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When to Plant Lavender in Rapides Parish, LA

Lavender is a fragrant perennial herb with silvery foliage and purple flower spikes. It is prized for its essential oils, culinary uses, and ornamental beauty.

Rapides Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 16, giving you a growing season of approximately 256 days.

At an elevation of 388 feet, Rapides Parish receives approximately 54.4 inches of rainfall annually with predominantly loam soil. Summer highs average 91ยฐF, providing good warmth for Lavender during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lavender root diseases.

Rapides Parish, LA (Zone 8b) Long season
256 days
Last Spring Frost March 5
256 growing days
First Fall Frost November 16

Rapides Parish Soil Profile

Soil Type

Loam

Soil pH

5.9-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (10 days to spare)
Transplant: Mar 1 🍅 Harvest: May 31 – Nov 1
Recommended (50%) ✓ Fits season (4 days to spare)
Transplant: Mar 12 🍅 Harvest: Jun 11 – Nov 12
Safe Start (90%) ✓ Fits season (0 days to spare)
Transplant: Apr 13 🍅 Harvest: Jul 13 – Dec 14

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
0.5″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Lavender needs ~2,646 GDD — county provides 4,672 GDD Excellent fit

Lavender Planting Timeline โ€” Rapides Parish, LA

Lavender Planting Calendar

Activity When Date Range
Transplant Outdoors March 12 Mar 12 โ€“ Mar 26
Harvest June 11 Jun 11 โ€“ Nov 12

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

90โ€“200 days

Soil pH

6.5 โ€“ 8

USDA Zone

Zone 8b

Growing Season

256 days

Growing Tips for Rapides Parish

Plant in well-drained, sandy soil. Avoid heavy mulching around the crown. Prune after flowering but do not cut into old wood. Lavender resents wet winter conditions.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Lavender in Rapides Parish, LA?

Rapides Parish is in Zone 8b with an average last frost of March 5. Plan your Lavender planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Rapides Parish, LA?

Rapides Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 16.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Rapides Parish 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 Rapides Parish, LA. Local conditions may vary. Last updated: April 2026.