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When to Plant Crosne in Sequoyah County, OK

Crosne (Chinese artichoke) produces small, segmented white tubers with a crunchy texture and mild artichoke-nutty flavor. They are a rare delicacy in French cuisine.

Sequoyah County, Oklahoma is in USDA Zone 7a. The average last spring frost is March 28 and the first fall frost is November 4, giving you a growing season of approximately 221 days.

At an elevation of 786 feet, Sequoyah County receives approximately 32.8 inches of rainfall annually with predominantly loam soil. Summer highs average 90ยฐF, providing good warmth for Crosne during the growing season.

Sequoyah County, OK (Zone 7a) Long season
221 days
Last Spring Frost March 28
221 growing days
First Fall Frost November 4

Sequoyah 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 (5 days to spare)
Transplant: Mar 21 🍅 Harvest: Aug 22 – Oct 24
Recommended (50%) ✓ Fits season (4 days to spare)
Transplant: Mar 28 🍅 Harvest: Aug 29 – Oct 31
Safe Start (90%) ✓ Fits season (6 days to spare)
Transplant: Apr 15 🍅 Harvest: Sep 16 – Nov 18

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.

Soil Compatibility in Sequoyah County

How your county's soil matches Crosne's growing requirements.

Soil pH

Your soil pH (6.6โ€“7.3) overlaps with Crosne's range (6.0โ€“7.0), though not a perfect match.

Soil Texture

The loam soil in Sequoyah County is excellent for Crosne โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.5%). Annual compost additions will help Crosne.

How to Plant Crosne

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.6″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 889 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Crosne

Crosne needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Crosne Needs Rainfall You Supplement Action
Jan โ€” 0.9" 0" โ„๏ธ Dormant
Feb โ€” 1.2" 0" โ„๏ธ Dormant
Mar 4.3" 1.8" 2.5" ๐Ÿšฟ Regular watering
Apr 4.3" 3.4" 0.9" ๐Ÿ’ง Light watering
May 4.3" 4.8" 0" โœ… Rainfall sufficient
Jun 4.3" 5.3" 0" โœ… Rainfall sufficient
Jul 4.3" 3.8" 0.5" ๐Ÿ’ง Light watering
Aug 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Sep 4.3" 2.8" 1.5" ๐Ÿ’ง Light watering
Oct 4.3" 2.4" 1.9" ๐Ÿ’ง Light watering
Nov 4.3" 1.2" 3.1" ๐Ÿšฟ Regular watering
Dec โ€” 0.9" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Sequoyah County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Crosne Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Crosne needs ~3,062 GDD — county provides 3,867 GDD Good fit

Crosne Planting Timeline โ€” Sequoyah County, OK

Crosne Planting Calendar

Activity When Date Range
Direct Sow March 14 Mar 14 โ€“ Apr 4
Harvest August 15 Aug 15 โ€“ Oct 17
Fall Sowing August 26 Aug 26 โ€“ Sep 9

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 โ€”
August Fall Sowing Harvest
September Fall Sowing Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

150โ€“200 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

221 days in Sequoyah County

Growing Tips for Crosne in Sequoyah County

Direct sow Crosne outdoors after March 28 in Sequoyah County when soil has warmed and frost danger has passed.

General growing tips

Plant tubers 3 inches deep in spring. Mark the location well as plants die back. Harvest in late fall after frost. Leave some tubers in ground for next year. Very labor-intensive to harvest.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Crosne in Sequoyah County, OK?

Sequoyah County is in Zone 7a with an average last frost of March 28. Plan your Crosne planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sequoyah County, OK?

Sequoyah County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is March 28 and first fall frost is November 4.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sequoyah County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Sequoyah County, OK. Local conditions may vary. Last updated: April 2026.