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When to plant Ageratum in Baker County, GA

In Baker County, plant Ageratum in spring between February 19 and March 12, once soil temps hold above 50°F. Baker County's last frost averages March 5, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 60–75 days before the first frost on November 21.

When to Plant Ageratum in Baker County, GA

Baker County, Georgia Zone 8b August

Top priorities for Baker County, Georgia gardeners in August

August rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Baker County, Georgia.

Avg. last frost March 5
Avg. first frost November 21
Soil temp (4") 93°F
Watering Low
Pest pressure High
Daylight 13.1 hrs
  1. Start harvesting ageratum

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Ageratum (Ageratum houstonianum), the floss flower, produces clusters of fluffy, powder-puff blooms in the rare sky-blue and lavender tones difficult to find among warm-season annuals. Compact mounding habit makes it ideal as a front-of-border edging plant. Blooms from early summer through fall with minimal deadheading; heat and humidity tolerant once established.

Baker County, Georgia is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 21, giving you a growing season of approximately 261 days.

At an elevation of 454 feet, Baker County receives approximately 48.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Ageratum during the growing season. Clay soil retains moisture well for Ageratum, but amend with compost to improve drainage and prevent root rot.

Annual Blooms in Multi-season Pollinator-friendly Good for cutting
Baker County, GA (Zone 8b) Long season
261 days
Last Spring Frost March 5
261 growing days
First Fall Frost November 21

Baker County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.5

Drainage

Well Drained

Ageratum Planting Risk Windows

Early Start (70% safe) ✓ Fits season (70 days to spare)
Start indoors: Jan 10 Transplant: Feb 7 🌸 Bloom: Apr 4 – Sep 5
Recommended (50%) ✓ Fits season (65 days to spare)
Start indoors: Jan 22 Transplant: Feb 19 🌸 Bloom: Apr 16 – Sep 17
Safe Start (90%) ✓ Fits season (68 days to spare)
Start indoors: Feb 12 Transplant: Mar 12 🌸 Bloom: May 7 – Oct 8

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 Baker County

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

Soil pH

Your soil pH (5.7–6.5) overlaps with Ageratum's range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Baker County is excellent for Ageratum — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Ageratum.

How to Plant Ageratum

8"
Between Plants
10"
Between Rows

Succession Planting Ageratum

5
successive plantings in your 261-day season

Sow every 6.9 weeks. Last sowing by Sep 07 to harvest before frost.

Ageratum Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 621 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Ageratum

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

Month Ageratum Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 4.4" 0" ❄️ Dormant
Mar 4.3" 4.5" 0" ✅ Rainfall sufficient
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.1" 0" ✅ Rainfall sufficient
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 4.3" 4" 0.3" 💧 Light watering
Dec 3.5" 0" ❄️ Dormant

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

Ageratum 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.

Ageratum needs ~1,282 GDD — county provides 4,959 GDD Excellent fit

Ageratum Planting Timeline — Baker County, GA

Ageratum Planting Calendar

Activity When Date Range
Start Indoors January 22 Jan 22 – Feb 5
Transplant Outdoors February 19 Feb 19 – Mar 5
Direct Sow February 19 Feb 19 – Mar 12
Bloom April 16 Apr 16 – Sep 17

· 8" apart · Rows 10" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

60–75 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

261 days in Baker County

Growing Tips for Ageratum in Baker County

Direct sow Ageratum outdoors after March 05 in Baker County when soil has warmed and frost danger has passed.

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

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

General growing tips

Start seeds indoors 6–8 weeks before last frost — do not cover seed; it needs light to germinate. Can be direct-sown after last frost once soil warms to 60°F. Transplant or thin to proper spacing after frost danger passes. Deadheading isn't strictly required but tidying spent clusters improves appearance. Provide consistent moisture; drought causes premature setting. Avoid deep shade — blooms best in full sun to light afternoon shade.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Ageratum in Baker County, GA?

Baker County is in Zone 8b with an average last frost of March 5. Plan your Ageratum planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baker County, GA?

Baker County, Georgia is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 21.

When should I plant Ageratum in Baker County, GA?

In Baker County, GA, plant Ageratum after the last frost (around March 5) and before the first frost (around November 21). Best results when soil holds above 50°F.

What growing zone is Baker County, GA for Ageratum?

Baker County sits in USDA Zone 8b. Ageratum grows reliably in zones 3a through 11b, so it's a good fit here.

Can Ageratum grow in Baker County's climate?

Yes — Ageratum grows well in Baker County's temperate climate. Baker County averages a 261-day frost-free season, with last frost around March 5 and first frost around November 21.

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A 22-page printable planner built for Baker 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 Baker County, GA. Local conditions may vary. Last updated: August 2026.

Sources & credits

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