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When to Plant Salsify in Kingfisher County, OK

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

Kingfisher County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 28, giving you a growing season of approximately 202 days.

At an elevation of 817 feet, Kingfisher County receives approximately 31.4 inches of rainfall annually with predominantly loam soil. Summer highs average 91ยฐF, providing good warmth for Salsify during the growing season.

Kingfisher County, OK (Zone 7a) Long season
202 days
Last Spring Frost April 9
202 growing days
First Fall Frost October 28

Kingfisher County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (55 days to spare)
Transplant: Apr 4 🍅 Harvest: Jul 18 – Aug 29
Recommended (50%) ✓ Fits season (55 days to spare)
Transplant: Apr 9 🍅 Harvest: Jul 23 – Sep 3
Safe Start (90%) ✓ Fits season (60 days to spare)
Transplant: Apr 22 🍅 Harvest: Aug 5 – Sep 16

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 624 gal / 100 sq ft
Salsify needs ~2,099 GDD — county provides 3,686 GDD Excellent fit

Salsify Planting Timeline โ€” Kingfisher County, OK

Salsify Planting Calendar

Activity When Date Range
Direct Sow March 26 Mar 26 โ€“ Apr 16
Fall Sowing August 19 Aug 19 โ€“ Sep 2
Harvest July 9 Jul 9 โ€“ Aug 20

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May โ€”
June โ€”
July Harvest
August Fall Sowing Harvest
September Fall Sowing
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 7a

Growing Season

202 days

Growing Tips for Kingfisher 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 Kingfisher County, OK?

Kingfisher County is in Zone 7a with an average last frost of April 9. Plan your Salsify planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Kingfisher County, OK?

Kingfisher County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 28.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Kingfisher County gardeners in Zone 7a 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 Kingfisher County, OK. Local conditions may vary. Last updated: April 2026.