🥬 Can I Plant Mustard Greens in Des Moines, IA?

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

✅ YES — Good temps, but watch for heat — highs near 84°F

Temperature conditions are suitable for Mustard Greens. Highs near 84°F are on the warm side — make sure plants have plenty of water. The season is running warmer than normal, which has opened this window earlier than usual.

Planting window: May 13 – May 27
Good to go — plant now while conditions are right.
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 Mustard Greens
40–65°F
Frost Risk
✅ Tolerant

Growing Mustard Greens 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), mustard greens can go out around March — approximately 6 weeks before the last expected frost, making it an early-season opportunity.

Mustard Greens thrives between 40°F and 65°F. It tolerates temperatures as low as 25°F, making it a candidate for early spring planting before the last frost date. Expect 25–45 days from transplant to first harvest. Fast-growing cool-season green. Bolts in heat.

Frequently Asked Questions

When can I plant mustard greens in Des Moines, IA?

In Des Moines (last frost around April 28), mustard greens can go out around March — approximately 6 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 mustard greens outside in Des Moines right now?

That depends on the current weather forecast. Mustard Greens needs temperatures above 25°F (ideally 40–65°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 mustard greens in Des Moines 2026?

Yes — Mustard Greens 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 mustard greens. As a frost-tolerant crop, mustard greens can even go out a few weeks before the last frost date.

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