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When to Plant Salsify in Thurston County, NE

Salsify is a root vegetable with a subtle oyster-like flavor, earning it the nickname "oyster plant." It produces long, slender, cream-colored roots.

Thurston County, Nebraska is in USDA Zone 5a. The average last spring frost is April 28 and the first fall frost is October 10, giving you a growing season of approximately 165 days.

At an elevation of 584 feet, Thurston County receives approximately 31.5 inches of rainfall annually with predominantly loam soil. Summer highs average 87ยฐF, providing good warmth for Salsify during the growing season.

Thurston County, NE (Zone 5a) Moderate season
165 days
Last Spring Frost April 28
165 growing days
First Fall Frost October 10

Thurston County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (18 days to spare)
Transplant: Apr 21 🍅 Harvest: Aug 4 – Sep 15
Recommended (50%) ✓ Fits season (18 days to spare)
Transplant: Apr 28 🍅 Harvest: Aug 11 – Sep 22
Safe Start (90%) ✓ Fits season (14 days to spare)
Transplant: May 14 🍅 Harvest: Aug 27 – Oct 8

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
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 349 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Salsify needs ~1,754 GDD — county provides 2,516 GDD Excellent fit

Salsify Planting Timeline โ€” Thurston County, NE

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 14 Apr 14 โ€“ May 5
Fall Sowing August 1 Aug 1 โ€“ Aug 15
Harvest July 28 Jul 28 โ€“ Sep 8

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

100โ€“130 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5a

Growing Season

165 days

Growing Tips for Thurston County

Direct sow in spring in deeply worked, stone-free soil. Use fresh seed only as viability drops quickly. Harvest in late fall after frost for best flavor.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Salsify in Thurston County, NE?

Thurston County is in Zone 5a with an average last frost of April 28. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Thurston County, NE?

Thurston County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 28 and first fall frost is October 10.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Thurston County gardeners in Zone 5a 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 Thurston County, NE. Local conditions may vary. Last updated: April 2026.