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When to plant Echinacea (Purple Coneflower) in Chilton County County,

Echinacea (Purple Coneflower) planted in Chilton County County between March 14 and April 4 matures in 90 days — well before the November 14 first frost.

When to Plant Echinacea (Purple Coneflower) in Chilton County, AL

Chilton County, Alabama Zone 8b June

This month in Chilton County, Alabama

June is a pivotal month for Chilton County, Alabama gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 14
Avg. first frost November 14
Soil temp (4") 77°F
Watering Low
Pest pressure High
Daylight 14.2 hrs
  1. Bring in the echinacea (purple coneflower)

    Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.

Coming up in July — start thinking about
  • First harvests: echinacea (purple coneflower)

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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.

Chilton County, Alabama is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 310 feet, Chilton County receives approximately 50.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89°F, providing good warmth for Echinacea (Purple Coneflower) during the growing season. Clay soil retains moisture well for Echinacea (Purple Coneflower), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Echinacea (Purple Coneflower) root diseases.

Perennial Blooms in Summer Pollinator-friendly Deer-resistant Good for cutting
Chilton County, AL (Zone 8b) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14

Chilton County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Echinacea (Purple Coneflower) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (34 days to spare)
Start indoors: Jan 10 Transplant: Mar 7 🌸 Bloom: May 16 – Oct 3
Recommended (50%) ✓ Fits season (35 days to spare)
Start indoors: Jan 17 Transplant: Mar 14 🌸 Bloom: May 23 – Oct 10
Safe Start (90%) ✓ Fits season (31 days to spare)
Start indoors: Feb 6 Transplant: Apr 3 🌸 Bloom: Jun 12 – Oct 30

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 Chilton County

How your county's soil matches Echinacea (Purple Coneflower)'s growing requirements.

Soil pH

Your soil pH (5.5–6.6) overlaps with Echinacea (Purple Coneflower)'s range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Chilton County is excellent for Echinacea (Purple Coneflower) — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.8%). Annual compost additions will help Echinacea (Purple Coneflower).

How to Plant Echinacea (Purple Coneflower)

0.3"
Planting Depth
18"
Between Plants
24"
Between Rows

Succession Planting Echinacea (Purple Coneflower)

4
successive plantings in your 245-day season

Sow every 8 weeks. Last sowing by Aug 16 to harvest before frost.

Echinacea (Purple Coneflower) Water Budget

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

Monthly Watering Guide for Echinacea (Purple Coneflower)

Echinacea (Purple Coneflower) 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 (Purple Coneflower) Needs Rainfall You Supplement Action
Jan 4" 0" ❄️ Dormant
Feb 4.5" 0" ❄️ Dormant
Mar 2.2" 5.4" 0" ✅ Rainfall sufficient
Apr 2.2" 4.1" 0" ✅ Rainfall sufficient
May 2.2" 3.8" 0" ✅ Rainfall sufficient
Jun 2.2" 3.9" 0" ✅ Rainfall sufficient
Jul 2.2" 5.1" 0" ✅ Rainfall sufficient
Aug 2.2" 5.2" 0" ✅ Rainfall sufficient
Sep 2.2" 4.1" 0" ✅ Rainfall sufficient
Oct 2.2" 2.8" 0" ✅ Rainfall sufficient
Nov 2.2" 3.4" 0" ✅ Rainfall sufficient
Dec 4.3" 0" ❄️ Dormant

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

Echinacea (Purple Coneflower) 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 (Purple Coneflower) needs ~1,340 GDD — county provides 4,103 GDD Excellent fit

Echinacea (Purple Coneflower) Planting Timeline — Chilton County, AL

Echinacea (Purple Coneflower) Planting Calendar

Activity When Date Range
Start Indoors January 17 Jan 17 – Jan 31
Transplant Outdoors March 14 Mar 14 – Mar 28
Direct Sow March 14 Mar 14 – Apr 4
Bloom May 23 May 23 – Oct 10

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

245 days in Chilton County

Growing Tips for Echinacea (Purple Coneflower) in Chilton County

Direct sow Echinacea (Purple Coneflower) outdoors after March 14 in Chilton County when soil has warmed and frost danger has passed.

With Chilton County's clay soil (34% clay), work in 3-4 inches of compost before planting Echinacea (Purple Coneflower). Avoid tilling when soil is wet to prevent compaction.

Common pests for Echinacea (Purple Coneflower) 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 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 Chilton County, AL?

Chilton County is in Zone 8b with an average last frost of March 14. Plan your Echinacea (Purple Coneflower) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chilton County, AL?

Chilton County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 14.

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

In Chilton County, , plant Echinacea (Purple Coneflower) after the last frost (around March 14) and before the first frost (around November 14). Best results when soil holds above 50°F.

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

Chilton County sits in USDA Zone 8b. Echinacea (Purple Coneflower) grows reliably in zones 3a through 9b, so it's a good fit here.

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

Yes — Echinacea (Purple Coneflower) grows well in Chilton County's temperate climate. Chilton County averages a 245-day frost-free season, with last frost around March 14 and first frost around November 14.

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A 22-page printable planner built for Chilton County (Zone 8b). 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 Chilton County, AL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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