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When to Plant Echinacea in Breckinridge County, KY

Breckinridge County, Kentucky Zone 7a May

May to-do list for Breckinridge County, Kentucky

Your garden in Breckinridge County, Kentucky is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost April 4
Avg. first frost November 3
Soil temp (4") 53°F
Watering Moderate
Pest pressure Low
Daylight 14 hrs

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

Breckinridge County, Kentucky is in USDA Zone 7a. The average last spring frost is April 4 and the first fall frost is November 3, giving you a growing season of approximately 213 days.

At an elevation of 3,500 feet, Breckinridge County receives approximately 50.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Echinacea during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Echinacea root diseases.

Breckinridge County, KY (Zone 7a) Long season
213 days
Last Spring Frost April 4
213 growing days
First Fall Frost November 3
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Breckinridge County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 4 🍅 Harvest: Aug 8 – Nov 14
Recommended (50%) ✗ May not fit
Transplant: Apr 11 🍅 Harvest: Aug 15 – Nov 21
Safe Start (90%) ✗ May not fit
Transplant: Apr 24 🍅 Harvest: Aug 28 – Dec 4

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 Breckinridge County

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

Soil pH

Your soil pH (5.7–7.0) overlaps with Echinacea's range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in Breckinridge County is excellent for Echinacea — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.2%). Annual compost additions will help Echinacea.

How to Plant Echinacea

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Echinacea

Echinacea needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Echinacea Needs Rainfall You Supplement Action
Jan 4.9" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 4.8" 0" ❄️ Dormant
Apr 2.2" 3.8" 0" ✅ Rainfall sufficient
May 2.2" 3.6" 0" ✅ Rainfall sufficient
Jun 2.2" 4.2" 0" ✅ Rainfall sufficient
Jul 2.2" 4.8" 0" ✅ Rainfall sufficient
Aug 2.2" 4.5" 0" ✅ Rainfall sufficient
Sep 2.2" 4.3" 0" ✅ Rainfall sufficient
Oct 2.2" 3.2" 0" ✅ Rainfall sufficient
Nov 2.2" 3.6" 0" ✅ Rainfall sufficient
Dec 4.8" 0" ❄️ Dormant

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

Echinacea 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.

Echinacea needs ~2,625 GDD — county provides 3,727 GDD Excellent fit

Echinacea Planting Timeline — Breckinridge County, KY

Echinacea Planting Calendar

Activity When Date Range
Transplant Outdoors April 11 Apr 11 – Apr 25
Harvest August 15 Aug 15 – Nov 21

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May
June
July
August Harvest
September Harvest
October Harvest
November Harvest
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

120–180 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

213 days in Breckinridge County

Growing Tips for Echinacea in Breckinridge County

Direct sow Echinacea outdoors after April 04 in Breckinridge County when soil has warmed and frost danger has passed.

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

General growing tips

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 Breckinridge County, KY?

Breckinridge County is in Zone 7a with an average last frost of April 4. Plan your Echinacea planting based on this frost date — see the calendar above for exact timing.

What planting zone is Breckinridge County, KY?

Breckinridge County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 4 and first fall frost is November 3.

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Your Breckinridge County Garden Planner — Free

A 24-page printable planner built for Breckinridge County (Zone 7a). 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 Breckinridge County, KY. Local conditions may vary. Last updated: May 2026.

Sources & credits

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