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When to Plant Echinacea in Nemaha County, KS

Echinacea (purple coneflower) is a native prairie perennial valued for its immune-supporting properties and beautiful daisy-like flowers that attract pollinators.

Nemaha County, Kansas is in USDA Zone 5b. The average last spring frost is April 23 and the first fall frost is October 10, giving you a growing season of approximately 170 days.

At an elevation of 665 feet, Nemaha County receives approximately 21.7 inches of rainfall annually with predominantly loam soil. Summer highs average 85ยฐF, providing good warmth for Echinacea during the growing season.

Nemaha County, KS (Zone 5b) Moderate season
170 days
Last Spring Frost April 23
170 growing days
First Fall Frost October 10

Nemaha County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.4

Drainage

Well Drained

Monthly Watering Guide for Echinacea

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

Month Echinacea Needs Rainfall You Supplement Action
Jan โ€” 0.6" 0" โ„๏ธ Dormant
Feb โ€” 0.7" 0" โ„๏ธ Dormant
Mar โ€” 1.5" 0" โ„๏ธ Dormant
Apr 4.3" 2.3" 2" ๐Ÿ’ง Light watering
May 4.3" 3.2" 1.1" ๐Ÿ’ง Light watering
Jun 4.3" 3.4" 0.9" ๐Ÿ’ง Light watering
Jul 4.3" 3.1" 1.2" ๐Ÿ’ง Light watering
Aug 4.3" 2.3" 2" ๐Ÿ’ง Light watering
Sep 4.3" 2.2" 2.1" ๐Ÿ’ง Light watering
Oct 4.3" 1.2" 3.1" ๐Ÿšฟ Regular watering
Nov โ€” 0.8" 0" โ„๏ธ Dormant
Dec โ€” 0.6" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Aprโ€“Oct in Nemaha County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Echinacea Planting Timeline โ€” Nemaha County, KS

Echinacea Planting Calendar

Activity When Date Range
Transplant Outdoors April 30 Apr 30 โ€“ May 14
Harvest September 3 Sep 3 โ€“ Oct 15

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May Transplant Outdoors
June โ€”
July โ€”
August โ€”
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

Low โ€” drought tolerant

๐Ÿ“… Days to Maturity

120โ€“180 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 5b

๐Ÿ“† Growing Season

170 days in Nemaha County

Growing Tips for Nemaha County

Start seeds indoors 8-10 weeks before last frost or direct sow in fall for spring germination. Seeds need cold stratification. Deadhead to prolong blooming or leave seed heads for birds.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Echinacea in Nemaha County, KS?

Nemaha County is in Zone 5b with an average last frost of April 23. Plan your Echinacea planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Nemaha County, KS?

Nemaha County, Kansas is in USDA Hardiness Zone 5b. The average last spring frost is April 23 and first fall frost is October 10.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Nemaha County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Nemaha County, KS. Local conditions may vary. Last updated: April 2026.