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When to Plant Spaghetti Squash in Lincoln County, OR

Spaghetti squash is a winter squash whose cooked flesh separates into pasta-like strands. It is a popular low-carb alternative to pasta.

Lincoln County, Oregon is in USDA Zone 8b. The average last spring frost is April 19 and the first fall frost is October 31, giving you a growing season of approximately 195 days.

At an elevation of 267 feet, Lincoln County receives approximately 41.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Spaghetti Squash to ensure they mature before fall.

Lincoln County, OR (Zone 8b) Moderate season
195 days
Last Spring Frost April 19
195 growing days
First Fall Frost October 31

Lincoln County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (72 days to spare)
Start indoors: Mar 7 Transplant: Apr 18 🍅 Harvest: Jul 18 – Aug 15
Recommended (50%) ✓ Fits season (62 days to spare)
Start indoors: Mar 22 Transplant: May 3 🍅 Harvest: Aug 2 – Aug 30
Safe Start (90%) ✓ Fits season (72 days to spare)
Start indoors: Apr 13 Transplant: May 25 🍅 Harvest: Aug 24 – Sep 21

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
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 192 gal / 100 sq ft
Spaghetti Squash needs ~1,133 GDD — county provides 2,388 GDD Excellent fit

Spaghetti Squash Planting Timeline โ€” Lincoln County, OR

Spaghetti Squash Planting Calendar

Activity When Date Range
Start Indoors March 22 Mar 22 โ€“ Apr 5
Transplant Outdoors May 3 May 3 โ€“ May 17
Direct Sow April 26 Apr 26 โ€“ May 17
Harvest August 2 Aug 2 โ€“ Aug 30

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

85โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

195 days

Growing Tips for Lincoln County

Direct sow on mounds after last frost. Harvest when skin turns golden yellow and is hard. Store in a cool, dry place for 2-3 months. Bake or microwave halves until tender.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Spaghetti Squash in Lincoln County, OR?

Lincoln County is in Zone 8b with an average last frost of April 19. Plan your Spaghetti Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lincoln County, OR?

Lincoln County, Oregon is in USDA Hardiness Zone 8b. The average last spring frost is April 19 and first fall frost is October 31.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lincoln County gardeners in Zone 8b 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 Lincoln County, OR. Local conditions may vary. Last updated: April 2026.