When to Plant Mustard Greens in USDA Zone 7a
Your May gardening checklist
May is a pivotal month for Zone 7a gardens. Focus on these tasks first and you'll set up the rest of the season for success.
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Time to start mustard greens inside
These need a head start before your last frost (April 15). Sow into cells now so you're ready to transplant in a few weeks.
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Basket week: mustard greens
Check every 1–2 days. Many of these get tough or go to seed if you wait too long.
June will be here before you know it — start on
- First harvests: mustard greens
Mustard greens are fast-growing brassicas with a spicy, peppery kick. They come in green, red, and purple varieties and are excellent cooked or in salads.
In Zone 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.
Mustard Greens Planting Timeline — Zone 7a
Where Is USDA Zone 7a?
The map below highlights the states that contain Zone 7a. Click any state to see the Mustard Greens planting schedule for that location.
Mustard Greens Planting Calendar — Zone 7a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 18 | Feb 18 – Mar 4 |
| Transplant Outdoors | March 25 | Mar 25 – Apr 8 |
| Direct Sow | March 11 | Mar 11 – Apr 1 |
| Harvest | April 29 | Apr 29 – Jul 1 |
| Fall Sowing | August 23 | Aug 23 – Sep 6 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow Harvest |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Free Zone 7a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
Days to Maturity
30–50 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
221 days (Zone average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 6 inches apart |
| Row Spacing | 12 inches between rows |
Succession Planting Mustard Greens in Zone
Sow every 3.4 weeks for continuous harvest throughout the season.
Growing Tips for Mustard Greens in Zone
Zone has a short growing season (~221 days). Start Mustard Greens indoors early and use season-extension techniques like row covers and cold frames.
Direct sow in early spring or fall. Harvest young leaves for milder flavor. Plants bolt quickly in heat so grow as a cool-season crop or provide shade.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
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Saving Mustard Greens Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Mustard Greens in Other Zones
Mustard Greens by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Mustard Greens in Zone 7a?
In Zone 7a, plan your Mustard Greens planting around the average last frost date of March 25. Start seeds indoors around February 18. Direct sow outdoors around March 11. Transplant seedlings around March 25.
Can Mustard Greens grow in Zone 7a?
Yes, Mustard Greens can grow well in Zone 7a, hardy in USDA zones 2a through 11b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Mustard Greens (30-50 days to maturity).
When can I harvest Mustard Greens in Zone 7a?
In Zone 7a, expect to harvest Mustard Greens from April 29 – July 1. Mustard Greens takes 30-50 days from planting to harvest.
What is the last frost date for Zone 7a?
The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Mustard Greens?
Good companion plants for Mustard Greens include Celery, Lettuce, Onion. These companions can help with pest control, pollination, and nutrient sharing.
Your Free Printable Garden Planner
A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.