Are sunflower seeds good for plants?
Andrew PelEnlightened
Are sunflower seeds good for plants?
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Are sunflower seeds good for plants?
aron
Sunflower seeds, leaves and stems emit substances that inhibit the growth of certain other plants. They should be separated from potatoes and pole beans. Where sunflower seeds are regularly used as bird feed, toxins from the accumulated seed hulls eventually kill the grass below.
andrew
Don’t use it in the vegetable garden where you tend to plant seeds. Sunflower seed hulls may reduce weeds and so they should make a good mulch. Larger mature plants and shrubs are least likely to be affected by any allelochemicals, leeching into the soil.