Blog

When to plant Cilantro in Atchison County, KS

Plant Cilantro in Atchison County, when soil hits 50°F — usually April 3. Continue planting through April 24 for the spring crop. A second sowing from August 12 to August 26 extends the harvest into fall.

When to Plant Cilantro in Atchison County, KS

Cilantro

Cilantro is a dual-purpose herb providing fresh leaves (cilantro) and dried seeds (coriander). It bolts quickly in heat, producing flowers beloved by beneficial insects.

Atchison County, Kansas is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 21, giving you a growing season of approximately 187 days.

At an elevation of 678 feet, Atchison County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Cilantro to ensure they mature before fall.

Atchison County, KS (Zone 6a) Moderate season
187 days
Last Spring Frost April 17
187 growing days
First Fall Frost October 21

Atchison County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.8

Drainage

Well Drained

Monthly Watering Guide for Cilantro

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

Month Cilantro Needs Rainfall You Supplement Action
Jan 0.6" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.8" 0" ❄️ Dormant
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 3.5" 0.8" 💧 Light watering
Aug 4.3" 2.9" 1.4" 💧 Light watering
Sep 4.3" 2.1" 2.2" 🚿 Regular watering
Oct 4.3" 1.9" 2.4" 🚿 Regular watering
Nov 0.9" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

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

Cilantro Planting Timeline — Atchison County, KS

Cilantro Planting Calendar

Activity When Date Range
Start Indoors March 13 Mar 13 – Mar 27
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow April 3 Apr 3 – Apr 24
Harvest May 22 May 22 – Jul 24
Fall Sowing August 12 Aug 12 – Aug 26

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

187 days in Atchison County

Growing Tips for Atchison County

Succession sow every 2-3 weeks. Provide afternoon shade in warm weather. Harvest leaves before flowering or allow some plants to go to seed for coriander and self-sowing.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cilantro in Atchison County, KS?

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

What planting zone is Atchison County, KS?

Atchison County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 21.

When should I plant Cilantro in Atchison County, KS?

In Atchison County, KS, plant Cilantro after the last frost (around April 17) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Atchison County, KS for Cilantro?

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

Can Cilantro grow in Atchison County's climate?

Yes — Cilantro grows well in Atchison County's temperate climate. Atchison County averages a 187-day frost-free season, with last frost around April 17 and first frost around October 21.

🌱

Your Atchison County Garden Planner — Free

A 22-page printable planner built for Atchison 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 Atchison County, KS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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