When to Plant Serviceberry in Washington, District of Columbia (20522)

Location

Washington, District of Columbia

ZIP Code

20522

USDA Zone

Last Frost

Friday, March 20, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, March 6, 2026

Based on last frost Friday, March 20, 2026 · Zone 8a

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 Washington?

Get your seeds now so they're ready by Friday, March 6, 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 Washington, District of Columbia? +

In Washington (Zone 8a), direct sow Serviceberry outdoors around Friday, March 6, 2026.

What is the last frost date for Washington, District of Columbia? +

The average last spring frost date for Washington, District of Columbia (ZIP 20522) is around Friday, March 20, 2026. This is based on NOAA climate normals for USDA Zone 8a.

How long does Serviceberry take to grow? +

Serviceberry typically matures in about 1095 days from direct sowing. In Washington, that means you can expect harvest around Friday, March 6, 2026 plus 1095 days.

Should I start Serviceberry indoors or direct sow in District of Columbia? +

Serviceberry does best when direct sown outdoors. In Washington, sow directly around Friday, March 6, 2026.

📚 More Serviceberry Planting Guides

🗺️

Serviceberry in District of Columbia

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 8a Serviceberry Guide

All cities in your zone · Avg dates

→

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Growing Serviceberry in Zone 8a

Serviceberry (Amelanchier canadensis) is a popular garden vegetable. In Washington, District of Columbia, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, March 6, 2026.

Your average last frost date is Friday, March 20, 2026. Serviceberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.