The Q&A Archives: Impatiens Seeds

Question: I have a small greenhouse and I have planted many seeds; marigolds, moss roses, straw flowers, asters etc. My impatiens seeds did not come up at all what did I do wrong? I heat my green house at night.

Answer: The most common reason for failure of impatiens seeds to germinate is planting them too deeply. The seeds require light, heat, and high humidity in order to sprout, and they are erratic in germination. Sow the seeds just on the surface of moistened seed starting mix, provide bottom heat so the seeds stay at 70F-75F degrees, and exercise some patience. Seedlings should appear in 21-30 days with the above treatment. Hope your next batch of seeds provides better success!

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