Compost Shells Of Sunflower Bird Seed - Knowledgebase Question

Forset Hills, NY
Question by jeca
June 4, 2000
Can I put the shells of the sunflower seeds which I feed my birds in my compost pile?

Answer from NGA
June 4, 2000


Sunflower seed hulls are somewhat allelopathic, meaning they may inhibit the growth of some other plants. In my experience a small quantity in the compost pile does no harm, but I would hesitate to add a disproportionate amount of them at a time. Do be sure too that the compost is well processed and "finished" before applying it to the garden. This should help ensure that the chemicals in the hulls are well dispersed.

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