Heirloom

Sugar Maple

Acer saccharum

Green maple leaves on a branch against a blurred background

The iconic maple tree that defines autumn in North America with its spectacular yellow, orange, and red fall display. Known for producing the finest maple syrup, sugar maples are slow-growing but long-lived trees that create dense, cooling shade. Their symmetrical oval shape and reliable fall color make them one of the most sought-after landscape trees.

Sun

Full sun to partial shade

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Zones

3–8

USDA hardiness

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Height

40-120 feet

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Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Transplant

Showing dates for Sugar Maple in USDA Zone 7

All Zone 7 shade-tree →

Zone Map

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Sugar Maple · Zones 3–8

What grows well in Zone 7? →

Growing Details

Difficulty

Moderate

Spacing35-50 feet

SoilRich, well-drained, slightly acidic soil with good organic content

pH6.0-7.3

WaterModerate — regular watering

SeasonSpring and Summer

FlavorN/A

ColorMedium green summer foliage turning brilliant yellow, orange, and red in fall

SizeLarge oval canopy 40-50 feet wide

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	—	June – August	—	—
Zone 4	—	June – July	—	—
Zone 5	—	May – July	—	—
Zone 6	—	May – July	—	—
Zone 7	—	May – June	—	—
Zone 8	—	April – June	—	—

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 40 ft. 0 in. - 120 ft. 0 in.. Spread: 30 ft. 0 in. - 60 ft. 0 in.. Spacing: 24-60 feet, more than 60 feet. Growth rate: Slow. Maintenance: Medium. Propagation: Layering, Seed, Stem Cutting. Regions: Coastal, Mountains, Piedmont.

Harvesting

The fruit is U-shaped, paired, papery-winged samara that averages 1 inch in length. Color is green maturing to brown. Available from June to September in North Carolina.

Color: Brown/Copper, Green. Type: Samara. Length: < 1 inch.

Garden value: Edible

Harvest time: Fall, Summer

Edibility: Sap used for maple syrup

Storage & Preservation

Sugar maple wood should be stored in a cool, dry location with good air circulation. For fresh maple syrup, store in airtight containers in a cool pantry or refrigerator at 40°F; unopened syrup lasts indefinitely, while opened containers last 1-2 years when refrigerated. For preservation: (1) Grade and crystallize syrup for long-term shelf stability—crystallized maple sugar keeps for years in airtight containers; (2) freeze pure syrup in portions for extended storage; (3) can maple syrup following USDA canning guidelines for shelf-stable preservation in sealed jars.

History & Origin

Origin: Eastern and central North America

Advantages

+Attracts: Butterflies, Moths, Pollinators, Small Mammals, Songbirds
+Edible: Sap used for maple syrup

Companion Plants

The shade-tolerant perennials in our database pair well with Sugar Maple for straightforward reasons: they've adapted to grow under a canopy. Wild Ginger, Trillium, Mayapple, and Hostas all thrive in the dappled light and organic-rich, slightly acidic soil a mature maple produces — soil pH in the 6.0–6.5 range suits both the tree and most of these understory plants. Ferns and Astilbe appreciate the same moderate moisture. They also stay low enough — most top out well under 2 feet — that their fibrous roots occupy the top few inches of soil rather than competing with the maple's wider lateral system. Around here in the Georgia piedmont, Coral Bells and Wild Columbine are especially practical choices because they handle 90°F summers better than some of the northern woodland species in this list.

Keep Black Walnut a minimum of 50–80 feet away. Walnut produces juglone (5-hydroxy-1,4-naphthoquinone) through its roots and decomposing hulls, and Sugar Maple is among the documented sensitive species — you'll see leaf scorch and dieback that looks like drought stress but won't respond to watering. Norway Maple is a different kind of problem: it's a prolific seeder that naturalizes aggressively across the eastern U.S., outcompetes native understory plants, and if it gets established near your Sugar Maple it'll be a removal project, not a companion.

Plant Together

Wild Ginger

Thrives in maple's shade and helps suppress weeds while providing ground cover

Trillium

Natural woodland companion that flourishes under maple canopy and attracts beneficial pollinators

Hostas

Shade-loving perennials that complement maple's understory and help retain soil moisture

Ferns

Create natural forest floor ecosystem and thrive in the filtered light and acidic soil conditions

Astilbe

Tolerates shade well and adds colorful blooms while benefiting from maple's leaf litter

Coral Bells

Shade-tolerant perennial that adds foliage color and texture beneath maple canopy

Wild Columbine

Native woodland flower that attracts hummingbirds and thrives in partial shade

Mayapple

Woodland native that forms colonies under maples and helps create natural forest understory

Keep Apart

Black Walnut

Releases juglone which is toxic to maples and can cause stunted growth or death

Kentucky Coffee Tree

Competes aggressively for nutrients and water, and its large size can overwhelm young maples

Norway Maple

Creates dense shade that suppresses sugar maple seedlings and outcompetes for resources

Pests & Disease Resistance

Resistance

Moderate resistance, sensitive to salt and pollution

Common Pests

Asian longhorned beetle, maple borers, aphids

Diseases

Verticillium wilt, tar spot, leaf scorch

Troubleshooting Sugar Maple

What you'll see, why it happens, and what to do about it.

