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Is Sunday fertilizer safe to use before or after overseeding
Sunday fertilizers are pesticide-free, so they're safe to use before or after seeding and patching your lawn.
For best results, seed first and wait for about 60% of the grass to sprout—usually around three weeks—before applying nutrients. This ensures new seedlings can absorb them effectively.
Keep in mind, nutrients alone won't prepare bare soil for new growth, and the fertilizer pouches themselves do not contain seed.