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When to Plant Blueberries in Ouachita Parish, LA

Ouachita Parish, Louisiana Zone 8a April

Your April planting checklist for Ouachita Parish, Louisiana

If you only do a handful of things in the garden this April, make it these. They're sequenced around your zone's frost timing.

Avg. last frost March 10
Avg. first frost November 12
Soil temp (4") 62°F
Watering Low
Pest pressure High
Daylight 12.8 hrs

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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.

Ouachita Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 10 and the first fall frost is November 12, giving you a growing season of approximately 247 days.

At an elevation of 340 feet, Ouachita Parish receives approximately 53.7 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Blueberries during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Blueberries root diseases.

Ouachita Parish, LA (Zone 8a) Long season
247 days
Last Spring Frost March 10
247 growing days
First Fall Frost November 12

Ouachita Parish Soil Profile

Soil Type

Loam

Soil pH

6.3-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Mar 25
Recommended (50%) ✓ Fits season
Transplant: Mar 31
Safe Start (90%) ✓ Fits season
Transplant: Apr 28

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.

Soil Compatibility in Ouachita Parish

How your county's soil matches Blueberries's growing requirements.

Soil pH

Your soil pH (6.3–6.8) is more alkaline than Blueberries prefers (4.5–5.5). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Ouachita Parish is excellent for Blueberries — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Blueberries.

How to Plant Blueberries

48"
Between Plants
72"
Between Rows

How Much Blueberries to Grow

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

For a family of 4, plant approximately 8 blueberries plants in about 192 sq ft. In Ouachita Parish's 247-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Plant Water Budget

Plant needs
1.2″/week
Rainfall provides
0.9″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 631 gal / 100 sq ft

Monthly Watering Guide for Blueberries

Blueberries needs approximately 1.2 inches of water per week (5.2" per month). Here's how your county's rainfall compares month by month.

Month Blueberries Needs Rainfall You Supplement Action
Jan 5.1" 0" ❄️ Dormant
Feb 4.9" 0" ❄️ Dormant
Mar 5.2" 4.4" 0.8" 💧 Light watering
Apr 5.2" 4" 1.2" 💧 Light watering
May 5.2" 4.8" 0.4" 💧 Light watering
Jun 5.2" 5" 0.2" 💧 Light watering
Jul 5.2" 5" 0.2" 💧 Light watering
Aug 5.2" 4.9" 0.3" 💧 Light watering
Sep 5.2" 3.6" 1.6" 💧 Light watering
Oct 5.2" 3.6" 1.6" 💧 Light watering
Nov 5.2" 4.2" 1" 💧 Light watering
Dec 4.4" 0" ❄️ Dormant

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

Blueberries Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Blueberries needs ~17,338 GDD — county provides 4,693 GDD May not mature

Blueberries Planting Timeline — Ouachita Parish, LA

Blueberries Planting Calendar

Activity When Date Range
Transplant Outdoors March 31 Mar 31 – Apr 14

· 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

1.2"/week · Only during dry spells

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 4.5–5.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

247 days in Ouachita Parish

Growing Tips for Blueberries in Ouachita Parish

Direct sow Blueberries outdoors after March 10 in Ouachita Parish when soil has warmed and frost danger has passed.

Your 247.0-day growing season in Ouachita Parish is tight for Blueberries (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.

General growing tips

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 Ouachita Parish, LA?

Ouachita Parish is in Zone 8a with an average last frost of March 10. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ouachita Parish, LA?

Ouachita Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 10 and first fall frost is November 12.

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Your Ouachita Parish Garden Planner — Free

A 24-page printable planner built for Ouachita Parish (Zone 8a). 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 Ouachita Parish, LA. Local conditions may vary. Last updated: April 2026.

Sources & credits

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