Blog

When to plant Ageratum in Lee County County,

Lee County County's spring Ageratum window runs December 17 through January 7. aim for a steady week of warm soil before planting.

When to Plant Ageratum in Lee County, FL

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.

Lee County, Florida is in USDA Zone 10b. The average last spring frost is January 28 and the first fall frost is December 19, giving you a growing season of approximately 325 days.

At an elevation of 408 feet, Lee County receives approximately 61.6 inches of rainfall annually with predominantly sand soil. Summer highs average 86°F, providing good warmth for Ageratum during the growing season. Sandy soil warms quickly in spring — great for early planting — but Ageratum will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Ageratum root diseases.

Annual Blooms in Multi-season Pollinator-friendly Good for cutting
Lee County, FL (Zone 10b) Year-round
325 days
Last Spring Frost January 28
325 growing days
First Fall Frost December 19
Share this guide:

Lee County Soil Profile

Soil Type

Sand

Soil pH

6.0-7.0

Drainage

Well Drained

Ageratum Planting Timeline — Lee County, FL

Ageratum Planting Calendar

Activity When Date Range
Start Indoors December 17 Dec 17 – Dec 31
Transplant Outdoors December 17 Dec 17 – Dec 31
Direct Sow December 17 Dec 17 – Jan 7
Bloom February 11 Feb 11 – Sep 9

· 8" apart · Rows 10" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–75 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 10b

📆 Growing Season

325 days in Lee County

Growing Tips for Lee County

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 Lee County, FL?

Lee County is in Zone 10b with an average last frost of January 28. Plan your Ageratum planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lee County, FL?

Lee County, Florida is in USDA Hardiness Zone 10b. The average last spring frost is January 28 and first fall frost is December 19.

When should I plant Ageratum in Lee County County, ?

In Lee County County, , plant Ageratum after the last frost (around January 28) and before the first frost (around December 19). Best results when soil holds above 50°F.

What growing zone is Lee County County, for Ageratum?

Lee County County sits in USDA Zone 10b. Ageratum grows reliably in zones 3a through 11b, so it's a good fit here.

Can Ageratum grow in Lee County County's climate?

Yes — Ageratum grows well in Lee County County's temperate climate. Lee County County averages a 326-day frost-free season, with last frost around January 28 and first frost around December 19.

🌱

Your Lee County Garden Planner — Free

A 22-page printable planner built for Lee County (Zone 10b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

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