Blog

When to Plant Quince in Trinity County, CA

Quince is a small ornamental tree producing fragrant, golden fruits that are too hard and astringent to eat raw but transform into a beautiful rose-colored paste when cooked.

Trinity County, California is in USDA Zone 7b. The average last spring frost is April 19 and the first fall frost is October 25, giving you a growing season of approximately 189 days.

At an elevation of 61 feet, Trinity County receives approximately 30.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 79ยฐF, so choose short-season varieties of Quince to ensure they mature before fall. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Quince will need more frequent watering and organic matter to retain nutrients.

Trinity County, CA (Zone 7b) Moderate season
189 days
Last Spring Frost April 19
189 growing days
First Fall Frost October 25

Trinity County Soil Profile

Soil Type

Sandy Loam

Soil pH

6-7.1

Drainage

Well Drained

Quince Planting Timeline โ€” Trinity County, CA

Quince Planting Calendar

Activity When Date Range
Transplant Outdoors May 10 May 10 โ€“ May 24

ยท 120" apart ยท Rows 144" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July โ€”
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

1095โ€“1825 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

189 days

Growing Tips for Trinity County

Plant in well-drained soil in a warm, sheltered location. Quince is self-fertile. Harvest after frost when fruit is golden and fragrant. Fire blight can be an issue; choose resistant varieties.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Quince in Trinity County, CA?

Trinity County is in Zone 7b with an average last frost of April 19. Plan your Quince planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Trinity County, CA?

Trinity County, California is in USDA Hardiness Zone 7b. The average last spring frost is April 19 and first fall frost is October 25.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Trinity County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Trinity County, CA. Local conditions may vary. Last updated: April 2026.