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When to Plant Salsify in Fillmore 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.

Fillmore County, Nebraska is in USDA Zone 5a. The average last spring frost is April 22 and the first fall frost is October 12, giving you a growing season of approximately 173 days.

At an elevation of 733 feet, Fillmore County receives approximately 33.5 inches of rainfall annually with predominantly loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Salsify to ensure they mature before fall.

Fillmore County, NE (Zone 5a) Moderate season
173 days
Last Spring Frost April 22
173 growing days
First Fall Frost October 12

Fillmore County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (26 days to spare)
Transplant: Apr 17 🍅 Harvest: Jul 31 – Sep 11
Recommended (50%) ✓ Fits season (26 days to spare)
Transplant: Apr 22 🍅 Harvest: Aug 5 – Sep 16
Safe Start (90%) ✓ Fits season (30 days to spare)
Transplant: May 3 🍅 Harvest: Aug 16 – Sep 27

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 345 gal / 100 sq ft
Drought risk

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

Salsify needs ~1,495 GDD — county provides 2,249 GDD Excellent fit

Salsify Planting Timeline โ€” Fillmore County, NE

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 8 Apr 8 โ€“ Apr 29
Fall Sowing August 3 Aug 3 โ€“ Aug 17
Harvest July 22 Jul 22 โ€“ Sep 2

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 โ€”
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

173 days

Growing Tips for Fillmore 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 Fillmore County, NE?

Fillmore County is in Zone 5a with an average last frost of April 22. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Fillmore County, NE?

Fillmore County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 22 and first fall frost is October 12.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Fillmore 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 Fillmore County, NE. Local conditions may vary. Last updated: April 2026.