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When to Plant Rosemary in West Feliciana Parish, LA

Rosemary is an aromatic evergreen shrub with needle-like leaves and a piney, citrus flavor. It is a Mediterranean herb that thrives in warm, dry conditions.

West Feliciana Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 21 and the first fall frost is November 26, giving you a growing season of approximately 278 days.

At an elevation of 225 feet, West Feliciana Parish receives approximately 60.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Rosemary may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Rosemary will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Rosemary root diseases.

West Feliciana Parish, LA (Zone 8b) Year-round
278 days
Last Spring Frost February 21
278 growing days
First Fall Frost November 26

West Feliciana Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

5.1-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (48 days to spare)
Transplant: Feb 20 🍅 Harvest: May 15 – Oct 2
Recommended (50%) ✓ Fits season (47 days to spare)
Transplant: Feb 28 🍅 Harvest: May 23 – Oct 10
Safe Start (90%) ✓ Fits season (48 days to spare)
Transplant: Mar 18 🍅 Harvest: Jun 10 – Oct 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.

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
Rosemary needs ~2,860 GDD — county provides 6,138 GDD Excellent fit

Rosemary Planting Timeline โ€” West Feliciana Parish, LA

Rosemary Planting Calendar

Activity When Date Range
Transplant Outdoors February 28 Feb 28 โ€“ Mar 14
Harvest May 23 May 23 โ€“ Oct 10

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

80โ€“180 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8b

Growing Season

278 days

Growing Tips for West Feliciana Parish

Grow in well-drained soil and avoid overwatering. In cold climates, grow in containers and bring indoors for winter. Propagate from stem cuttings for faster results than seed.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Rosemary in West Feliciana Parish, LA?

West Feliciana Parish is in Zone 8b with an average last frost of February 21. Plan your Rosemary planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is West Feliciana Parish, LA?

West Feliciana Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 21 and first fall frost is November 26.

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Plan Your Garden with Confidence

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