When to Plant Roma Tomato in Allakaket, Alaska (99720)
Location
Allakaket, Alaska
ZIP Code
99720
USDA Zone
1a
Last Frost
Monday, June 15, 2026
📅 Planting Calendar
Start Seeds Indoors Monday, May 4, 2026
Transplant Outdoors Monday, June 29, 2026
Pro Tip: Start Roma Tomato seeds indoors 6 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Solanum lycopersicum
Days to Maturity 75 days
Mature Height 30-36"
Spread 18"
Type Determinate
Fruit Size Medium (2-3 oz)
☀️ 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
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Growing Roma Tomato in Zone 1a
Roma Tomato (Solanum lycopersicum) is a popular garden vegetable. In Allakaket, Alaska, which is in USDA Hardiness Zone 1a, you should start seeds indoors around Monday, May 4, 2026.
Your average last frost date is Monday, June 15, 2026. Plan to transplant your Roma Tomato seedlings outdoors around Monday, June 29, 2026, about 2 weeks after your last frost date.