📍 Mesa, AZ · Zone 9b · Last frost Tuesday, February 10, 2026
✏️ ChangeWhen to Plant Chervil in Mesa, Arizona (85213)
Location
Mesa, Arizona
ZIP Code
85213
USDA Zone
9b
Last Frost
Tuesday, February 10, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Tuesday, January 13, 2026
Based on last frost Tuesday, February 10, 2026 · Zone 9b
Pro tip: Sow Chervil directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Partial Shade (3-4 hours)
💧
Water
Moderate (1 inch/week)
↔️
Spacing
9" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Chervil in Mesa?
Get your seeds now so they're ready by Tuesday, January 13, 2026.
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🤝 Good Companions
Full Companion Planting Guide for Chervil
See which plants help Chervil thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Harvest seed heads when dry and light tan — they shatter quickly.
Processing
Cut into a bag, dry briefly, shake to release needle-like seeds.
Seed Viability
Up to 2 years when stored cool, dark, and dry.
Pro Tip
Chervil is best sown fresh — seed viability drops significantly after 1 year.
Raised Bed Planting Guides
A 4×8 bed fits 56 plants of Chervil. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Chervil in Mesa, Arizona? +
In Mesa (Zone 9b), direct sow Chervil outdoors around Tuesday, January 13, 2026.
What is the last frost date for Mesa, Arizona? +
The average last spring frost date for Mesa, Arizona (ZIP 85213) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.
How long does Chervil take to grow? +
Chervil typically matures in about 50 days from direct sowing. In Mesa, that means you can expect harvest around Tuesday, January 13, 2026 plus 50 days.
Should I start Chervil indoors or direct sow in Arizona? +
Chervil does best when direct sown outdoors. In Mesa, sow directly around Tuesday, January 13, 2026.
📚 More Chervil Planting Guides
Other Plants for Mesa
Growing Chervil in Zone 9b
Chervil (Anthriscus cerefolium) is a popular garden vegetable. In Mesa, Arizona, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, January 13, 2026.
Your average last frost date is Tuesday, February 10, 2026. Chervil grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.