📍 Arlington, CO · Zone 5b · Last frost Saturday, April 25, 2026
✏️ ChangeWhen to Plant Chervil in Arlington, Colorado (81021)
Location
Arlington, Colorado
ZIP Code
81021
USDA Zone
5b
Last Frost
Saturday, April 25, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Saturday, March 28, 2026
Based on last frost Saturday, April 25, 2026 · Zone 5b
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 Arlington?
Get your seeds now so they're ready by Saturday, March 28, 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 Arlington, Colorado? +
In Arlington (Zone 5b), direct sow Chervil outdoors around Saturday, March 28, 2026.
What is the last frost date for Arlington, Colorado? +
The average last spring frost date for Arlington, Colorado (ZIP 81021) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.
How long does Chervil take to grow? +
Chervil typically matures in about 50 days from direct sowing. In Arlington, that means you can expect harvest around Saturday, March 28, 2026 plus 50 days.
Should I start Chervil indoors or direct sow in Colorado? +
Chervil does best when direct sown outdoors. In Arlington, sow directly around Saturday, March 28, 2026.
📚 More Chervil Planting Guides
Other Plants for Arlington
Growing Chervil in Zone 5b
Chervil (Anthriscus cerefolium) is a popular garden vegetable. In Arlington, Colorado, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.
Your average last frost date is Saturday, April 25, 2026. Chervil grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.