📍 Baton Rouge, LA · Zone 9a · Last frost Friday, February 20, 2026
✏️ ChangeWhen to Plant Dill in Baton Rouge, Louisiana (70821)
Location
Baton Rouge, Louisiana
ZIP Code
70821
USDA Zone
9a
Last Frost
Friday, February 20, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Friday, January 23, 2026
Based on last frost Friday, February 20, 2026 · Zone 9a
Pro tip: Sow Dill directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Moderate
↔️
Spacing
12" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Dill in Baton Rouge?
Get your seeds now so they're ready by Friday, January 23, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Dill
See which plants help Dill thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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Common Dill Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Mammoth
Tall, vigorous dill growing to 5 feet; maximum seed production for pickling.
Fernleaf
Compact dwarf variety ideal for containers and small gardens; slow to bolt.
Bouquet
Most popular all-purpose variety with abundant seeds and tender leaves for fresh use.
Dukat
Scandinavian variety with extra-dark foliage and superior leaf flavor; slower bolting.
🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Allow seed heads to fully mature and turn brown. Harvest before they shatter.
Processing
Cut entire seed head into a paper bag, allow to dry, shake out seeds.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Dill cross-pollinates with fennel — keep at least 150 feet apart or sacrifice one species for seed purity.
Raised Bed Planting Guides
A 4×8 bed fits 32 plants of Dill. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Dill in Baton Rouge, Louisiana? +
In Baton Rouge (Zone 9a), direct sow Dill outdoors around Friday, January 23, 2026.
What is the last frost date for Baton Rouge, Louisiana? +
The average last spring frost date for Baton Rouge, Louisiana (ZIP 70821) is around Friday, February 20, 2026. This is based on NOAA climate normals for USDA Zone 9a.
How long does Dill take to grow? +
Dill typically matures in about 40 days from direct sowing. In Baton Rouge, that means you can expect harvest around Friday, January 23, 2026 plus 40 days.
Should I start Dill indoors or direct sow in Louisiana? +
Dill does best when direct sown outdoors. In Baton Rouge, sow directly around Friday, January 23, 2026.
Other Plants for Baton Rouge
Growing Dill in Zone 9a
Dill (Anethum graveolens) is a popular garden vegetable. In Baton Rouge, Louisiana, which is in USDA Hardiness Zone 9a, you should direct sow seeds around Friday, January 23, 2026.
Your average last frost date is Friday, February 20, 2026. Dill grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.