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When to Plant Blueberries in Delta 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.

Delta County, Texas is in USDA Zone 8b. The average last spring frost is March 15 and the first fall frost is November 15, giving you a growing season of approximately 245 days.

At an elevation of 235 feet, Delta County receives approximately 70.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91°F, providing good warmth for Blueberries during the growing season. Sandy soil warms quickly in spring — great for early planting — 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.

Delta County, TX (Zone 8b) Long season
245 days
Last Spring Frost March 15
245 growing days
First Fall Frost November 15

Delta County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.4-6.8

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 Delta County's 245-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Blueberries

Blueberries needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Blueberries Needs Rainfall You Supplement Action
Jan 1.8" 0" ❄️ Dormant
Feb 2.7" 0" ❄️ Dormant
Mar 4.3" 4.1" 0.2" 💧 Light watering
Apr 4.3" 6.8" 0" ✅ Rainfall sufficient
May 4.3" 10.6" 0" ✅ Rainfall sufficient
Jun 4.3" 11.2" 0" ✅ Rainfall sufficient
Jul 4.3" 8.2" 0" ✅ Rainfall sufficient
Aug 4.3" 9.9" 0" ✅ Rainfall sufficient
Sep 4.3" 6.7" 0" ✅ Rainfall sufficient
Oct 4.3" 4.6" 0" ✅ Rainfall sufficient
Nov 4.3" 2.3" 2" 💧 Light watering
Dec 2" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Delta County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Blueberries Planting Timeline — Delta County, TX

Blueberries Planting Calendar

Activity When Date Range
Transplant Outdoors April 5 Apr 5 – Apr 19

· 48" apart · Rows 72" apart

Month-by-Month Timeline

MonthActivities
January
February
March
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

245 days in Delta County

Growing Tips for Delta 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 Delta County, TX?

Delta County is in Zone 8b with an average last frost of March 15. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Delta County, TX?

Delta County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 15 and first fall frost is November 15.

🌱

Your Delta County Garden Planner — Free

A 22-page printable planner built for Delta 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 Delta County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

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