🧄 Can I Plant Garlic in Des Moines, IA?

2026 planting guide for Zone 5b · Last frost ~April 28 · Growing season ~169 days

⏳ WAIT — Too late to harvest before first frost (~Nov 14)

Garlic needs at least 240 days to harvest, but there are only ~151 days before the average first fall frost around Nov 14. Wait until next spring for best results.

Planting window: Oct 21 – Nov 4 (next spring)
Skip this season. Plan to start garlic again around Oct 21 next spring.
Live result based on current forecast for Des Moines, IA · Updates every 6 hours
USDA Zone
5b
Last Spring Frost
~April 28
First Fall Frost
October 14
Growing Season
~169 days
Ideal Temp for Garlic
35–70°F
Frost Risk
✅ Tolerant

Growing Garlic in Des Moines

Des Moines's Zone 5b Great Plains climate offers about 168 frost-free days. Iowa's legendary agricultural soils — some of the richest in the world — make home vegetable gardening naturally productive. Warm-season crops need indoor starts in late March, with transplanting in late April or early May. The warm, sunny Midwestern summers accelerate growth once established, and the rich loam soils support impressive vegetable yields.

In Des Moines (last frost around April 28), garlic can go out around December — approximately 20 weeks before the last expected frost, making it an early-season opportunity.

Garlic thrives between 35°F and 70°F. It tolerates temperatures as low as 20°F, making it a candidate for early spring planting before the last frost date. Expect 240–270 days from transplant to first harvest. Plant in fall, harvest next summer.

Frequently Asked Questions

When can I plant garlic in Des Moines, IA?

In Des Moines (last frost around April 28), garlic can go out around December — approximately 20 weeks before the last expected frost, making it an early-season opportunity.

What is the USDA hardiness zone for Des Moines?

Des Moines, IA is in USDA Plant Hardiness Zone 5b. The last expected spring frost is around April 28, and the first fall frost arrives around October 14. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.

Is it safe to plant garlic outside in Des Moines right now?

That depends on the current weather forecast. Garlic needs temperatures above 20°F (ideally 35–70°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.

Can I grow garlic in Des Moines 2026?

Yes — Garlic grows well in Des Moines, IA. With a Zone 5b climate and a growing season of ~169 days, Des Moines is well-suited for cool-season crops like garlic. As a frost-tolerant crop, garlic can even go out a few weeks before the last frost date.

Grow Garlic in Other Cities

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