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When to plant Crosne in Bond County, IL

Aim to plant Crosne in Bond County on or after March 30; the window stays open through April 20. Bond County's 191-day frost-free season gives you enough for a full main crop and a short fall succession. A second sowing from August 12 to August 26 extends the harvest into fall.

When to Plant Crosne in Bond County, IL

Bond County, Illinois Zone 6b July

Your July gardening checklist

If you only do a handful of things in the garden this July, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 13
Avg. first frost October 21
Soil temp (4") 80°F
Watering Moderate
Pest pressure High
Daylight 14.5 hrs
A few tasks this July that'll pay off in August
  • First harvests: crosne
  • Fall sowing: crosne

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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.

Bond County, Illinois is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 21, giving you a growing season of approximately 191 days.

At an elevation of 587 feet, Bond County receives approximately 34.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Crosne during the growing season.

Bond County, IL (Zone 6b) Moderate season
191 days
Last Spring Frost April 13
191 growing days
First Fall Frost October 21

Bond County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7

Drainage

Well Drained

Crosne Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 6 🍅 Harvest: Sep 7 – Oct 19
Recommended (50%) ✗ May not fit
Transplant: Apr 13 🍅 Harvest: Sep 14 – Oct 26
Safe Start (90%) ✗ May not fit
Transplant: Apr 28 🍅 Harvest: Sep 29 – Nov 10

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 Bond County

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

Soil pH

Your soil pH (6.2–7.0) is within Crosne's preferred range (6.0–7.0).

Soil Texture

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

Drainage

Drainage is adequate for Crosne.

Organic Matter

Organic matter is excellent (4.5%) — Crosne will thrive.

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.

Crosne 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 1,091 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 1.6" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 4.3" 2.9" 1.4" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.7" 0" ✅ Rainfall sufficient
Jul 4.3" 3.4" 0.9" 💧 Light watering
Aug 4.3" 4.2" 0.1" 💧 Light watering
Sep 4.3" 2.8" 1.5" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 2.6" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Bond 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 ~2,669 GDD — county provides 2,912 GDD Good fit

Crosne Planting Timeline — Bond County, IL

Crosne Planting Calendar

Activity When Date Range
Direct Sow March 30 Mar 30 – Apr 20
Harvest August 31 Aug 31 – Oct 12
Fall Sowing August 12 Aug 12 – Aug 26

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

Month-by-Month Timeline

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

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: ideal

🗺️ USDA Zone

Zone 6b

📆 Growing Season

191 days in Bond County

Growing Tips for Crosne in Bond County

Direct sow Crosne outdoors after April 13 in Bond County when soil has warmed and frost danger has passed.

Your 191.0-day growing season in Bond 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 Bond County, IL?

Bond County is in Zone 6b with an average last frost of April 13. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bond County, IL?

Bond County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 21.

When should I plant Crosne in Bond County, IL?

In Bond County, IL, plant Crosne after the last frost (around April 13) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Bond County, IL for Crosne?

Bond County sits in USDA Zone 6b. Crosne grows reliably in zones 4a through 9b, so it's a good fit here.

Can Crosne grow in Bond County's climate?

Yes — Crosne grows well in Bond County's temperate climate. Bond County averages a 191-day frost-free season, with last frost around April 13 and first frost around October 21.

🌱

Your Bond County Garden Planner — Free

A 22-page printable planner built for Bond County (Zone 6b). 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 Bond County, IL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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