When to Plant Sunchoke in Pushmataha County, OK
Sunchokes (Jerusalem artichokes) are a native sunflower relative grown for their knobby, nutty-flavored tubers. They are extremely productive and nearly impossible to eradicate.
Pushmataha County, Oklahoma is in USDA Zone 7b. The average last spring frost is April 2 and the first fall frost is November 1, giving you a growing season of approximately 213 days.
At an elevation of 465 feet, Pushmataha County receives approximately 22.1 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Sunchoke during the growing season.
Pushmataha County Soil Profile
Soil Type
Loam
Soil pH
6.3-7.8
Drainage
Well Drained
Plant Planting Risk Windows
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Sunchoke Planting Timeline — Pushmataha County, OK
Sunchoke Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
| Harvest | August 6 | Aug 6 – Oct 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
110–150 days
Soil pH
6 – 7.5
USDA Zone
Zone 7b
Growing Season
213 days
Growing Tips for Pushmataha County
Plant tubers 4 inches deep in early spring. Contain plants with barriers as they spread aggressively. Harvest after frost or leave in ground and dig as needed through winter.
Companion Planting
Good Companions
Level Up Your Garden
Sunchoke in Other Locations
Frequently Asked Questions
When should I plant Sunchoke in Pushmataha County, OK?
Pushmataha County is in Zone 7b with an average last frost of April 2. Plan your Sunchoke planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pushmataha County, OK?
Pushmataha County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is April 2 and first fall frost is November 1.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Pushmataha County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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