When to Plant Garlic in Island Park, Idaho (83429)
Location
Island Park, Idaho
ZIP Code
83429
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Pro Tip: Sow Garlic directly outdoors around your last frost date when soil starts to warm.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6+ hours)
💧
Water
Low to Moderate
↔️
Spacing
6" apart
🌱
Planting Depth
2" deep
Seeds typically germinate in 8-21 days
Ready to Plant Garlic in Island Park?
Get your seeds now so they're ready by Friday, May 15, 2026.
* Affiliate links — we may earn a small commission at no extra cost to you.
🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Island Park
Growing Garlic in Zone 4a
Garlic (Allium sativum) is a popular garden vegetable. In Island Park, Idaho, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, May 15, 2026.
Your average last frost date is Friday, May 15, 2026. Garlic grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.