Frost dates · Hardiness zones · Plant-by-plant timing
Know your planting window.
Enter your last frost date and a crop below. We show a real start-seeds and transplant window, sourced from a university extension guide, not a guess.
Latest guides
All guidesWhen to Harvest Garlic: Signs and Dates (2026)
Garlic is ready when the lower leaves brown and half the upper leaves stay green. What three extension services say, how to test a bulb, and how to cure it.
When to Plant Garlic in Zones 7-8 (2026)
Garlic goes in during October in the South, mulched in late fall and harvested in early summer. Spacing, mulch depth and types to avoid, with a source.
When to Plant Garlic in Zones 9-10 (2026)
In Florida, garlic goes in from late fall through early winter. Softneck types like Artichoke and Creole suit mild winters. See how it differs from cold states.
When to Plant Strawberries in Zones 7-8 (2026)
Spring or fall? When to set out strawberry plants in USDA zones 7-8, how the two planting systems differ, and the bed spacing to use, with a named source.
When to Plant Strawberries in Zones 9-10 (2026)
In Florida strawberries go in during fall, not spring, and the window moves with your region. Dates for North, Central and South Florida, with a named source.
When to Seed a Lawn in Zones 7-8 (2026)
Zones 7-8 grow both warm-season and cool-season lawns, and each has its own seeding window. Dates, soil-test timing and the seeding method, with a named source.
Choose your zone
Guides are grouped by USDA Plant Hardiness Zone band, since frost timing tracks climate, not state lines.
Zones 3-4
Coming soon.
Zones 5-6
Planting guides for this zone band.
Zones 7-8
Planting guides for this zone band.
Zones 9-10
Planting guides for this zone band.
Zones 11-13
Coming soon.
Sourced, not guessed
Every window traces to a named university extension guide or public climate dataset.
Dated
Each guide shows the date we last compared it with its sources. How we work
Independent
Not an extension office. We link to the source so you can double-check.