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When to Plant Salsify in Franklin 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.

Franklin County, Nebraska is in USDA Zone 5a. The average last spring frost is April 29 and the first fall frost is October 10, giving you a growing season of approximately 164 days.

At an elevation of 1,023 feet, Franklin County receives approximately 27.3 inches of rainfall annually with predominantly loam soil. Summer highs average 87ยฐF, providing good warmth for Salsify during the growing season.

Franklin County, NE (Zone 5a) Moderate season
164 days
Last Spring Frost April 29
164 growing days
First Fall Frost October 10

Franklin 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 (19 days to spare)
Transplant: Apr 22 🍅 Harvest: Aug 5 – Sep 16
Recommended (50%) ✓ Fits season (17 days to spare)
Transplant: Apr 29 🍅 Harvest: Aug 12 – Sep 23
Safe Start (90%) ✓ Fits season (14 days to spare)
Transplant: May 13 🍅 Harvest: Aug 26 – Oct 7

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
0.4″/week
Watering frequency 1-2 times/week
Season total 527 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 2,501 GDD Excellent fit

Salsify Planting Timeline โ€” Franklin County, NE

Salsify Planting Calendar

Activity When Date Range
Direct Sow April 15 Apr 15 โ€“ May 6
Fall Sowing August 1 Aug 1 โ€“ Aug 15
Harvest July 29 Jul 29 โ€“ Sep 9

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

164 days

Growing Tips for Franklin 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 Franklin County, NE?

Franklin County is in Zone 5a with an average last frost of April 29. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Franklin County, NE?

Franklin County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 29 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 Franklin 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 Franklin County, NE. Local conditions may vary. Last updated: April 2026.