When to Plant Serviceberry in Cable, Wisconsin (54821)

Location

Cable, Wisconsin

ZIP Code

54821

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, May 1, 2026

Based on last frost Friday, May 15, 2026 · Zone 4a

Pro tip: Sow Serviceberry directly outdoors 2 weeks before your last frost date.

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🌿 Plant Details

Scientific Name Amelanchier canadensis

Days to Maturity 1095 days

Mature Height 60-240"

Spread 120"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

120" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 60-120 days

Ready to Plant Serviceberry in Cable?

Get your seeds now so they're ready by Friday, May 1, 2026.

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🤝 Good Companions

Native PlantsSpring Bulbs

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Full Companion Planting Guide for Serviceberry

See which plants help Serviceberry thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌿 Fruit Tree Fertilizer 🕸️ Garden Netting 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest ripe berries in early summer when deep blue-purple.

Processing

Mash berries, separate seeds from pulp, cold-stratify in damp paper towel for 3–4 months.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Cold stratification is essential — skip it and germination rates will be very poor.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 0 plants of Serviceberry. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Serviceberry in Cable, Wisconsin? +

In Cable (Zone 4a), direct sow Serviceberry outdoors around Friday, May 1, 2026.

What is the last frost date for Cable, Wisconsin? +

The average last spring frost date for Cable, Wisconsin (ZIP 54821) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.

How long does Serviceberry take to grow? +

Serviceberry typically matures in about 1095 days from direct sowing. In Cable, that means you can expect harvest around Friday, May 1, 2026 plus 1095 days.

Should I start Serviceberry indoors or direct sow in Wisconsin? +

Serviceberry does best when direct sown outdoors. In Cable, sow directly around Friday, May 1, 2026.

📚 More Serviceberry Planting Guides

🗺️

Serviceberry in Wisconsin

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4a Serviceberry Guide

All cities in your zone · Avg dates

→

Other Plants for Cable

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Serviceberry in Zone 4a

Serviceberry (Amelanchier canadensis) is a popular garden vegetable. In Cable, Wisconsin, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, May 1, 2026.

Your average last frost date is Friday, May 15, 2026. Serviceberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.