📍 Beaumont, TX · Zone 9a · Last frost Friday, February 20, 2026
✏️ ChangeWhen to Plant Rosemary in Beaumont, Texas (77708)
Location
Beaumont, Texas
ZIP Code
77708
USDA Zone
9a
Last Frost
Friday, February 20, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Friday, December 12, 2025
Transplant Outdoors
Friday, March 6, 2026
Based on last frost Friday, February 20, 2026 · Zone 9a
Pro tip: Start Rosemary seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, March 6, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6+ hours)
💧
Water
Low (drought tolerant)
↔️
Spacing
24" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 14-21 days
Ready to Plant Rosemary in Beaumont?
Get your seeds now so they're ready by Friday, December 12, 2025.
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🤝 Good Companions
Full Companion Planting Guide for Rosemary
See which plants help Rosemary thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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Common Rosemary Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Tuscan Blue
Vigorous upright rosemary with large, intensely fragrant leaves — excellent for cooking.
Arp
One of the most cold-hardy rosemaries, surviving to Zone 6 with protection.
Blue Spires
Tall, upright variety with blue-toned flowers; fragrant and great for hedges.
Prostrate (Irene)
Low-growing trailing rosemary that cascades over walls and containers beautifully.
🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Collect seeds from dried flower clusters in late summer after flowering.
Processing
Strip dried flower clusters, separate seeds from chaff. Surface sow — seeds need light to germinate.
Seed Viability
Up to 2 years when stored cool, dark, and dry.
Pro Tip
Rosemary seed germination rates are low (20–30%). Stem cuttings give far more reliable results.
Raised Bed Planting Guides
A 4×8 bed fits 8 plants of Rosemary. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Rosemary in Beaumont, Texas? +
In Beaumont (Zone 9a), start Rosemary seeds indoors around Friday, December 12, 2025 and transplant outdoors around Friday, March 6, 2026.
What is the last frost date for Beaumont, Texas? +
The average last spring frost date for Beaumont, Texas (ZIP 77708) is around Friday, February 20, 2026. This is based on NOAA climate normals for USDA Zone 9a.
How long does Rosemary take to grow? +
Rosemary typically matures in about 120 days from transplanting. In Beaumont, that means you can expect harvest around Friday, March 6, 2026 plus 120 days.
Should I start Rosemary indoors or direct sow in Texas? +
Rosemary should be started indoors 10 weeks before your last frost date. In Beaumont, that means starting around Friday, December 12, 2025.
📚 More Rosemary Planting Guides
Other Plants for Beaumont
Growing Rosemary in Zone 9a
Rosemary (Salvia rosmarinus) is a popular garden vegetable. In Beaumont, Texas, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, December 12, 2025.
Your average last frost date is Friday, February 20, 2026. Plan to transplant your Rosemary seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.