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Oregon Maple

Acer macrophyllumfam. Sapindaceae
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pressed specimen — oregon maple
Pl. 892C — Acer macrophyllum
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I

Overview

Oregon Maple (Acer macrophyllum), a member of the Sapindaceae family, is a large deciduous tree native to the Pacific Northwest, ranging from Alaska and British Columbia southward through California and into Washington. This tree can grow up to 30 meters in height and thrives in moist conditions with light to partial shade. Known for its edible parts including flowers, inner bark, leaves, sap, seeds, and shoots, Oregon Maple has been utilized by indigenous peoples for both food and medicine. Its distinctive feature is the large, palmate leaves that can span up to 25 centimeters across, making it a notable ornamental tree in gardens and forests alike. This tree is adaptable to a variety of soil types, including light (sandy), medium, and heavy (clay), and prefers a pH between 4.8 and 7.2. It is hardy in zones 5-9 and can grow rapidly, making it a fast-growing addition to any landscape. Oregon Maple can be propagated through seeds or cuttings and is valued for its utility in weaving, as a companion plant, for fiber, fire starting, hair care, preservation, scouring, and lumber. While the tree is edible and has traditional medicinal uses, caution is advised when using any part of the plant for medicinal purposes, as safety claims should be verified by a healthcare professional.

Quick answers

What is Oregon Maple?

Oregon Maple (Acer macrophyllum), a member of the Sapindaceae family, is a large deciduous tree native to the Pacific Northwest, ranging from Alaska and British Columbia southward through California and into Washington.

Compare with:Acer argutum→Acer distylum→Chinese Horse Chestnut→all comparisons →
IV·b

Mixology suggestions

1 draft
Editorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Maple and Marsh
digestion
tincture
Traditional use for digestive support.
Growingconditions · propagation · uses
V

Cultivation

Oregon Maple thrives in full to partial sun and prefers moist, well-draining soil with a pH between 4.8 and 7.2. It is hardy in zones 5-9 and can grow up to 30 meters tall. For propagation, use seeds or cuttings. The plant's edible parts include flowers, inner bark, leaves, sap, shoots, and seeds. Ensure the soil is light (sandy), medium, or heavy (clay) for best growth.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
5-9
Habit
Tree
Mature size
30.0 m tall
Soil pH
4.8–7.2
For first-time growers

How to grow Oregon Maple for the first time

8steps

Start with planting an Oregon Maple sapling for a beginner-friendly approach.

  1. 1

    What you'll need

    A young Oregon Maple sapling, well-draining soil, and a watering can or hose.

  2. 2

    Best time to plant

    Plant in spring after the last frost or fall before the first freeze.

  3. 3

    Soil and container prep

    Ensure your planting site has light, medium, or clay soil with a pH between 4.8–7.2 and good drainage.

  4. 4

    Sowing or transplanting

    Transplant young saplings directly into the ground; avoid sowing seeds as they are difficult to germinate.

  5. 5

    First two weeks

    Water regularly, keeping the soil consistently moist but not waterlogged. Monitor for signs of stress.

  6. 6

    Ongoing care

    Provide partial sun or full sun depending on local conditions. Water deeply once a week during dry spells.

  7. 7

    Harvest or pruning

    Prune in late winter to early spring to maintain shape and remove dead branches; leaves can be collected for compost.

  8. 8

    Common mistakes

    Planting too deep, overwatering, neglecting to prune, planting in full sun where partial shade is preferred, and using the wrong soil type.

VI

Edible & utility

Edible parts:FlowersInner barkLeavesSapSeedShoots
Edible uses: Sweetener
Other uses:Weaving materialCompanionFiberFire starterHairPreservativeScourerLumber
Contextrange · companions · related
VII

Distribution

5 native · 0 introduced
Distribution across1 continent· 5 native
Americas1 region
native (1)United States
Broader regions
native:British Columbia, California, Oregon, Washington
X

See also

8 related
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Explore further

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