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When to Plant Blueberries in Hardin County, TX

Blueberries are long-lived shrubs producing sweet, antioxidant-rich berries. They require acidic soil and are attractive ornamental plants with fall color and spring flowers.

Hardin County, Texas is in USDA Zone 8b. The average last spring frost is February 14 and the first fall frost is December 4, giving you a growing season of approximately 293 days.

At an elevation of 323 feet, Hardin County receives approximately 66.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 90ยฐF, providing good warmth for Blueberries during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Blueberries will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Blueberries root diseases.

Hardin County, TX (Zone 8b) Year-round
293 days
Last Spring Frost February 14
293 growing days
First Fall Frost December 4

Hardin County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Feb 22
Recommended (50%) ✓ Fits season
Transplant: Mar 7
Safe Start (90%) ✓ Fits season
Transplant: Mar 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
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 135 gal / 100 sq ft
Blueberries needs ~15,969 GDD — county provides 5,145 GDD May not mature

Blueberries Planting Timeline โ€” Hardin County, TX

Blueberries Planting Calendar

Activity When Date Range
Transplant Outdoors March 7 Mar 7 โ€“ Mar 21

ยท 48" apart ยท Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

730โ€“1095 days

Soil pH

4.5 โ€“ 5.5

USDA Zone

Zone 8b

Growing Season

293 days

Growing Tips for Hardin County

Plant at least two varieties for cross-pollination. Acidify soil with sulfur or pine needle mulch to maintain pH 4.5-5.5. Protect ripening berries from birds with netting.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Blueberries in Hardin County, TX?

Hardin County is in Zone 8b with an average last frost of February 14. Plan your Blueberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hardin County, TX?

Hardin County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 14 and first fall frost is December 4.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hardin County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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