When to Plant Artichoke in Adair County, OK
Globe artichokes are large thistle-like perennials prized for their edible flower buds. They produce striking silvery foliage and can be grown as ornamentals.
Adair County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 27, giving you a growing season of approximately 203 days.
At an elevation of 486 feet, Adair County receives approximately 33.9 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Artichoke during the growing season.
Adair County Soil Profile
Soil Type
Loam
Soil pH
6.7-7.1
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
Artichoke Planting Timeline — Adair County, OK
Artichoke Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 21 | Apr 21 – May 5 |
| Harvest | August 25 | Aug 25 – Nov 3 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
120–180 days
Soil pH
6.5 – 8
USDA Zone
Zone 7a
Growing Season
203 days
Growing Tips for Adair County
Start seeds indoors 8-10 weeks before last frost. Provide consistent moisture and mulch heavily. Harvest buds before scales begin to open for best flavor.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Artichoke in Other Locations
Frequently Asked Questions
When should I plant Artichoke in Adair County, OK?
Adair County is in Zone 7a with an average last frost of April 7. Plan your Artichoke planting based on this frost date — see the calendar above for exact timing.
What planting zone is Adair County, OK?
Adair County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 27.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Adair County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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