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When to plant Haskaps in Cascade, ID

In Cascade, Haskaps is a single-season spring crop — there's no second fall window. Plant July 9–July 23 for an 730–1095-day harvest, finishing well before the September 3 first frost.

When to Plant Haskaps in Cascade, ID

Haskaps (honeyberries) are extremely cold-hardy shrubs producing elongated blue berries with a complex blueberry-raspberry flavor. They fruit very early in the season.

Cascade, Idaho is in USDA Zone 5a. The average last spring frost is June 18 and the first fall frost is September 3, giving you a growing season of approximately 77 days.

At an elevation of 7,884 feet, Valley County receives approximately 17.8 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Haskaps to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Haskaps successfully. Mulch heavily to conserve soil moisture.

Cascade, ID (Zone 5a) Very short season
77 days
Last Spring Frost June 18
77 growing days
First Fall Frost September 3

Cascade Soil Profile

Soil Type

Loam

Soil pH

6.4-8.4

Drainage

Well Drained

Monthly Watering Guide for Haskaps

Haskaps needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Haskaps Needs Rainfall You Supplement Action
Jan 1.2" 0" ❄️ Dormant
Feb 1" 0" ❄️ Dormant
Mar 1.7" 0" ❄️ Dormant
Apr 2.2" 0" ❄️ Dormant
May 2.1" 0" ❄️ Dormant
Jun 4.3" 1.1" 3.2" 🚿 Regular watering
Jul 4.3" 1.5" 2.8" 🚿 Regular watering
Aug 4.3" 1.9" 2.4" 🚿 Regular watering
Sep 4.3" 1.4" 2.9" 🚿 Regular watering
Oct 1.5" 0" ❄️ Dormant
Nov 1.4" 0" ❄️ Dormant
Dec 0.9" 0" ❄️ Dormant

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

Haskaps Planting Timeline — Cascade, ID

Haskaps Planting Calendar

Activity When Date Range
Transplant Outdoors July 9 Jul 9 – Jul 23

· 48" apart · Rows 72" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June
July Transplant Outdoors
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 5.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

77 days in Valley County

Growing Tips for Cascade

Plant at least two different varieties for cross-pollination. Fruits ripen 2-3 weeks before strawberries. Protect from birds. Very low maintenance once established. Tolerates extreme cold.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

When should I plant Haskaps in Cascade, ID?

In Cascade, ID, plant Haskaps after the last frost (around June 18) and before the first frost (around September 3). Best results when soil holds above 50°F.

What growing zone is Cascade, ID for Haskaps?

Cascade sits in USDA Zone 5a. Haskaps grows reliably in zones 2a through 7b, so it's a good fit here.

Can Haskaps grow in Cascade's climate?

Yes — Haskaps grows well in Cascade's temperate climate. Cascade averages a 77-day frost-free season, with last frost around June 18 and first frost around September 3.

🌱

Your Valley County Garden Planner — Free

A 22-page printable planner built for Valley County (Zone 5a). 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 Valley County, ID. Local conditions may vary. Last updated: June 2026.