Blog

When to Plant Strawberries in Knox County, IN

Strawberries are a beloved perennial fruit available as June-bearing, ever-bearing, and day-neutral types. They are one of the easiest fruits to grow in containers or garden beds.

Knox County, Indiana is in USDA Zone 6a. The average last spring frost is April 10 and the first fall frost is October 23, giving you a growing season of approximately 196 days.

At an elevation of 735 feet, Knox County receives approximately 38.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Strawberries during the growing season.

Knox County, IN (Zone 6a) Moderate season
196 days
Last Spring Frost April 10
196 growing days
First Fall Frost October 23

Knox County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 26 🍅 Harvest: Jul 26 – Nov 8
Recommended (50%) ✗ May not fit
Transplant: May 1 🍅 Harvest: Jul 31 – Nov 13
Safe Start (90%) ✗ May not fit
Transplant: May 15 🍅 Harvest: Aug 14 – Nov 27

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

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 290 gal / 100 sq ft
Strawberries needs ~4,152 GDD — county provides 3,577 GDD May not mature

Strawberries Planting Timeline โ€” Knox County, IN

Strawberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 1 May 1 โ€“ May 15
Harvest July 31 Jul 31 โ€“ Nov 13

ยท 12" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July Harvest
August Harvest
September Harvest
October Harvest
November Harvest
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“365 days

Soil pH

5.5 โ€“ 6.8

USDA Zone

Zone 6a

Growing Season

196 days

Growing Tips for Knox County

Plant with crowns at soil level. Remove runners the first year to strengthen plants. Mulch with straw to keep fruit clean and suppress weeds. Renovate June-bearing beds after harvest.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage
  • Broccoli

Level Up Your Garden

Frequently Asked Questions

When should I plant Strawberries in Knox County, IN?

Knox County is in Zone 6a with an average last frost of April 10. Plan your Strawberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Knox County, IN?

Knox County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 10 and first fall frost is October 23.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Knox County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Knox County, IN. Local conditions may vary. Last updated: April 2026.