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When to Plant Blueberries in Rockwall County, TX

Blueberries

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.

Rockwall County, Texas is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 20, giving you a growing season of approximately 256 days.

At an elevation of 74 feet, Rockwall County receives approximately 71.3 inches of rainfall annually with predominantly clay soil. Summer highs average 91°F, providing good warmth for Blueberries during the growing season. Clay soil retains moisture well for Blueberries, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Blueberries root diseases.

Rockwall County, TX (Zone 8b) Long season
256 days
Last Spring Frost March 9
256 growing days
First Fall Frost November 20

Rockwall County Soil Profile

Soil Type

Clay

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Blueberries to Grow

5-10 lbs
Average yield per plant
2
Plants per person
4 sq ft
Space per person

For a family of 4, plant approximately 8 blueberries plants in about 16 sq ft. In Rockwall County's 256-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Blueberries Planting Timeline — Rockwall County, TX

Blueberries Planting Calendar

Activity When Date Range
Transplant Outdoors March 30 Mar 30 – Apr 13

· 48" apart · Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 4.5–5.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

256 days in Rockwall County

Growing Tips for Rockwall 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Blueberries in Rockwall County, TX?

Rockwall County is in Zone 8b with an average last frost of March 9. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rockwall County, TX?

Rockwall County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 20.

🌱

Your Rockwall County Garden Planner — Free

A 22-page printable planner built for Rockwall County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.