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When to Plant Crosne in Hamilton County, NE

Hamilton County, Nebraska Zone 5b May

Your May gardening checklist

Each item below is timed to Hamilton County, Nebraska's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost April 25
Avg. first frost October 10
Soil temp (4") 57°F
Watering Low
Pest pressure Low
Daylight 14.3 hrs

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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.

Hamilton County, Nebraska is in USDA Zone 5b. The average last spring frost is April 25 and the first fall frost is October 10, giving you a growing season of approximately 168 days.

At an elevation of 861 feet, Hamilton County receives approximately 33.8 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Crosne during the growing season.

Hamilton County, NE (Zone 5b) Moderate season
168 days
Last Spring Frost April 25
168 growing days
First Fall Frost October 10
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Hamilton County Soil Profile

Soil Type

Loam

Soil pH

6.3-7.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (4 days to spare)
Transplant: Apr 17 🍅 Harvest: Sep 18 – Oct 2
Recommended (50%) ✓ Fits season (0 days to spare)
Transplant: Apr 25 🍅 Harvest: Sep 26 – Oct 10
Safe Start (90%) ✗ May not fit
Transplant: May 11 🍅 Harvest: Oct 12 – Oct 26

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 Hamilton County

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

Soil pH

Your soil pH (6.3–7.5) overlaps with Crosne's range (6.0–7.0), though not a perfect match.

Soil Texture

The loam soil in Hamilton County is excellent for Crosne — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Crosne.

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
0.8″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 816 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — 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 0.8" 0" ❄️ Dormant
Feb 1" 0" ❄️ Dormant
Mar 2" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 5.1" 0" ✅ Rainfall sufficient
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.7" 0" ✅ Rainfall sufficient
Sep 4.3" 3" 1.3" 💧 Light watering
Oct 4.3" 2.5" 1.8" 💧 Light watering
Nov 1.3" 0" ❄️ Dormant
Dec 0.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Hamilton County). Supplement amounts are based on average rainfall — 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" — every day above 50°F 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 ~2,406 GDD — county provides 2,310 GDD Tight fit

Crosne Planting Timeline — Hamilton County, NE

Crosne Planting Calendar

Activity When Date Range
Direct Sow April 11 Apr 11 – May 2
Harvest September 12 Sep 12 – Sep 26
Fall Sowing August 1 Aug 1 – Aug 15

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Direct Sow
May Direct Sow
June
July
August Fall Sowing
September Harvest
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

150–200 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 5b

📆 Growing Season

168 days in Hamilton County

Growing Tips for Crosne in Hamilton County

Direct sow Crosne outdoors after April 25 in Hamilton County when soil has warmed and frost danger has passed.

Your 168.0-day growing season in Hamilton County is tight for Crosne (150.0-200.0 days to maturity). Start indoors and choose early-maturing varieties.

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 Hamilton County, NE?

Hamilton County is in Zone 5b with an average last frost of April 25. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hamilton County, NE?

Hamilton County, Nebraska is in USDA Hardiness Zone 5b. The average last spring frost is April 25 and first fall frost is October 10.

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Your Hamilton County Garden Planner — Free

A 24-page printable planner built for Hamilton County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Hamilton County, NE. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.