When can I allow my kids and pets on my grass after fertilizer application? January 02, 2020 22:45 Updated Follow We suggest waiting until Sunday products dry, or 24 hours, before allowing kids and pets to re-enter your lawn. Related articles Are Sunday products safe for my kids and pets? Are Sunday products bee and pollinator safe? When should I apply with rain in the forecast? Is Sunday safe to use after seeding or over seeding? I have a weed problem - is Sunday right for me?