When to Plant Cherry Tomato in Castle Rock, Washington (98611)
Location
Castle Rock, Washington
ZIP Code
98611
USDA Zone
8b
Last Frost
Sunday, March 15, 2026
📅 Planting Calendar
Pro Tip: Start Cherry Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
24" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Cherry Tomato in Castle Rock?
Get your seeds now so they're ready by Sunday, February 1, 2026.
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Other Plants for Castle Rock
Growing Cherry Tomato in Zone 8b
Cherry Tomato (Solanum lycopersicum var. cerasiforme) is a popular garden vegetable. In Castle Rock, Washington, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, February 1, 2026.
Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Cherry Tomato seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.