Plant a few grass seeds in the bucket. Water and care for the seeds as you would in your lawn. Observe the seeds' growth. If they thrive without showing signs of stress or damage, it's likely safe to proceed with planting grass seed in the treated area. Conclusion Patience is key when using Roundup to control weeds before planting grass seed. While waiting for at least seven days is a good rule of thumb, it's essential to consider factors like weather conditions, soil type, and weed size. Conducting a bucket test can provide more precise guidance on when it's safe to sow grass seed in your treated area. By following these guidelines, you can ensure the successful establishment of a healthy and vibrant lawn. https://easiergardening.com/how-long-does-it-take-for-grass-to-dry-after-rain/