2025 Weekly Seed Starting Timeline (USDA Zones 5/6)

Written By The Black Thumb Gardener

Stay on track with your garden this year using my personal 2025 Weekly Seed Starting Timeline! Created specifically for USDA Zones 5 and 6, this guide reflects the schedule I’m following to start seeds indoors and outdoors. Whether you are new to gardening or just need a reference, this timeline can help you get a jump start on a successful growing season.

The Black Thumb Gardener
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