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When to plant Zucchini in Doniphan County, KS

Plant Zucchini in Doniphan County, when soil hits 50°F — usually April 24. Continue planting through May 15 for the spring crop.

When to Plant Zucchini in Doniphan County, KS

Zucchini

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Doniphan County, Kansas is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 18, giving you a growing season of approximately 184 days.

At an elevation of 491 feet, Doniphan County receives approximately 26.7 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Zucchini during the growing season.

Doniphan County, KS (Zone 6a) Moderate season
184 days
Last Spring Frost April 17
184 growing days
First Fall Frost October 18

Doniphan County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.3

Drainage

Well Drained

How Much Zucchini to Grow

6-10 lbs
Average yield per plant
1
Plants per person
2 sq ft
Space per person

For a family of 4, plant approximately 4 zucchini plants in about 8 sq ft. In Doniphan County's 184-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Zucchini

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

Month Zucchini Needs Rainfall You Supplement Action
Jan 0.8" 0" ❄️ Dormant
Feb 0.9" 0" ❄️ Dormant
Mar 1.7" 0" ❄️ Dormant
Apr 4.3" 2.6" 1.7" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 3.7" 0.6" 💧 Light watering
Aug 4.3" 3.3" 1" 💧 Light watering
Sep 4.3" 2.2" 2.1" 💧 Light watering
Oct 4.3" 1.9" 2.4" 🚿 Regular watering
Nov 0.8" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

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

Zucchini Planting Timeline — Doniphan County, KS

Zucchini Planting Calendar

Activity When Date Range
Start Indoors March 13 Mar 13 – Mar 27
Transplant Outdoors May 1 May 1 – May 15
Direct Sow April 24 Apr 24 – May 15
Harvest June 19 Jun 19 – Aug 14

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

184 days in Doniphan County

Growing Tips for Doniphan County

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Zucchini in Doniphan County, KS?

Doniphan County is in Zone 6a with an average last frost of April 17. Plan your Zucchini planting based on this frost date — see the calendar above for exact timing.

What planting zone is Doniphan County, KS?

Doniphan County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 18.

When should I plant Zucchini in Doniphan County, KS?

In Doniphan County, KS, plant Zucchini after the last frost (around April 17) and before the first frost (around October 18). Best results when soil holds above 50°F.

What growing zone is Doniphan County, KS for Zucchini?

Doniphan County sits in USDA Zone 6a. Zucchini grows reliably in zones 3a through 11b, so it's a good fit here.

Can Zucchini grow in Doniphan County's climate?

Yes — Zucchini grows well in Doniphan County's temperate climate. Doniphan County averages a 184-day frost-free season, with last frost around April 17 and first frost around October 18.

🌱

Your Doniphan County Garden Planner — Free

A 22-page printable planner built for Doniphan County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Doniphan County, KS. 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.