When to plant Persimmon in Knox County, ME
In Knox County, Persimmon is a single-season spring crop — there's no second fall window. Plant May 23–June 6 for an 1095–2555-day harvest, finishing well before the October 12 first frost.
When to Plant Persimmon in Knox County, ME
Persimmons are ornamental trees producing sweet, honey-flavored fruits in fall. American persimmons are astringent until fully ripe while Asian types can be eaten firm.
Knox County, Maine is in USDA Zone 6a. The average last spring frost is May 2 and the first fall frost is October 12, giving you a growing season of approximately 163 days.
At an elevation of 408 feet, Knox County receives approximately 41.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Persimmon to ensure they mature before fall.
Knox County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Persimmon Planting Timeline — Knox County, ME
Persimmon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 23 | May 23 – Jun 6 |
· 120" apart · Rows 144" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
1095–2555 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
163 days in Knox County
Growing Tips for Knox County
Choose self-fertile varieties or plant male and female trees. American types must be fully soft-ripe before eating. Asian varieties may be eaten when firm. Minimal pruning needed.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Persimmon in Other Locations
Frequently Asked Questions
When should I plant Persimmon in Knox County, ME?
Knox County is in Zone 6a with an average last frost of May 2. Plan your Persimmon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Knox County, ME?
Knox County, Maine is in USDA Hardiness Zone 6a. The average last spring frost is May 2 and first fall frost is October 12.
When should I plant Persimmon in Knox County, ME?
In Knox County, ME, plant Persimmon after the last frost (around May 2) and before the first frost (around October 12). Best results when soil holds above 50°F.
What growing zone is Knox County, ME for Persimmon?
Knox County sits in USDA Zone 6a. Persimmon grows reliably in zones 4a through 9b, so it's a good fit here.
Can Persimmon grow in Knox County's climate?
Yes — Persimmon grows well in Knox County's temperate climate. Knox County averages a 163-day frost-free season, with last frost around May 2 and first frost around October 12.
Your Knox County Garden Planner — Free
A 22-page printable planner built for Knox County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.