When to plant Microgreens in Knox County, KY
For Microgreens in Knox County, the safe spring window opens around April 5 and closes around April 26. Last expected frost is April 19, first fall frost October 21, giving a 185-day growing season. A second sowing from August 12 to August 26 extends the harvest into fall.
When to Plant Microgreens in Knox County, KY
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.
Knox County, Kentucky is in USDA Zone 7a. The average last spring frost is April 19 and the first fall frost is October 21, giving you a growing season of approximately 185 days.
At an elevation of 2,802 feet, Knox County receives approximately 46.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Microgreens during the growing season.
Knox County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Microgreens Planting Timeline — Knox County, KY
Microgreens Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 15 | Mar 15 – Mar 29 |
| Transplant Outdoors | April 19 | Apr 19 – May 3 |
| Direct Sow | April 5 | Apr 5 – Apr 26 |
| Harvest | April 26 | Apr 26 – May 24 |
| Fall Sowing | August 12 | Aug 12 – Aug 26 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow Harvest |
| May | Transplant Outdoors Harvest |
| June | — |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
7–21 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
185 days in Knox County
Growing Tips for Knox County
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.
Microgreens in Other Locations
Frequently Asked Questions
When should I plant Microgreens in Knox County, KY?
Knox County is in Zone 7a with an average last frost of April 19. Plan your Microgreens planting based on this frost date — see the calendar above for exact timing.
What planting zone is Knox County, KY?
Knox County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 19 and first fall frost is October 21.
When should I plant Microgreens in Knox County, KY?
In Knox County, KY, plant Microgreens after the last frost (around April 19) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Knox County, KY for Microgreens?
Knox County sits in USDA Zone 7a. Microgreens grows reliably in zones 1a through 13b, so it's a good fit here.
Can Microgreens grow in Knox County's climate?
Yes — Microgreens grows well in Knox County's temperate climate. Knox County averages a 185-day frost-free season, with last frost around April 19 and first frost around October 21.
Your Knox County Garden Planner — Free
A 22-page printable planner built for Knox County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.