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Rock Maple

Acer glabrumfam. Sapindaceae
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pressed specimen — rock maple
Pl. 69BF — Acer glabrum
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I

Overview

Rock Maple (Acer glabrum) is a deciduous tree or shrub that belongs to the Sapindaceae family. Native to regions including Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, Mexico Northeast, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming, and Yukon, this plant is well-adapted to a variety of climates. Rock Maple thrives in light to partial sun and prefers moist, well-drained soils that are light (sandy), medium, or heavy (clay). Its hardiness ranges from zones 3-8, making it a versatile choice for gardeners in these regions. Rock Maple is known for its edible inner bark, leaves, seeds, and shoots, which can be used as a condiment. The plant can grow up to 9 meters tall and is often found in shrub or tree form. Its distinctive features include its ability to grow in a range of soil types and its adaptability to various light conditions. Rock Maple is also noted for its medicinal use, though caution should be exercised when considering its use in any treatment context. For cultivation, Rock Maple thrives in full to partial sun and prefers moist, well-drained soils with a pH range of 5.8 to 7.5. It can be propagated through seed or inner bark. Its rapid growth rate and adaptability make it a valuable addition to gardens and landscapes in its native regions.

Quick answers

What is Rock Maple?

Rock Maple (Acer glabrum) is a deciduous tree or shrub that belongs to the Sapindaceae family.

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 Willow
immune
tincture
Traditional use for immune support.
Growingconditions · propagation · uses
V

Cultivation

Rock Maple (Acer glabrum) thrives in full to partial sun and prefers moist, well-draining soil with a pH between 5.8 and 7.5. It can grow as a shrub or small tree, reaching heights of 9 meters. Hardy in zones 3-8, it is native to a wide range of western North American regions. For cultivation, ensure the soil is light, medium, or heavy, and keep the plant moist. Propagation can be done through seeds or cuttings. Edible parts include the inner bark, leaves, seeds, and shoots.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
3-8
Habit
Shrub, Tree
Mature size
9.0 m tall
Soil pH
5.8–7.5
For first-time growers

How to grow Rock Maple for the first time

8steps

Start with planting Rock Maple in a sunny spot and follow these simple steps for success.

  1. 1

    What you'll need

    Rock Maple saplings, garden gloves, spade or trowel.

  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 soil is well-draining with a pH between 5.8–7.5; loosen the topsoil if planting in containers.

  4. 4

    Sowing or transplanting

    Transplant saplings into prepared ground, ensuring roots are spread out and cover with soil.

  5. 5

    First two weeks

    Water regularly to keep soil moist but not waterlogged; mulch around the base for moisture retention.

  6. 6

    Ongoing care

    Water deeply once a week during dry spells, prune any dead or damaged branches as needed.

  7. 7

    Harvest or pruning

    Prune in late winter to maintain shape and remove any weak or diseased branches.

  8. 8

    Common mistakes

    Overwatering, planting too deep, neglecting regular pruning.

VI

Edible & utility

Edible parts:Inner barkLeavesSeedShoots
Edible uses: Condiment
Other uses:ContainersFiberFire starterPreservativeLumber
Contextrange · companions · related
VII

Distribution

18 native · 0 introduced
Distribution across1 continent· 18 native
Americas1 region
native (1)United States
Broader regions
native:Alberta, Arizona, British Columbia, California, Colorado, Idaho, Mexico Northeast, Montana, Nebraska, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming, Yukon
X

See also

8 related
XI

Explore further

XII

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