardens. Check the light requirements of your seeds before planting. The seed was old: Soil temperatures should be around 60 degrees for germination. Why are my marigolds not germinating this year? I have a heater in my seedling room, as I keep my house 68 degrees. You used old seeds. This happens when seeds are not planted deep enough and irrigation or rain washes them up from the ground and away, where they fail to germinate or catch because they are no longer in the soil. The first thing to consider is whether the seeds were viable in the first place. Marigolds can be started from seed around 4-6 weeks before the last frost date in your area and will usually germinate within 1-2 weeks. There are many reasons why seeds fail to germinate, and not all of them are your fault! Lastly, it still may be too cool for them to germinate. VeronicaFlavor 100,703 views. My marigolds germinated within 5 days. There are taller and shorter varieties, so … I'm a first timer to seeds, and just dumped marigold seeds onto the potting medium, covered with about 1/6" of medium, and gently watered. 3:02. It is possible that some seeds may have been eaten. Prevent this problem by pre-moistening your growing medium. I was shocked. Buy a packet of French Marigold seeds if you are growing them for the first time (for future seasons, you can save your own seeds). Avoid planting marigolds too early in the spring. 1. These include water, oxygen, temperature and correct levels of light. If it’s too dry, your seeds won’t germinate. Dwarf French Marigold Seeds. Growing Marigold Flowers – Sowing seeds indoors. Here’s an Amazon listing selling 5,000+ French Marigold seeds to help you get started. Asked May 11, 2019, 1:22 PM EDT ... Also, site conditions may have changed such as poor drainage and the seeds may have rotted. Otherwise, the cold soil temperatures may arrest seed germination. Once you know the things that can go wrong, these setbacks are easy to avoid. Not Enough Water. The ground may not have warmed up enough and there may even be some residual frost. Sprouting My Marigold seeds for planting. Marigolds are a cheerful flower---even the name sounds happy and sunny---so many gardeners, both beginners and pros, turn to them when planning a garden. 10. Growing MARIGOLDS from Seed - Duration: 3:02. They provide cheerful and abundant color all season long and are simple to grow from seed.If you learn how to save their seeds, you won't have to buy new plants or seeds for the next growing season. When vegetable seeds are not germinating, there are a few common problems that you should look for. 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