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When to plant Chard in Wabasha County, MN

Plant Chard in Wabasha County from April 21 to May 12 in spring. Wabasha County sits in USDA Zone 4b, with last frost around April 28 and first frost on October 8. A second sowing from July 16 to July 30 extends the harvest into fall.

When to Plant Chard in Wabasha County, MN

Swiss chard is a colorful, heat-tolerant green with large crinkled leaves and vibrant stalks in red, yellow, and white. Both the leaves and stems are edible and nutritious.

Wabasha County, Minnesota is in USDA Zone 4b. The average last spring frost is April 28 and the first fall frost is October 8, giving you a growing season of approximately 163 days.

At an elevation of 1,270 feet, Wabasha County receives approximately 34.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Chard to ensure they mature before fall.

Wabasha County, MN (Zone 4b) Moderate season
163 days
Last Spring Frost April 28
163 growing days
First Fall Frost October 8

Wabasha County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-6.7

Drainage

Well Drained

Monthly Watering Guide for Chard

Chard needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Chard Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.4" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 4.1" 0.2" 💧 Light watering
Aug 4.3" 3.2" 1.1" 💧 Light watering
Sep 4.3" 3" 1.3" 💧 Light watering
Oct 4.3" 2.8" 1.5" 💧 Light watering
Nov 2.5" 0" ❄️ Dormant
Dec 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Wabasha County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Chard Planting Timeline — Wabasha County, MN

Chard Planting Calendar

Activity When Date Range
Start Indoors March 17 Mar 17 – Mar 31
Transplant Outdoors April 28 Apr 28 – May 12
Direct Sow April 21 Apr 21 – May 12
Harvest June 23 Jun 23 – Aug 11
Fall Sowing July 16 Jul 16 – Jul 30

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

163 days in Wabasha County

Growing Tips for Wabasha County

Direct sow or transplant after last frost. Harvest outer leaves regularly to encourage continuous production. Chard tolerates both heat and light frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Corn
  • Cucumbers

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chard in Wabasha County, MN?

Wabasha County is in Zone 4b with an average last frost of April 28. Plan your Chard planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wabasha County, MN?

Wabasha County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 28 and first fall frost is October 8.

When should I plant Chard in Wabasha County, MN?

In Wabasha County, MN, plant Chard after the last frost (around April 28) and before the first frost (around October 8). Best results when soil holds above 50°F.

What growing zone is Wabasha County, MN for Chard?

Wabasha County sits in USDA Zone 4b. Chard grows reliably in zones 2a through 11b, so it's a good fit here.

Can Chard grow in Wabasha County's climate?

Yes — Chard grows well in Wabasha County's temperate climate. Wabasha County averages a 163-day frost-free season, with last frost around April 28 and first frost around October 8.

🌱

Your Wabasha County Garden Planner — Free

A 22-page printable planner built for Wabasha County (Zone 4b). 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 Wabasha County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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