When to Plant Persimmon in Latah County, ID
Your May planting checklist for Latah County, Idaho
We've pulled the most time-sensitive tasks for Latah County, Idaho this May and put them front and centre. Tackle them in order.
Coming up in June — start thinking about
- Transplants going out: persimmon
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.
Latah County, Idaho is in USDA Zone 6b. The average last spring frost is May 11 and the first fall frost is September 23, giving you a growing season of approximately 135 days.
At an elevation of 5,530 feet, Latah County receives approximately 14.8 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Persimmon during the growing season. With low rainfall, drip irrigation is essential for growing Persimmon successfully. Mulch heavily to conserve soil moisture.
Latah County Soil Profile
Soil Type
Loam
Soil pH
6.7-8
Drainage
Well Drained
Plant 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 Latah County
How your county's soil matches Persimmon's growing requirements.
Soil pH
Your soil pH (6.7–8.0) overlaps with Persimmon's range (6.0–7.5), though not a perfect match.
Soil Texture
The loam soil in Latah County is excellent for Persimmon — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Persimmon.
Organic Matter
Organic matter is moderate (2.6%). Annual compost additions will help Persimmon.
How to Plant Persimmon
Plant Water Budget
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Persimmon
Persimmon needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Persimmon Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.1" | 0" | ❄️ Dormant |
| Feb | — | 0.7" | 0" | ❄️ Dormant |
| Mar | — | 1.3" | 0" | ❄️ Dormant |
| Apr | — | 1.3" | 0" | ❄️ Dormant |
| May | 4.3" | 1.6" | 2.7" | 🚿 Regular watering |
| Jun | 4.3" | 1" | 3.3" | 🚿 Regular watering |
| Jul | 4.3" | 1.4" | 2.9" | 🚿 Regular watering |
| Aug | 4.3" | 1.7" | 2.6" | 🚿 Regular watering |
| Sep | 4.3" | 1.3" | 3" | 🚿 Regular watering |
| Oct | — | 1.3" | 0" | ❄️ Dormant |
| Nov | — | 1" | 0" | ❄️ Dormant |
| Dec | — | 1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Sep in Latah County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Persimmon 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.
Persimmon Planting Timeline — Latah County, ID
Persimmon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 1 | Jun 1 – Jun 15 |
· 120" apart · Rows 144" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · 2-3 times/week
📅 Days to Maturity
1095–2555 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 6b
📆 Growing Season
135 days in Latah County
Growing Tips for Persimmon in Latah County
Direct sow Persimmon outdoors after May 11 in Latah County when soil has warmed and frost danger has passed.
Your 135.0-day growing season in Latah County is tight for Persimmon (1095.0-2555.0 days to maturity). Start indoors and choose early-maturing varieties.
Latah County receives only 15" of rain annually. Persimmon needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.
General growing tips
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 Latah County, ID?
Latah County is in Zone 6b with an average last frost of May 11. Plan your Persimmon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Latah County, ID?
Latah County, Idaho is in USDA Hardiness Zone 6b. The average last spring frost is May 11 and first fall frost is September 23.
Your Latah County Garden Planner — Free
A 24-page printable planner built for Latah County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.