When to Plant Purslane in Unicoi County, TN
Purslane is a succulent edible plant rich in omega-3 fatty acids, often considered a weed but increasingly valued as a nutritious green. It has a lemony, peppery flavor.
Unicoi County, Tennessee is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 22, giving you a growing season of approximately 189 days.
At an elevation of 1,332 feet, Unicoi County receives approximately 43 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Purslane during the growing season.
Unicoi County Soil Profile
Soil Type
Silt Loam
Soil pH
5.6-6.8
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Purslane Planting Timeline — Unicoi County, TN
Purslane Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 12 | Mar 12 – Mar 26 |
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
| Direct Sow | April 2 | Apr 2 – Apr 23 |
| Fall Sowing | August 13 | Aug 13 – Aug 27 |
| Harvest | May 28 | May 28 – Jul 2 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
40–60 days
Soil pH
5.5 – 7.5
USDA Zone
Zone 6b
Growing Season
189 days
Growing Tips for Unicoi County
Direct sow after last frost or allow to self-seed. Purslane thrives in hot, dry conditions. Harvest stem tips regularly. Contains more omega-3 fatty acids than any other leafy green.
Companion Planting
Good Companions
Level Up Your Garden
Purslane in Other Locations
Frequently Asked Questions
When should I plant Purslane in Unicoi County, TN?
Unicoi County is in Zone 6b with an average last frost of April 16. Plan your Purslane planting based on this frost date — see the calendar above for exact timing.
What planting zone is Unicoi County, TN?
Unicoi County, Tennessee is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 22.
Plan Your Garden with Confidence
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