When to Plant Kale in Indiana County, PA
Kale is an exceptionally hardy, nutrient-dense green available in curly, lacinato, and Russian varieties. It tolerates heavy frost and often tastes sweeter after cold exposure.
Indiana County, Pennsylvania is in USDA Zone 5b. The average last spring frost is May 10 and the first fall frost is October 13, giving you a growing season of approximately 156 days.
At an elevation of 450 feet, Indiana County receives approximately 41.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Kale to ensure they mature before fall.
Indiana County Soil Profile
Soil Type
Silt Loam
Soil pH
5.1-6.8
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
Kale Planting Timeline — Indiana County, PA
Kale Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 5 | Apr 5 – Apr 19 |
| Transplant Outdoors | May 10 | May 10 – May 24 |
| Direct Sow | April 26 | Apr 26 – May 17 |
| Fall Sowing | August 4 | Aug 4 – Aug 18 |
| Harvest | July 5 | Jul 5 – Aug 30 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
50–70 days
Soil pH
6 – 7.5
USDA Zone
Zone 5b
Growing Season
156 days
Growing Tips for Indiana County
Direct sow or transplant in early spring or late summer. Harvest outer leaves first to keep plants productive. Kale overwinters in many climates and can provide greens all year.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Isolate 1/2 mile from other brassicas (broccoli, cabbage, etc.) — they all cross.
Kale in Other Locations
Frequently Asked Questions
When should I plant Kale in Indiana County, PA?
Indiana County is in Zone 5b with an average last frost of May 10. Plan your Kale planting based on this frost date — see the calendar above for exact timing.
What planting zone is Indiana County, PA?
Indiana County, Pennsylvania is in USDA Hardiness Zone 5b. The average last spring frost is May 10 and first fall frost is October 13.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Indiana County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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