Illustration
Autumn Moon Japanese Maple
Acer shirasawanum 'Autumn Moon'
Also called autumn moon, autumn moon maple and autumn moon fullmoon maple
Autumn Moon Japanese Maple blooms from April through April.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Autumn Moon Japanese Maple
Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 5–8. Expect it to reach about 9 ft tall and 4.5 ft wide at maturity, in roughly 10 years (checked).
Pets
- Not yet checked for pets.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
No toxicity note is on file for Autumn Moon Japanese Maple. That is not a clearance: check its safety for people and pets before planting.
What was checked
Mature height and spread, hardiness zones, sun, water, bloom months and color and the trait tags were checked against named botanical sources for this plant, with what the sources could not settle written down; years to mature size rests on a recorded house rule where no publisher states one, and is marked so; its common name and alternate names have not been checked yet. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Autumn Moon Japanese Maple
Plant Autumn Moon Japanese Maple in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 5 to 8, spring means March to May and fall means August or September. Once settled, it blooms in April.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Autumn Moon Japanese Maple get?
9 fttall5 ft 7 inan adult4.5 ftwideSee Autumn Moon Japanese Maple in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Autumn Moon Japanese Maple
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Autumn Moon Japanese Maple about 4.5 ft apart, center to center, so each plant has room to reach its full width.
Add Autumn Moon Japanese Maple to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Autumn Moon Japanese Maple's height, spread, hardiness zones, sun, water, bloom months and color, years to mature size, trait tags, soil, diseases, pests and toxicity were checked against 20 published sources on October 5, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- NC State ExtensionAcer shirasawanum, the species pageheight, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Plant Addictsthe queue's storeheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and pests
- coniferkingdom.comConifer Kingdom, Silverton, Oregon (specialist nursery)height, spread, hardiness zones, sun, water, bloom months and color, years to mature size and soil
- RHSRoyal Horticultural Society Plants databaseheight, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Chicago Botanic GardenPlant Finderheight, spread, hardiness zones, sun, water, bloom months and color and trait tags
- kiefernursery.comKiefer Landscaping & Nursery, Durham, North Carolinaheight, spread, hardiness zones, sun, water, trait tags and pests
- Missouri Botanical GardenAcer shirasawanum 'Aureum', a sibling cultivar of the species; Missour...sun, water, bloom months and color, soil, diseases and pests
- plants.minorsgardencenter.comNetPS Plant Finder record served at Minor's Garden Center (a syndicate...height, spread, hardiness zones, sun, water, soil and diseases
- pridescorner.comPrides Corner Farms, Lebanon, Connecticut (wholesale grower)height, spread, hardiness zones, sun, water, trait tags and soil
- The Tree Centeronline nurseryheight, spread, hardiness zones, sun, water, trait tags and diseases
- iselinursery.comIseli Nursery, Boring, Oregon (wholesale grower)height, spread, hardiness zones, sun, trait tags and diseases
- kiginursery.comKigi Nursery, Toutle, Washington (specialist nursery)height, spread, hardiness zones, sun, years to mature size and trait tags
- mrmaple.comMr Maple (Japanese maple specialist nursery)height, spread, hardiness zones, sun, years to mature size and trait tags
- singtree.comSinging Tree Gardens Nursery, McKinleyville, Californiaheight, spread, hardiness zones, sun, water and trait tags
- vinlandvalleynursery.comVinland Valley Nursery, Baldwin City, Kansasheight, spread, hardiness zones, sun, water and years to mature size
- japanesemaplesandconifers.comMaple Ridge Nursery, Gay, Georgia (Japanese maple and conifer speciali...height, spread, sun, years to mature size and soil
- mendocinomaples.comMendocino Maples Nursery (maple specialist nursery)height, hardiness zones, sun and years to mature size
- iselinursery.comIseli Nursery, Boring, Oregon (its page defining Garden Size)height
- Plant Addictsthe store's care article for its Japanese Maples shelftoxicity
- University of Minnesota Extensiontoxicity
How the checking works, and what each standard covers, is on the verified plants page.
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.