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Growing Chervil in Spokane

🇺🇸 Zone 3 Planting Guide · Cold semi-arid climate

USDA Zone 3 155 frost-free days 40-60 days to harvest

Quick Answer: Growing Chervil in Spokane

Yes, you can grow Chervil in Spokane, US! Plant during Mar, Apr, May, Jul, Aug for best results. Spokane is in USDA Zone 3 with a Cold semi-arid climate, offering 155 frost-free days per year. The difficulty level is medium, and Chervil takes 40-60 days to harvest. Chervil needs partial shade ok and regular watering.

Climate Match Analysis

Moderate Match Spokane + Chervil

Spokane's climate requires careful timing. Winter lows (-8°C) drop below Chervil's minimum (-5°C), so avoid cold months. Summer highs (30°C) exceed Chervil's maximum (22°C), so plant early or provide shade. Follow the recommended planting months for success.

Chervil tolerates -5°C to 22°C
Optimal: 10°C - 18°C
Spokane range -8°C to 30°C

Spokane Climate Data

USDA Zone
3
Frost-Free
155days
Winter Low
-8°C
Summer High
30°C
Rainfall
432mm/yr
Climate
BSk
Cold semi-arid

Chervil Planting Calendar for Spokane

Green months show the best time to plant Chervil in Spokane

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Chervil Not recommended

Chervil Growing Requirements

☀️

Sunlight

Partial Shade OK

2-4 hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

40-60

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Chervil

Bolts in heat -- grow in cool season or shade. Direct sow. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Chervil is frost tolerant — you can plant earlier in spring.

How to Grow Chervil in Spokane

Spokane, US is in USDA Hardiness Zone 3 with a Cold semi-arid climate (Köppen BSk). With winter lows of -8°C and summer highs of 30°C, the growing season spans approximately 155 frost-free days. Chervil grows well with some gardening knowledge in this climate.

Chervil thrives in temperatures between 10°C and 18°C, requiring partial shade ok and regular watering. In Spokane, the best months to plant Chervil are March, April, May, July, August. Since Chervil can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 40-60 days after planting.

Spokane receives only 432mm of annual rainfall, so consistent irrigation will be essential for growing Chervil successfully.

Other Plants That Grow in Spokane

More plants you can grow alongside Chervil in Spokane

Keep Exploring

Frequently Asked Questions

Can I grow chervil in Spokane?

Yes! Chervil can be successfully grown in Spokane, US. Spokane is in USDA Hardiness Zone 3 with a Cold semi-arid climate. The difficulty level for growing Chervil here is rated "medium". The best months to plant are March, April, May, July, August.

When should I plant chervil in Spokane?

In Spokane, the recommended planting months for Chervil are March, April, May, July, August. Spokane has 155 frost-free days per year, with winter lows of -8°C and summer highs of 30°C. Chervil is frost tolerant, giving you more flexibility with planting dates.

How long does chervil take to grow in Spokane?

Chervil typically takes 40-60 days from planting to harvest. In Spokane's Cold semi-arid climate with 155 frost-free days, you have enough time with good planning to grow Chervil to maturity. Bolts in heat -- grow in cool season or shade. Direct sow. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow chervil indoors in Spokane?

Chervil can potentially be grown indoors in Spokane with proper conditions. It requires partial shade ok (2-4 hours of indirect light). Indoor growing extends your season beyond the Mar, Apr, May, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant chervil in Spokane?

Plant Chervil in Spokane during March, April, May, July, August. These are the optimal months based on Spokane's USDA Zone 3 climate, 155 frost-free days, and temperature range of -8°C to 30°C.

Is chervil hard to grow in Spokane?

Chervil is rated "medium" to grow in Spokane. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Chervil in Spokane is Moderate.

What grows well with chervil in Spokane?

In Spokane, you can grow many companion plants alongside Chervil. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Spokane's Zone 3 climate.

Does chervil need full sun in Spokane?

Chervil requires partial shade ok. Chervil tolerates lower light. In Spokane, a spot with filtered or indirect light for 2-4 hours works well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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