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When to plant Haskaps in Delta County, MI

Plant Haskaps in Delta County, between June 2 and June 16 — the only viable window. Zone 5a's short season (155 frost-free days) rules out a fall crop.

When to Plant Haskaps in Delta County, 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.

Delta County, Michigan is in USDA Zone 5a. The average last spring frost is May 12 and the first fall frost is October 14, giving you a growing season of approximately 155 days.

At an elevation of 921 feet, Delta County receives approximately 41.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Haskaps to ensure they mature before fall.

Delta County, MI (Zone 5a) Moderate season
155 days
Last Spring Frost May 12
155 growing days
First Fall Frost October 14

Delta County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Haskaps Planting Timeline — Delta County, MI

Haskaps Planting Calendar

Activity When Date Range
Transplant Outdoors June 2 Jun 2 – Jun 16

· 48" apart · Rows 72" 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

730–1095 days

🧪 Soil pH

Needs 5.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

155 days in Delta County

Growing Tips for Delta County

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 →

Frequently Asked Questions

When should I plant Haskaps in Delta County, MI?

Delta County is in Zone 5a with an average last frost of May 12. Plan your Haskaps planting based on this frost date — see the calendar above for exact timing.

What planting zone is Delta County, MI?

Delta County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 12 and first fall frost is October 14.

When should I plant Haskaps in Delta County, MI?

In Delta County, MI, plant Haskaps after the last frost (around May 12) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Delta County, MI for Haskaps?

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

Can Haskaps grow in Delta County's climate?

Yes — Haskaps grows well in Delta County's temperate climate. Delta County averages a 155-day frost-free season, with last frost around May 12 and first frost around October 14.

🌱

Your Delta County Garden Planner — Free

A 22-page printable planner built for Delta 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 Delta County, MI. Local conditions may vary. Last updated: July 2026.

Sources & credits

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