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USDA hardiness zone by ZIP

USDA hardiness zone for ZIP 78701 (Austin)

ZIP 78701 is USDA hardiness zone 8b; use the Austin frost station's Mar 5 last frost and Nov 20 first frost to turn that zone into a planting calendar.

Source: austin-bergstrom frost station, USDA zone 8b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

ZIP 78701 is in USDA hardiness zone 8b. For vegetables, the zone is useful context, but frost dates decide the actual planting window.

Use the ZIP calendar to turn the zone into crop-specific dates.

Planting calendars in zone 8b

Austin, TX · Zone 8b Tomatoes Mar 12 Open answer · last frost Mar 5 Austin, TX · Zone 8b Peppers Mar 19 Open answer · last frost Mar 5 Austin, TX · Zone 8b Basil Mar 15 Open answer · last frost Mar 5 Austin, TX · Zone 8b Carrots Feb 12 Open answer · last frost Mar 5 Austin, TX · Zone 8b Lettuce Feb 19 Open answer · last frost Mar 5 Austin, TX · Zone 8b Cucumbers Mar 15 Open answer · last frost Mar 5 Austin, TX · Zone 8b Zucchini Mar 15 Open answer · last frost Mar 5 Austin, TX · Zone 8b Cilantro Feb 19 Open answer · last frost Mar 5 Austin, TX · Zone 8b Bush beans Mar 12 Open answer · last frost Mar 5 Austin, TX · Zone 8b Spinach Feb 5 Open answer · last frost Mar 5 Austin, TX · Zone 8b Radishes Feb 5 Open answer · last frost Mar 5 Austin, TX · Zone 8b Kale Feb 19 Open answer · last frost Mar 5 Austin, TX · Zone 8b Watermelon Mar 19 Open answer · last frost Mar 5