Help my Sunflower Seedling please

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Tink1121 Nashville, TN Sep 09, 2019

I’m completely new to gardening and planted a few dwarf sunflower seeds about a couple of weeks ago. Overnight the seed fell off and revealed one lush leaf and the other leaf shriveled with a black spot. Can this be salvaged?

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Zen_Man Ottawa, KS(Zone 5b) Oct 01, 2019

Hello Tink,

That black area looks like an infection of some sort. I suggest you use some small scissors to snip off the black area and include a little of the adjoining green area. Do you have anything that could be used to sterilize the wound? I am thinking 3% hydrogen peroxide from the drug store.

It's Fall now, with a killing frost only weeks away. What are your plans for this sunflower plant in the coming Winter?

ZM

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sophia111 Los Angeles, United States Oct 29, 2019

Hello Tink,
One of the basic tips is that these plants need to be planted in an area that gets full sunlight. It's a good idea to soak the sunflower seeds in some warm water, the night before planting them.
And it looks like infections. Maybe you have used soil from outdoors?
"Avoid using soil from outdoors, from your yard or garden bed. Impurities such as fungi, viruses, bacteria, weed seeds, and insects likely live in this soil. These may not be in amounts large enough to cause problems with your flowers and vegetables, but because microgreens and baby greens are small and delicate, they absorb nutrients more quickly and can be affected by these additional impurities". In addition - What are you going to do with sunflower plant now? They should be planted ONLY after the last frost in the area you live in/
But if you are going to grow sunflower microgreens you can use special growing kits or automatic sprouter. It will make your garden life easy.

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keithp2012 West Babylon, NY(Zone 7a) Mar 22, 2020

If the seedling was outside this wouldn’t be an issue because the baby leaves eventually fall off anyway.

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