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When to Plant Salsify in Washington 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.

Washington County, Nebraska is in USDA Zone 5a. The average last spring frost is April 23 and the first fall frost is October 11, giving you a growing season of approximately 171 days.

At an elevation of 508 feet, Washington County receives approximately 29.5 inches of rainfall annually with predominantly loam soil. Summer highs average 85ยฐF, providing good warmth for Salsify during the growing season.

Washington County, NE (Zone 5a) Moderate season
171 days
Last Spring Frost April 23
171 growing days
First Fall Frost October 11

Washington County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (22 days to spare)
Transplant: Apr 20 🍅 Harvest: Aug 3 – Sep 14
Recommended (50%) ✓ Fits season (24 days to spare)
Transplant: Apr 23 🍅 Harvest: Aug 6 – Sep 17
Safe Start (90%) ✓ Fits season (18 days to spare)
Transplant: May 11 🍅 Harvest: Aug 24 – Oct 5

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
0.7″/week
You supply
0.7″/week
Watering frequency 1-2 times/week
Season total 1,051 gal / 100 sq ft
Drought risk

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

Salsify needs ~1,581 GDD — county provides 2,351 GDD Excellent fit

Salsify Planting Timeline โ€” Washington County, NE

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 9 Apr 9 โ€“ Apr 30
Fall Sowing August 2 Aug 2 โ€“ Aug 16
Harvest July 23 Jul 23 โ€“ Sep 3

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

171 days

Growing Tips for Washington 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 Washington County, NE?

Washington County is in Zone 5a with an average last frost of April 23. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Washington County, NE?

Washington County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 23 and first fall frost is October 11.

๐ŸŒฑ

Plan Your Garden with Confidence

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