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When to plant Chard in Dent County, MO

In Zone 6b (Dent County), direct-sow Chard between March 27 and April 17 for spring, after the April 10 last-frost mark. A second sowing from August 18 to September 1 extends the harvest into fall.

When to Plant Chard in Dent County, MO

Dent County, Missouri Zone 6b June

What to do in June

We've pulled the most time-sensitive tasks for Dent County, Missouri this June and put them front and centre. Tackle them in order.

Avg. last frost April 10
Avg. first frost October 27
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 14.6 hrs
  1. It's harvest week for chard

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

To set up a strong July, finish these tasks
  • First harvests: chard

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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.

Dent County, Missouri is in USDA Zone 6b. The average last spring frost is April 10 and the first fall frost is October 27, giving you a growing season of approximately 200 days.

At an elevation of 774 feet, Dent County receives approximately 31.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Chard during the growing season.

Dent County, MO (Zone 6b) Long season
200 days
Last Spring Frost April 10
200 growing days
First Fall Frost October 27

Dent County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.7

Drainage

Well Drained

Chard Planting Risk Windows

Early Start (70% safe) ✓ Fits season (91 days to spare)
Start indoors: Feb 28 Transplant: Apr 4 🍅 Harvest: May 30 – Jul 18
Recommended (50%) ✓ Fits season (95 days to spare)
Start indoors: Mar 6 Transplant: Apr 10 🍅 Harvest: Jun 5 – Jul 24
Safe Start (90%) ✓ Fits season (97 days to spare)
Start indoors: Mar 19 Transplant: Apr 23 🍅 Harvest: Jun 18 – Aug 6

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 Dent County

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

Soil pH

Your soil pH (5.5–6.7) overlaps with Chard's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.6%). Annual compost additions will help Chard.

How to Plant Chard

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Chard

4
successive plantings in your 200-day season

Sow every 5.7 weeks. Last sowing by Aug 28 to harvest before frost.

For a dedicated fall crop, sow by Aug 18.

Chard Water Budget

Plant needs
0.8″/week
Rainfall provides
0.7″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 239 gal / 100 sq ft

Monthly Watering Guide for Chard

Chard needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.

Month Chard Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 1.4" 0" ❄️ Dormant
Mar 2.4" 0" ❄️ Dormant
Apr 3.5" 2.8" 0.7" 💧 Light watering
May 3.5" 3.7" 0" ✅ Rainfall sufficient
Jun 3.5" 4" 0" ✅ Rainfall sufficient
Jul 3.5" 3.7" 0" ✅ Rainfall sufficient
Aug 3.5" 3.5" 0" ✅ Rainfall sufficient
Sep 3.5" 2.4" 1.1" 💧 Light watering
Oct 3.5" 2.2" 1.3" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

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

Chard 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.

Chard needs ~1,004 GDD — county provides 3,650 GDD Excellent fit

Chard Planting Timeline — Dent County, MO

Chard Planting Calendar

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow March 27 Mar 27 – Apr 17
Harvest June 5 Jun 5 – Jul 24
Fall Sowing August 18 Aug 18 – Sep 1

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

0.8"/week · Only during dry spells

📅 Days to Maturity

50–60 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6b

📆 Growing Season

200 days in Dent County

Growing Tips for Chard in Dent County

Direct sow Chard outdoors after April 10 in Dent County when soil has warmed and frost danger has passed.

Summer highs in Dent County reach 91°F — grow Chard as a spring or fall crop. Use shade cloth if planting in summer.

General growing tips

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 Dent County, MO?

Dent County is in Zone 6b with an average last frost of April 10. Plan your Chard planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dent County, MO?

Dent County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 10 and first fall frost is October 27.

When should I plant Chard in Dent County, MO?

In Dent County, MO, plant Chard after the last frost (around April 10) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Dent County, MO for Chard?

Dent County sits in USDA Zone 6b. Chard grows reliably in zones 2a through 11b, so it's a good fit here.

Can Chard grow in Dent County's climate?

Yes — Chard grows well in Dent County's temperate climate. Dent County averages a 200-day frost-free season, with last frost around April 10 and first frost around October 27.

🌱

Your Dent County Garden Planner — Free

A 22-page printable planner built for Dent 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 Dent County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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