When to plant Impatiens in Collier County, FL
In Collier County, Impatiens is a single-season spring crop — there's no second fall window. Plant November 20–December 4 for an 60–75-day harvest, finishing well before the December 31 first frost.
When to Plant Impatiens in Collier County, FL
Impatiens (Impatiens walleriana) are the go-to annual for shaded beds and containers. They produce a continuous carpet of flat-faced blooms from transplant until frost, needing little deadheading. Their preference for consistent moisture and part-shade makes them ideal under trees and along north-facing borders.
Collier County, Florida is in USDA Zone 10b. The average last spring frost is January 1 and the first fall frost is December 31, giving you a growing season of approximately 364 days.
At an elevation of 185 feet, Collier County receives approximately 61.3 inches of rainfall annually with predominantly sand soil. Summer highs average 85°F, providing good warmth for Impatiens during the growing season. Sandy soil warms quickly in spring — great for early planting — but Impatiens will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Impatiens root diseases.
Collier County Soil Profile
Soil Type
Sand
Soil pH
6.0-7.0
Drainage
Well Drained
Impatiens Planting Timeline — Collier County, FL
Impatiens Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | November 6 | Nov 6 – Nov 20 |
| Transplant Outdoors | November 20 | Nov 20 – Dec 4 |
| Bloom | January 29 | Jan 29 – Aug 27 |
· 10" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Bloom |
| February | Bloom |
| March | Bloom |
| April | Bloom |
| May | Bloom |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | — |
| October | — |
| November | Start Indoors Transplant Outdoors |
| December | Transplant Outdoors |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–75 days
🧪 Soil pH
Needs 6–6.5 · Your soil: N/A
🗺️ USDA Zone
Zone 10b
📆 Growing Season
365 days in Collier County
Growing Tips for Collier County
Start seeds indoors 8–10 weeks before last frost at 70–75°F; germination requires light — do not cover seeds. Transplant after last frost once nights consistently exceed 50°F. Water regularly — wilting causes bud drop and they rarely fully recover the same flush. Watch for impatiens downy mildew (IDM); consider New Guinea impatiens as a resistant alternative in affected regions. Pinch tips at planting to encourage branching.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Impatiens in Other Locations
Frequently Asked Questions
When should I plant Impatiens in Collier County, FL?
Collier County is in Zone 10b with an average last frost of January 1. Plan your Impatiens planting based on this frost date — see the calendar above for exact timing.
What planting zone is Collier County, FL?
Collier County, Florida is in USDA Hardiness Zone 10b. The average last spring frost is January 1 and first fall frost is December 31.
When should I plant Impatiens in Collier County, FL?
In Collier County, FL, plant Impatiens after the last frost (around January 1) and before the first frost (around December 31). Best results when soil holds above 50°F.
What growing zone is Collier County, FL for Impatiens?
Collier County sits in USDA Zone 10b. Impatiens grows reliably in zones 2a through 11b, so it's a good fit here.
Can Impatiens grow in Collier County's climate?
Yes — Impatiens grows well in Collier County's temperate climate. Collier County averages a 365-day frost-free season, with last frost around January 1 and first frost around December 31.
Your Collier County Garden Planner — Free
A 22-page printable planner built for Collier 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.