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When to Plant Endive in Stutsman County, ND

Stutsman County, North Dakota Zone 4a August

August to-do list for Stutsman County, North Dakota

Your garden in Stutsman County, North Dakota is working on a schedule, even when you're not. Here's where you should be this August.

Avg. last frost May 9
Avg. first frost September 30
Soil temp (4") 72°F
Watering Moderate
Pest pressure High
Daylight 14 hrs
  1. Bring in the endive

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

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Endive is a leafy green with a slightly bitter flavor, available in curly (frisee) and broad-leaved (escarole) types. It adds texture and complexity to salads.

Stutsman County, North Dakota is in USDA Zone 4a. The average last spring frost is May 9 and the first fall frost is September 30, giving you a growing season of approximately 144 days.

At an elevation of 907 feet, Stutsman County receives approximately 28.3 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Endive to ensure they mature before fall.

Stutsman County, ND (Zone 4a) Short season
144 days
Last Spring Frost May 9
144 growing days
First Fall Frost September 30

Stutsman County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.3

Drainage

Well Drained

Endive Planting Risk Windows

Early Start (70% safe) ✓ Fits season (62 days to spare)
Start indoors: Mar 20 Transplant: May 1 🍅 Harvest: Jun 19 – Jul 24
Recommended (50%) ✓ Fits season (60 days to spare)
Start indoors: Mar 28 Transplant: May 9 🍅 Harvest: Jun 27 – Aug 1
Safe Start (90%) ✓ Fits season (64 days to spare)
Start indoors: Apr 7 Transplant: May 19 🍅 Harvest: Jul 7 – Aug 11

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 Stutsman County

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

Soil pH

Your soil pH (6.6–7.3) overlaps with Endive's range (5.5–7.0), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Endive.

Organic Matter

Organic matter is excellent (4.2%) — Endive will thrive.

How to Plant Endive

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 12 weeks before your first frost date for a fall harvest.

Succession Planting Endive

3
successive plantings in your 144-day season

Sow every 5.1 weeks. Last sowing by Jul 27 to harvest before frost.

For a dedicated fall crop, sow by Jul 08.

Endive Water Budget

Plant needs
0.7″/week
Rainfall provides
0.8″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 130 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Endive

Endive needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Endive Needs Rainfall You Supplement Action
Jan 0.8" 0" ❄️ Dormant
Feb 1" 0" ❄️ Dormant
Mar 2.1" 0" ❄️ Dormant
Apr 2.9" 0" ❄️ Dormant
May 3" 4.1" 0" ✅ Rainfall sufficient
Jun 3" 4.2" 0" ✅ Rainfall sufficient
Jul 3" 3.4" 0" ✅ Rainfall sufficient
Aug 3" 3.3" 0" ✅ Rainfall sufficient
Sep 3" 2.6" 0.4" 💧 Light watering
Oct 2.1" 0" ❄️ Dormant
Nov 1.1" 0" ❄️ Dormant
Dec 0.7" 0" ❄️ Dormant

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

Endive 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.

Endive needs ~591 GDD — county provides 1,548 GDD Excellent fit

Endive Planting Timeline — Stutsman County, ND

Endive Planting Calendar

Activity When Date Range
Start Indoors March 28 Mar 28 – Apr 11
Transplant Outdoors May 9 May 9 – May 23
Direct Sow May 2 May 2 – May 23
Harvest June 27 Jun 27 – Aug 1
Fall Sowing July 8 Jul 8 – Jul 22

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors
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

0.7"/week · Only during dry spells

📅 Days to Maturity

45–65 days

🧪 Soil pH

Needs 5.5–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 4a

📆 Growing Season

144 days in Stutsman County

Growing Tips for Endive in Stutsman County

Direct sow Endive outdoors after May 09 in Stutsman County when soil has warmed and frost danger has passed.

Common pests for Endive in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Sow seeds directly in spring or fall. Blanch heads by tying outer leaves together 2-3 weeks before harvest to reduce bitterness. Keep soil evenly moist.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Endive in Stutsman County, ND?

Stutsman County is in Zone 4a with an average last frost of May 9. Plan your Endive planting based on this frost date — see the calendar above for exact timing.

What planting zone is Stutsman County, ND?

Stutsman County, North Dakota is in USDA Hardiness Zone 4a. The average last spring frost is May 9 and first fall frost is September 30.

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Your Stutsman County Garden Planner — Free

A 22-page printable planner built for Stutsman County (Zone 4a). 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 Stutsman County, ND. Local conditions may vary. Last updated: August 2026.

Sources & credits

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