When to plant Ageratum in Stone County, AR
Stone County's climate puts the Ageratum spring window between April 1 and April 22. most warm-season crops establish quickly once soil holds above 60°F.
When to Plant Ageratum in Stone County, AR
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.
Stone County, Arkansas is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is October 27, giving you a growing season of approximately 209 days.
At an elevation of 1,490 feet, Stone County receives approximately 48.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Ageratum during the growing season.
Stone County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Ageratum Planting Timeline — Stone County, AR
Ageratum Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 18 | Feb 18 – Mar 4 |
| Transplant Outdoors | April 1 | Apr 1 – Apr 15 |
| Direct Sow | April 1 | Apr 1 – Apr 22 |
| Bloom | May 27 | May 27 – Sep 30 |
· 8" apart · Rows 10" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Bloom |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | Bloom |
| October | — |
| November | — |
| December | — |
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 7b
📆 Growing Season
209 days in Stone County
Growing Tips for Stone 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
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Ageratum in Other Locations
Frequently Asked Questions
When should I plant Ageratum in Stone County, AR?
Stone County is in Zone 7b with an average last frost of April 1. Plan your Ageratum planting based on this frost date — see the calendar above for exact timing.
What planting zone is Stone County, AR?
Stone County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is October 27.
When should I plant Ageratum in Stone County, AR?
In Stone County, AR, plant Ageratum after the last frost (around April 1) and before the first frost (around October 27). Best results when soil holds above 50°F.
What growing zone is Stone County, AR for Ageratum?
Stone County sits in USDA Zone 7b. Ageratum grows reliably in zones 3a through 11b, so it's a good fit here.
Can Ageratum grow in Stone County's climate?
Yes — Ageratum grows well in Stone County's temperate climate. Stone County averages a 209-day frost-free season, with last frost around April 1 and first frost around October 27.
Your Stone County Garden Planner — Free
A 22-page printable planner built for Stone County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.