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When to Plant Lentils in Siskiyou County, CA

Lentils are an ancient pulse crop producing small, lens-shaped seeds packed with protein and iron. They grow on short, bushy plants and are surprisingly easy to cultivate.

Siskiyou County, California is in USDA Zone 7a. The average last spring frost is May 15 and the first fall frost is October 1, giving you a growing season of approximately 139 days.

At an elevation of 251 feet, Siskiyou County receives approximately 36 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Lentils to ensure they mature before fall. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Lentils will need more frequent watering and organic matter to retain nutrients.

Siskiyou County, CA (Zone 7a) Short season
139 days
Last Spring Frost May 15
139 growing days
First Fall Frost October 1

Siskiyou County Soil Profile

Soil Type

Sandy Loam

Soil pH

6-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (12 days to spare)
Start indoors: Apr 1 Transplant: May 6 🍅 Harvest: Jul 29 – Sep 9
Recommended (50%) ✓ Fits season (13 days to spare)
Start indoors: Apr 10 Transplant: May 15 🍅 Harvest: Aug 7 – Sep 18
Safe Start (90%) ✓ Fits season (2 days to spare)
Start indoors: May 14 Transplant: Jun 18 🍅 Harvest: Sep 10 – Oct 22

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Lentils needs ~1,235 GDD — county provides 1,807 GDD Excellent fit

Lentils Planting Timeline โ€” Siskiyou County, CA

Lentils Planting Calendar

Activity When Date Range
Start Indoors April 10 Apr 10 โ€“ Apr 24
Transplant Outdoors May 15 May 15 โ€“ May 29
Direct Sow May 1 May 1 โ€“ May 22
Fall Sowing July 23 Jul 23 โ€“ Aug 6
Harvest August 7 Aug 7 โ€“ Sep 18

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Start Indoors
May Transplant Outdoors Direct Sow
June โ€”
July Fall Sowing
August Fall Sowing Harvest
September Harvest
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

80โ€“110 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 7a

Growing Season

139 days

Growing Tips for Siskiyou County

Direct sow in early spring as lentils tolerate frost. Provide short supports as plants tend to lodge. Harvest when lower pods turn brown. Pull entire plants and dry in bundles.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

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Frequently Asked Questions

When should I plant Lentils in Siskiyou County, CA?

Siskiyou County is in Zone 7a with an average last frost of May 15. Plan your Lentils planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Siskiyou County, CA?

Siskiyou County, California is in USDA Hardiness Zone 7a. The average last spring frost is May 15 and first fall frost is October 1.

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Plan Your Garden with Confidence

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

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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 Siskiyou County, CA. Local conditions may vary. Last updated: April 2026.