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When to plant Persimmon in Lewis County, ID

In Lewis County, Persimmon is a single-season spring crop — there's no second fall window. Plant June 10–June 24 for an 1095–2555-day harvest, finishing well before the September 23 first frost.

When to Plant Persimmon in Lewis County, ID

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.

Lewis County, Idaho is in USDA Zone 6b. The average last spring frost is May 20 and the first fall frost is September 23, giving you a growing season of approximately 126 days.

At an elevation of 4,861 feet, Lewis County receives approximately 13.5 inches of rainfall annually with predominantly loam soil. Summer highs average 90°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.

Lewis County, ID (Zone 6b) Short season
126 days
Last Spring Frost May 20
126 growing days
First Fall Frost September 23

Lewis County Soil Profile

Soil Type

Loam

Soil pH

6.7-8

Drainage

Well Drained

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" 0" ❄️ Dormant
Feb 0.7" 0" ❄️ Dormant
Mar 1.1" 0" ❄️ Dormant
Apr 1.4" 0" ❄️ Dormant
May 4.3" 1.7" 2.6" 🚿 Regular watering
Jun 4.3" 0.8" 3.5" 🚿 Regular watering
Jul 4.3" 1.2" 3.1" 🚿 Regular watering
Aug 4.3" 1.4" 2.9" 🚿 Regular watering
Sep 4.3" 1.2" 3.1" 🚿 Regular watering
Oct 1.3" 0" ❄️ Dormant
Nov 0.8" 0" ❄️ Dormant
Dec 0.9" 0" ❄️ Dormant

Water needs are for active growing months only (May–Sep in Lewis County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Persimmon Planting Timeline — Lewis County, ID

Persimmon Planting Calendar

Activity When Date Range
Transplant Outdoors June 10 Jun 10 – Jun 24

· 120" apart · Rows 144" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
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 6b

📆 Growing Season

126 days in Lewis County

Growing Tips for Lewis 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 →

Frequently Asked Questions

When should I plant Persimmon in Lewis County, ID?

Lewis County is in Zone 6b with an average last frost of May 20. Plan your Persimmon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lewis County, ID?

Lewis County, Idaho is in USDA Hardiness Zone 6b. The average last spring frost is May 20 and first fall frost is September 23.

When should I plant Persimmon in Lewis County, ID?

In Lewis County, ID, plant Persimmon after the last frost (around May 20) and before the first frost (around September 23). Best results when soil holds above 50°F.

What growing zone is Lewis County, ID for Persimmon?

Lewis County sits in USDA Zone 6b. Persimmon grows reliably in zones 4a through 9b, so it's a good fit here.

Can Persimmon grow in Lewis County's climate?

Yes — Persimmon grows well in Lewis County's temperate climate. Lewis County averages a 126-day frost-free season, with last frost around May 20 and first frost around September 23.

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Your Lewis County Garden Planner — Free

A 22-page printable planner built for Lewis 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.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Lewis County, ID. Local conditions may vary. Last updated: June 2026.

Sources & credits

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