When to Plant Microgreens in USDA Zone 7b
Top priorities for Zone 7b gardeners in April
A quick April briefing for Zone 7b gardeners — what's urgent, what's next, and what can wait.
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Collect microgreens at their peak
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
May prep starts now
- Starting indoors: microgreens
- First harvests: microgreens
Microgreens are young seedlings of vegetables and herbs harvested at the cotyledon or first true leaf stage. They pack concentrated flavors and nutrients in a tiny package.
In Zone 7b, the average last spring frost is around March 18 and the first fall frost is around November 8, giving you a growing season of approximately 235 days.
Microgreens Planting Timeline — Zone 7b
Where Is USDA Zone 7b?
The map below highlights the states that contain Zone 7b. Click any state to see the Microgreens planting schedule for that location.
Microgreens Planting Calendar — Zone 7b
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 11 | Feb 11 – Feb 25 |
| Transplant Outdoors | March 18 | Mar 18 – Apr 1 |
| Direct Sow | March 4 | Mar 4 – Mar 25 |
| Harvest | March 25 | Mar 25 – Apr 22 |
| Fall Sowing | August 30 | Aug 30 – Sep 13 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow Harvest |
| April | Transplant Outdoors Harvest |
| May | — |
| June | — |
| July | — |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Free Zone 7b Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7b with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
Days to Maturity
7–21 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
235 days (Zone average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 2 inches apart |
| Row Spacing | 6 inches between rows |
Succession Planting Microgreens in Zone
Sow every 0.7 weeks for continuous harvest throughout the season.
Growing Tips for Microgreens in Zone
Zone has a short growing season (~235 days). Start Microgreens indoors early and use season-extension techniques like row covers and cold frames.
Sow seeds densely on shallow trays of moist growing medium. Cover until germination, then provide light. Harvest with scissors when 1-3 inches tall. Grow year-round indoors.
Saving Microgreens 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.
Microgreens in Other Zones
Microgreens 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 Microgreens in Zone 7b?
In Zone 7b, plan your Microgreens planting around the average last frost date of March 18. Start seeds indoors around February 11. Direct sow outdoors around March 4. Transplant seedlings around March 18.
Can Microgreens grow in Zone 7b?
Yes, Microgreens can grow well in Zone 7b, hardy in USDA zones 1a through 13b. Zone 7b has a growing season of approximately 235 days, which is sufficient for Microgreens (7-21 days to maturity).
When can I harvest Microgreens in Zone 7b?
In Zone 7b, expect to harvest Microgreens from March 25 – April 22. Microgreens takes 7-21 days from planting to harvest.
What is the last frost date for Zone 7b?
The average last spring frost in Zone 7b is around March 18, and the first fall frost is around November 8. This gives a growing season of approximately 235 days. These are 50% probability dates — actual frost dates vary year to year.
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.