When to plant Begonias in Bullitt County County,
Bullitt County County sits in cold Zone 7a. Plant Begonias April 7–April 21 for the single annual harvest; the October 30 first frost closes the window.
When to Plant Begonias in Bullitt County, KY
June to-do list for Bullitt County, Kentucky
Your Bullitt County, Kentucky garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.
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Time to start begonias inside
These need a head start before your last frost (April 7). Sow into cells now so you're ready to transplant in a few weeks.
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Start harvesting begonias
If you can't use it all right away, check the food-preservation section of your planner.
Get ahead of July
- First harvests: begonias
Wax begonias (Begonia × semperflorens) are the workhorse shade bedding plant of American horticulture, offering continuous bloom from transplant to hard frost. Bronze or green-leaved varieties perform well from deep shade to full sun (in northern zones) and tolerate summer humidity better than most cool- season flowers. A staple of mass plantings, containers, and window boxes.
Bullitt County, Kentucky is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 30, giving you a growing season of approximately 206 days.
At an elevation of 2,437 feet, Bullitt County receives approximately 46.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Begonias during the growing season.
Bullitt County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-6.7
Drainage
Well Drained
Begonias Planting Risk Windows
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 Bullitt County
How your county's soil matches Begonias's growing requirements.
Soil pH
Your soil pH (5.8–6.7) overlaps with Begonias's range (5.5–6.5), though not a perfect match.
Soil Texture
The silt loam soil in Bullitt County is excellent for Begonias — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.6%). Annual compost additions will help Begonias.
How to Plant Begonias
Succession Planting Begonias
Sow every 8 weeks. Last sowing by Aug 01 to harvest before frost.
Begonias Water Budget
Monthly Watering Guide for Begonias
Begonias needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Begonias Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.4" | 0" | ❄️ Dormant |
| Feb | — | 4.1" | 0" | ❄️ Dormant |
| Mar | — | 3.7" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| May | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Jun | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Jul | 4.3" | 4.9" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.3" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| Oct | 4.3" | 3" | 1.3" | 💧 Light watering |
| Nov | — | 3.5" | 0" | ❄️ Dormant |
| Dec | — | 4" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Bullitt County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Begonias 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.
Begonias Planting Timeline — Bullitt County, KY
Begonias Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 27 | Jan 27 – Feb 10 |
| Transplant Outdoors | April 7 | Apr 7 – Apr 21 |
| Bloom | June 16 | Jun 16 – Oct 6 |
· 8" apart · Rows 10" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | Bloom |
| October | Bloom |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · Only during dry spells
📅 Days to Maturity
70–90 days
🧪 Soil pH
Needs 5.5–6.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 7a
📆 Growing Season
206 days in Bullitt County
Growing Tips for Begonias in Bullitt County
Direct sow Begonias outdoors after April 07 in Bullitt County when soil has warmed and frost danger has passed.
General growing tips
Start seeds indoors 10–12 weeks before last frost — seed is dust-fine; surface-sow on moist mix under lights, do not cover. Bottom heat (70–75°F) speeds germination. Transplant after frost; begonias are not direct-sown in practice. Pinch seedlings once for branching. Keep soil evenly moist; avoid waterlogged conditions. Bronze-leaf types tolerate more sun; green- leaf types prefer shade to part-sun.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Begonias in Other Locations
Frequently Asked Questions
When should I plant Begonias in Bullitt County, KY?
Bullitt County is in Zone 7a with an average last frost of April 7. Plan your Begonias planting based on this frost date — see the calendar above for exact timing.
What planting zone is Bullitt County, KY?
Bullitt County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 30.
When should I plant Begonias in Bullitt County County, ?
In Bullitt County County, , plant Begonias after the last frost (around April 7) and before the first frost (around October 30). Best results when soil holds above 50°F.
What growing zone is Bullitt County County, for Begonias?
Bullitt County County sits in USDA Zone 7a. Begonias grows reliably in zones 2a through 11b, so it's a good fit here.
Can Begonias grow in Bullitt County County's climate?
Yes — Begonias grows well in Bullitt County County's temperate climate. Bullitt County County averages a 206-day frost-free season, with last frost around April 7 and first frost around October 30.
Your Bullitt County Garden Planner — Free
A 22-page printable planner built for Bullitt County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.