treeN. America Native

Marmo Maple

Acer freemanii 'Marmo'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Tree

Height

600 inches

Width

456 inches

Light

Full Sun

Zones

4, 5, 6, 7

Water

Moderate to high

Humidity

Moderate

Lifespan

Long-lived deciduous tree

Native To

North America (Hybrid)

Toxicity

Leaves toxic to horses

The Story

Plant Bio

Acer x freemanii, or Freeman Maple, is a naturally occurring hybrid of the Red Maple (Acer rubrum) and Silver Maple (Acer saccharinum). It combines the fast growth and adaptability of the Silver Maple with the stronger wood and superior fall color of the Red Maple. 'Marmo' is a unique cultivar distinguished by its unusual and inconsistent fall color, which is a mottled blend of green, yellow, and red, often appearing on the same leaf. This creates a distinctive, multi-hued effect unlike the uniform color of other varieties.

Bloom Period:

EarlyLate

Uses & Benefits:

'Marmo' offers the classic, stately form of a large maple tree, providing dense shade in summer. Its main ornamental feature is its unique, variegated fall foliage, which presents a tapestry of colors rather than a single, uniform hue, making it a conversation piece.

As a fast-growing tree, it provides quick shade and a sense of establishment in new landscapes. Its tolerance of moist soils and clay makes it a practical choice for many suburban and park settings where other trees might struggle.

Like other maples, it provides nesting sites for birds and its flowers are an early spring pollen source for bees. The seeds (samaras) are eaten by various birds and small mammals. It is a host plant for the Imperial Moth and Rosy Maple Moth.

Marketplace

Where to Buy

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Planting

How to Grow

Choose a spacious location in full sun with moist, well-drained soil.
Dig a hole two to three times wider than the root ball, but no deeper.
Gently place the tree in the hole, ensuring the root flare is at or above ground level.
Backfill with the original soil, breaking up any large clumps.
Water deeply to settle the soil and eliminate air pockets.
Apply a 3-inch layer of mulch over the root zone, avoiding the trunk.

Pro Tip

Water consistently during the first few years after planting to establish a deep, extensive root system and fuel its fast growth.

Keep It Thriving

Care Guide

Do

Provide ample space for its large mature size.
Water deeply and regularly for the first 2-3 years.
Mulch to conserve moisture and regulate soil temperature.
Prune to develop a strong structure when the tree is young.

Don't

Do not plant in dry, compacted, or high pH soils.
Avoid planting too deep; keep the root flare visible.
Don't prune in spring when maples 'bleed' sap heavily.
Avoid creating narrow, V-shaped branch crotches which are weak.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Fast-growing shade tree for large lawnsDurable street or park treeUnique specimen for fall color interest

Companion Plants

Quercus rubra (Red Oak) Tilia americana (American Linden) Amelanchier canadensis (Serviceberry) Viburnum dentatum Carex pensylvanica (as groundcover)

Multiply

Propagation Methods

Good to Know

Common Questions

Marmo Maple questions

What zones can Marmo Maple grow in?

Marmo Maple is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Marmo Maple deer resistant?

Yes — Marmo Maple is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Marmo Maple bloom?

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

Does Marmo Maple need full sun?

Marmo Maple does best in full sun (6+ hours).