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When to plant Raspberries in Trinity County, CA

In Trinity County, Raspberries is a spring-only crop. Plant May 10–May 24 once soil hits 50°F.

When to Plant Raspberries in Trinity County, CA

Raspberries

Raspberries are beloved bramble fruits producing sweet, delicate berries in red, golden, black, and purple varieties. They spread by underground runners and are very productive.

Trinity County, California is in USDA Zone 8b. 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 79°F, so choose short-season varieties of Raspberries to ensure they mature before fall. Sandy soil warms quickly in spring — great for early planting — but Raspberries will need more frequent watering and organic matter to retain nutrients.

Trinity County, CA (Zone 8b) 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

6.0-7.0

Drainage

Well Drained

Raspberries Planting Timeline — Trinity County, CA

Raspberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 10 May 10 – May 24

· 24" apart · Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

365–730 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

189 days in Trinity County

Growing Tips for Trinity County

Provide a trellis for support. Prune summer-bearing types by removing spent canes after harvest. For ever-bearing types, mow all canes in late winter for a single fall crop.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Raspberries in Trinity County, CA?

Trinity County is in Zone 8b with an average last frost of April 19. Plan your Raspberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Trinity County, CA?

Trinity County, California is in USDA Hardiness Zone 8b. The average last spring frost is April 19 and first fall frost is October 25.

When should I plant Raspberries in Trinity County, CA?

In Trinity County, CA, plant Raspberries after the last frost (around April 19) and before the first frost (around October 25). Best results when soil holds above 50°F.

What growing zone is Trinity County, CA for Raspberries?

Trinity County sits in USDA Zone 8b. Raspberries grows reliably in zones 3a through 9b, so it's a good fit here.

Can Raspberries grow in Trinity County's climate?

Yes — Raspberries grows well in Trinity County's temperate climate. Trinity County averages a 189-day frost-free season, with last frost around April 19 and first frost around October 25.

🌱

Your Trinity County Garden Planner — Free

A 22-page printable planner built for Trinity County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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: June 2026.

Sources & credits

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