treeN. America Native

Red Mulberry

The Story

Plant Bio

Morus rubra, the red mulberry, is a medium-sized deciduous tree native to eastern and central North America, developing a dense, rounded crown and a short trunk with milky sap. In spring, it produces small, greenish, catkin-like flower spikes that give way to edible, dark purple-red fruits highly favored by wildlife.

This species is distinguished from the invasive white mulberry by its rough, sandpapery upper leaf surfaces and softly hairy undersides. The foliage turns a clear yellow in fall, providing seasonal interest before dropping to reveal the tree's spreading silhouette.

Uses & Benefits:

Features a broad, rounded canopy of large, multi-lobed leaves that turn yellow in fall.

Produces sweet, edible fruits suitable for fresh eating, preserves, and baking.

Provides critical high-value summer forage for numerous songbird species and small mammals.

Essentials

At a Glance

Plant Type

Tree

Height

720"

Width

720"

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

High

Lifespan

Moderate

Native To

North America

Toxicity

Unripe fruit and sap are toxic

Bloom period

Spring

In flower about 3 months of the year

Planting

How to Grow

Select a planting site in full sun to partial shade with rich, moist, well-drained loamy soil.
Dig a hole twice as wide as the root ball and of equal depth, ensuring the root flare sits flush with the soil surface.
Backfill with native soil, firm gently, and water thoroughly to settle the roots.
Apply a three-inch layer of organic mulch around the base to retain moisture, keeping it clear of the trunk.
Water regularly during the first growing season to establish a deep, drought-tolerant root system.

Pro Tip

Prune strictly during deep winter dormancy to prevent the branches from bleeding sap excessively, which severely stresses the tree and invites disease.

Keep It Thriving

Care Guide

Do

Prune only in late fall or winter when the tree is fully dormant.
Plant in full sun to maximize fruit production and maintain a dense canopy.
Protect young trees with physical guards to prevent deer and rabbit browsing.

Don't

Do not prune into old, leafless thick wood unless removing dead or diseased branches.
Do not apply routine supplemental fertilizer once the tree is established in rich soil.
Do not plant near sidewalks, driveways, or patios where staining fruit will cause damage.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Mulch
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shade TreeWildlife GardenEdible LandscapeNaturalized Area

Companion Plants

Sassafras albidum Asimina triloba Sambucus canadensis

Multiply

Propagation Methods

Good to Know

Common Questions

Red Mulberry questions

What zones can Red Mulberry grow in?

Red Mulberry is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Red Mulberry deer resistant?

Not reliably. Deer may browse Red Mulberry, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Red Mulberry bloom?

Red Mulberry typically blooms in spring through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Red Mulberry need full sun?

Red Mulberry does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Red Mulberry drought tolerant?

Yes — once established (usually after the first full season), Red Mulberry handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.