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When to plant Haskaps in Deckerville, MI

Deckerville's short 166-day growing season means one Haskaps planting between May 25 and June 8. No fall crop in Zone 6a.

When to Plant Haskaps in Deckerville, MI

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

Deckerville, Michigan is in USDA Zone 6a. The average last spring frost is May 4 and the first fall frost is October 17, giving you a growing season of approximately 166 days.

At an elevation of 985 feet, Sanilac County receives approximately 37 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Haskaps during the growing season.

Deckerville, MI (Zone 6a) Moderate season
166 days
Last Spring Frost May 4
166 growing days
First Fall Frost October 17

Deckerville Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7

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 1.3" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 3.9" 0" ❄️ Dormant
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 4.5" 0" ✅ Rainfall sufficient
Aug 4.3" 3.4" 0.9" 💧 Light watering
Sep 4.3" 3.8" 0.5" 💧 Light watering
Oct 4.3" 2.8" 1.5" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 2.1" 0" ❄️ Dormant

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

Haskaps Planting Timeline — Deckerville, MI

Haskaps Planting Calendar

Activity When Date Range
Transplant Outdoors May 25 May 25 – Jun 8

· 48" apart · Rows 72" apart

Month-by-Month Timeline

MonthActivities
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

730–1095 days

🧪 Soil pH

Needs 5.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

166 days in Sanilac County

Growing Tips for Deckerville

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 Deckerville, MI?

In Deckerville, MI, plant Haskaps after the last frost (around May 4) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Deckerville, MI for Haskaps?

Deckerville sits in USDA Zone 6a. Haskaps grows reliably in zones 2a through 7b, so it's a good fit here.

Can Haskaps grow in Deckerville's climate?

Yes — Haskaps grows well in Deckerville's temperate climate. Deckerville averages a 166-day frost-free season, with last frost around May 4 and first frost around October 17.

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Your Sanilac County Garden Planner — Free

A 22-page printable planner built for Sanilac 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.

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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 Sanilac County, MI. Local conditions may vary. Last updated: June 2026.