When to plant Chervil in Foothill Ranch, CA
Foothill Ranch gardeners should plant Chervil between January 23 and February 13 in spring. With Foothill Ranch's Zone 10b climate (last frost February 13), Chervil needs 40–60 days to mature — plant by October 12 for a full harvest. A second sowing from October 16 to October 30 extends the harvest into fall.
When to Plant Chervil in Foothill Ranch, CA
Chervil is a delicate herb with a subtle anise-parsley flavor, essential in French cuisine as part of fines herbes. It prefers cool conditions and partial shade.
Foothill Ranch, California is in USDA Zone 10b. The average last spring frost is February 13 and the first fall frost is December 11, giving you a growing season of approximately 301 days.
At an elevation of 405 feet, Orange County receives approximately 13.8 inches of rainfall annually with predominantly loam soil. Summer highs average 88°F, providing good warmth for Chervil during the growing season. With low rainfall, drip irrigation is essential for growing Chervil successfully. Mulch heavily to conserve soil moisture.
Foothill Ranch Soil Profile
Soil Type
Loam
Soil pH
5.7-7.6
Drainage
Well Drained
Monthly Watering Guide for Chervil
Chervil needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Chervil Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.4" | 0" | ❄️ Dormant |
| Feb | 4.3" | 2.6" | 1.7" | 💧 Light watering |
| Mar | 4.3" | 2.2" | 2.1" | 💧 Light watering |
| Apr | 4.3" | 1.1" | 3.2" | 🚿 Regular watering |
| May | 4.3" | 0.4" | 3.9" | 🚿 Regular watering |
| Jun | 4.3" | 0.1" | 4.2" | 🚿 Regular watering |
| Jul | 4.3" | 0" | 4.3" | 🚿 Regular watering |
| Aug | 4.3" | 0" | 4.3" | 🚿 Regular watering |
| Sep | 4.3" | 0.2" | 4.1" | 🚿 Regular watering |
| Oct | 4.3" | 0.7" | 3.6" | 🚿 Regular watering |
| Nov | 4.3" | 1.5" | 2.8" | 🚿 Regular watering |
| Dec | 4.3" | 2.7" | 1.6" | 💧 Light watering |
Water needs are for active growing months only (Feb–Dec in Orange County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Chervil Planting Timeline — Foothill Ranch, CA
Chervil Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 16 | Jan 16 – Jan 30 |
| Transplant Outdoors | February 6 | Feb 6 – Feb 20 |
| Direct Sow | January 23 | Jan 23 – Feb 13 |
| Harvest | March 20 | Mar 20 – May 22 |
| Fall Sowing | October 16 | Oct 16 – Oct 30 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
40–60 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 10b
📆 Growing Season
301 days in Orange County
Growing Tips for Foothill Ranch
Direct sow in early spring or fall as chervil bolts in heat. Provide shade and cool conditions. Harvest outer leaves as needed; use fresh as it loses flavor when dried.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Chervil in Other Locations
When should I plant Chervil in Foothill Ranch, CA?
In Foothill Ranch, CA, plant Chervil after the last frost (around February 13) and before the first frost (around December 11). Best results when soil holds above 50°F.
What growing zone is Foothill Ranch, CA for Chervil?
Foothill Ranch sits in USDA Zone 10b. Chervil grows reliably in zones 3a through 10b, so it's a good fit here.
Can Chervil grow in Foothill Ranch's climate?
Yes — Chervil grows well in Foothill Ranch's temperate climate. Foothill Ranch averages a 302-day frost-free season, with last frost around February 13 and first frost around December 11.
Your Orange County Garden Planner — Free
A 22-page printable planner built for Orange County (Zone 10b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.