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When to Plant Crosne in Hidalgo County, NM

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.

Hidalgo County, New Mexico is in USDA Zone 7b. The average last spring frost is April 22 and the first fall frost is October 28, giving you a growing season of approximately 189 days.

At an elevation of 2,926 feet, Hidalgo County receives approximately 11 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 94ยฐF, providing good warmth for Crosne during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Crosne will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Crosne successfully. Mulch heavily to conserve soil moisture.

Hidalgo County, NM (Zone 7b) Moderate season
189 days
Last Spring Frost April 22
189 growing days
First Fall Frost October 28

Hidalgo County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 17 🍅 Harvest: Sep 18 – Nov 20
Recommended (50%) ✗ May not fit
Transplant: Apr 22 🍅 Harvest: Sep 23 – Nov 25
Safe Start (90%) ✗ May not fit
Transplant: May 17 🍅 Harvest: Oct 18 – Dec 20

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
0.2″/week
You supply
1.3″/week
Watering frequency 2-3 times/week
Season total 2,131 gal / 100 sq ft
Drought risk

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

Crosne needs ~3,588 GDD — county provides 3,874 GDD Good fit

Crosne Planting Timeline โ€” Hidalgo County, NM

Crosne Planting Calendar

Activity When Date Range
Direct Sow April 8 Apr 8 โ€“ Apr 29
Fall Sowing August 19 Aug 19 โ€“ Sep 2
Harvest September 9 Sep 9 โ€“ Nov 11

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

150โ€“200 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

189 days

Growing Tips for Hidalgo County

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

Level Up Your Garden

Frequently Asked Questions

When should I plant Crosne in Hidalgo County, NM?

Hidalgo County is in Zone 7b with an average last frost of April 22. Plan your Crosne planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hidalgo County, NM?

Hidalgo County, New Mexico is in USDA Hardiness Zone 7b. The average last spring frost is April 22 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 Hidalgo County gardeners in Zone 7b 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 Hidalgo County, NM. Local conditions may vary. Last updated: April 2026.