Scattered black or dark olive blotches on leaves by midsummer, leaves drop early but tree otherwise looks fine

Likely Causes

Tar spot (Rhytisma acerinum) — a fungal disease that overwinters in fallen leaf litter and releases spores in spring

What to Do

1.Rake up and bag all fallen leaves in autumn — don't compost them, the fungus survives
2.Tar spot is cosmetic and won't kill the tree; no fungicide is needed for an established specimen
3.If it's a young tree under 10 feet and defoliation is heavy two years running, a preventive copper fungicide at bud break can reduce infection

Wilting or dying branches on one side of the canopy, with brown or olive streaking visible in the sapwood when you cut into an affected branch

Likely Causes

Verticillium wilt (Verticillium dahliae or V. albo-atrum) — soil-borne fungus that colonizes the vascular system and blocks water movement
Tree planted in a site that previously grew tomatoes, potatoes, strawberries, or other susceptible crops

What to Do

1.Prune out affected branches at least 6 inches below any visible streaking and sterilize the saw between cuts with 70% isopropyl alcohol
2.Keep the tree vigorous with consistent watering and a side-dressing of balanced 10-10-10 fertilizer in early spring — a stressed tree declines faster
3.There's no cure, but healthy trees can wall off infection and survive for decades; only remove the tree if more than half the canopy is affected

Sawdust-like frass at the base of the trunk or on major limbs, with round or oval exit holes roughly 3/8 to 1/2 inch in diameter

Likely Causes

Asian longhorned beetle (Anoplophora glabripennis) — a federally regulated invasive pest; sightings must be reported
Maple borer (Glycobius speciosus) — native clearwing moth whose larvae tunnel under the bark of young maples

What to Do

1.If you see a shiny black beetle with white spots and long banded antennae, report it immediately to USDA APHIS at 1-866-702-9938; Asian longhorned beetle is a quarantine pest and the response window matters
2.For maple borer on trees under 6 inches diameter, a soil drench with imidacloprid in early spring can protect new wood; follow label rates carefully
3.Keep the root zone mulched 3-4 inches deep with wood chips (kept away from the trunk) and avoid nicks from mowers and string trimmers — wounded bark is the primary entry point for both species

Frequently Asked Questions

How long does it take a sugar maple to produce syrup?▼

Sugar maples typically begin producing harvestable sap at 30-40 years old, though they can live 200+ years. Once mature, they produce sap during spring thaw cycles (February-April in northern climates). A mature tree yields 5-10 gallons of sap per season, which boils down to approximately ½ to 1 gallon of syrup. Patience is essential—the slow growth and long wait make sugar maples a generational investment.

Can you grow a sugar maple in a container?▼

Sugar maples are not ideal for container growing due to their large size at maturity (60-75 feet tall and wide). They develop deep root systems requiring substantial soil volume and space. Young saplings can be temporarily container-grown for 1-2 years before transplanting, but permanent container cultivation is impractical. They're best suited for in-ground planting in landscapes with adequate room for full development.

When is the best time to plant a sugar maple?▼

Plant sugar maples in early spring (March-April) when soil is workable, or fall (September-October) for root establishment before winter. Spring planting gives trees a full growing season to acclimate. Avoid planting in summer heat or late fall. Water deeply after planting and maintain consistent moisture for the first 2-3 years while roots establish. Proper timing ensures successful long-term establishment.

Is a sugar maple good for beginners?▼

Sugar maples require moderate experience to grow successfully. They demand well-drained, slightly acidic soil and prefer consistent moisture without waterlogging. They're susceptible to pests like Asian longhorned beetles and maple borers, requiring monitoring. While not exceptionally difficult, they're slower-growing than some shade trees and need proper site selection. Beginners can succeed with good preparation, but experienced gardeners manage them more effectively.

What pests should I watch for on sugar maples?▼

Key pests include Asian longhorned beetles (bore holes, girdling branches), maple borers (tunnel in wood, weaken structure), and aphids (produce sticky honeydew, cause discoloration). Regular inspection for holes, sawdust, or branch damage is essential. Remove dead branches promptly and avoid wounding the tree. If Asian longhorned beetles are suspected, contact local forestry—this is a regulated invasive species requiring professional intervention in many areas.

How do I know when maple sap is ready to harvest?▼

Maple sap runs during spring thaw when nighttime temperatures drop below freezing and daytime temperatures rise above 40°F. Clear, colorless sap flows best on sunny days following cold nights. Tap trees when daytime highs consistently reach 40°F+ for several days. Use a spout and collection system; sap flows for 4-6 weeks typically. Collect and process sap promptly—it ferments quickly in warm weather.