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When to plant Echinacea (Purple Coneflower) in Moniteau County, MO

Plant Echinacea (Purple Coneflower) in Moniteau County after April 9; the prime window is April 16–May 7.

When to Plant Echinacea (Purple Coneflower) in Moniteau County, MO

Echinacea purpurea (Purple Coneflower) is a long-lived native prairie perennial and one of the most valuable pollinator plants in North American gardens. Its distinctive daisy-like blooms — swept-back lavender-pink petals surrounding a spiny orange-brown cone — attract bees, butterflies, and goldfinches from summer into fall. Drought-tolerant once established, adaptable to average soils, and impressively long-lived; mature clumps bloom reliably for decades.

Moniteau County, Missouri is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is October 27, giving you a growing season of approximately 201 days.

At an elevation of 722 feet, Moniteau County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Echinacea (Purple Coneflower) during the growing season.

Perennial Blooms in Summer Pollinator-friendly Deer-resistant Good for cutting
Moniteau County, MO (Zone 6b) Long season
201 days
Last Spring Frost April 9
201 growing days
First Fall Frost October 27

Moniteau County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Echinacea (Purple Coneflower) Planting Timeline — Moniteau County, MO

Echinacea (Purple Coneflower) Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 – Feb 19
Transplant Outdoors April 16 Apr 16 – Apr 30
Direct Sow April 16 Apr 16 – May 7
Bloom July 2 Jul 2 – Oct 22

Plant 0.3" deep · 18" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

201 days in Moniteau County

Growing Tips for Moniteau County

Start seeds indoors 8–10 weeks before last frost or direct-sow in fall for natural cold stratification. Seeds require 4–8 weeks of cold moist stratification (or fall sowing) for best germination. Transplant when night temps stay above 50°F. Full sun is essential for heavy bloom. Avoid over-fertilizing — lean soil produces more compact, floriferous plants. Deadhead for continuous bloom but leave some cones standing in fall for goldfinch seed harvest. Year 2+ plants bloom most heavily; first-year transplants may produce limited flowers. Divide congested clumps every 3–4 years in early spring.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Echinacea (Purple Coneflower) in Moniteau County, MO?

Moniteau County is in Zone 6b with an average last frost of April 9. Plan your Echinacea (Purple Coneflower) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Moniteau County, MO?

Moniteau County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 9 and first fall frost is October 27.

When should I plant Echinacea (Purple Coneflower) in Moniteau County, MO?

In Moniteau County, MO, plant Echinacea (Purple Coneflower) after the last frost (around April 9) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Moniteau County, MO for Echinacea (Purple Coneflower)?

Moniteau County sits in USDA Zone 6b. Echinacea (Purple Coneflower) grows reliably in zones 3a through 9b, so it's a good fit here.

Can Echinacea (Purple Coneflower) grow in Moniteau County's climate?

Yes — Echinacea (Purple Coneflower) grows well in Moniteau County's temperate climate. Moniteau County averages a 201-day frost-free season, with last frost around April 9 and first frost around October 27.

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Your Moniteau County Garden Planner — Free

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

Sources & credits

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