When to Plant Plum Tree in Black River, Michigan (48721)

Location

Black River, Michigan

ZIP Code

48721

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Monday, March 9, 2026

Based on last frost Monday, April 20, 2026 · Zone 6a

Pro tip: Sow Plum Tree directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Prunus domestica

Days to Maturity 1460 days

Mature Height 60-180"

Spread 150"

Type Deciduous Tree

Fruit Size Medium (1-2 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

180" apart

Ready to Plant Plum Tree in Black River?

Get your seeds now so they're ready by Monday, March 9, 2026.

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🤝 Good Companions

ComfreyChiveNasturtium

⚠️ Avoid Planting Near

WalnutFennel

🤝

Full Companion Planting Guide for Plum Tree

See which plants help Plum Tree 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

🪴 Vegetative propagation

Propagate vegetatively, not by seed

Plum seeds do not grow true. Propagate by grafting for reliable fruit quality.

Remove flesh from pit, crack the outer shell, and cold-stratify for 3–4 months to germinate.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Plum Tree in Black River, Michigan? +

In Black River (Zone 6a), direct sow Plum Tree outdoors around Monday, March 9, 2026.

What is the last frost date for Black River, Michigan? +

The average last spring frost date for Black River, Michigan (ZIP 48721) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.

How long does Plum Tree take to grow? +

Plum Tree typically matures in about 1460 days from direct sowing. In Black River, that means you can expect harvest around Monday, March 9, 2026 plus 1460 days.

Should I start Plum Tree indoors or direct sow in Michigan? +

Plum Tree does best when direct sown outdoors. In Black River, sow directly around Monday, March 9, 2026.

📚 More Plum Tree Planting Guides

🗺️

Plum Tree in Michigan

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 6a Plum Tree Guide

All cities in your zone · Avg dates

→

Other Plants for Black River

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 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 Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Plum Tree in Zone 6a

Plum Tree (Prunus domestica) is a popular garden vegetable. In Black River, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Plum Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.