Plant guide
Sycamore Maple.
Acer pseudoplatanus
Pronounced AY-ser soo-doh-plah-TAY-nus
Also known as False Planetree, Great Maple
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The sycamore maple is a sturdy, deciduous tree that brings a classic look to large landscapes. It is known for its impressive size and ability to tolerate harsh conditions. You will love how its broad canopy provides excellent shade during the summer.

At a glance
- Care level
- Easy
- Plant type
- Deciduous tree
- Light
- Full sun to partial shade
- Indoor light
- Bright indirect
- Water
- Every 7 to 14 days
- Mature size
- 30 to 35 meters
- Growth rate
- Fast
- Hardiness
- USDA 4 to 7
- Bloom time
- Mid to late spring
Care
Plant this tree in a spot with plenty of room to accommodate its large root system. Keep an eye out for leaf spots or aphids during humid weather. Ensure the soil stays consistently moist but not waterlogged as it settles in.
- Watering
- Water deeply during the first few years until the tree is well established.
- Feeding
- Apply a balanced, slow release fertilizer in early spring.
- Pruning
- Prune during the dormant winter season to remove dead or crossing branches.
- Repotting
- Repotting is only relevant for young container specimens before they are moved to the ground.
- Soil
- Well drained, fertile loam
- Soil pH
- 6.0 to 7.5
- Temperature
- -25 to 35°C
- Humidity
- 40 to 70%
- Drought tolerance
- Moderate
- Lifespan
- Perennial, typically 100 to 400 years
- Deer and rabbits
- Moderate
Signs it needs repotting
- Roots circling the bottom of the pot
- Stunted growth during the active season
Safety
- People
- The plant is not considered toxic to humans, though the sap can be sticky.
- Pets
- This plant is generally considered non toxic to cats and dogs.
- Children
- The winged seeds, or samaras, are a potential choking hazard for small children if ingested.
- Contact allergens
- The sap may cause mild skin irritation in sensitive individuals.
- Airborne allergens
- The windborne pollen can trigger seasonal allergies for some people.
- Edibility
- The seeds are not typically consumed by humans and may cause digestive upset if ingested in quantity.
How to identify it
- Five lobed dark green leaves
- Rough, flaking grey bark
- Distinctive winged samara seeds
- Yellowish green hanging flower clusters
- Height
- 20 to 35m
- Spread
- 15 to 25m
- Leaves
- dark green, deciduous
- Flowers
- yellowish green, 0.5 to 1cm
- Fruit
- brown, Autumn
Problems to watch for
- AphidsCommon
- Tar SpotCommon
- Leaf ScorchUncommon
- Sooty MoldUncommon
- Verticillium WiltUncommon
- CankerRare
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Growing it
- Propagation
- seed
- When to plant
- spring, autumn
- Overwintering
- No special winter care is needed as it is fully hardy. Ensure the soil remains well drained to prevent root issues during wet winters.
- In containers
- It is not suitable for long term container growth due to its massive size.
Seed
- Collect mature winged seeds in autumn.
- Sow seeds in pots of moist soil.
- Place in a cold frame for winter stratification.
- Transplant seedlings in spring.
Plant shade tolerant groundcovers beneath the tree to manage the soil moisture.
Grows well with
- English Ivy · It handles the deep shade beneath the canopy well.
- Common Foxglove · It thrives in the woodland conditions provided by the tree.
Similar species
- Norway Maple · It has a similar growth habit but different leaf shape.
- Sycamore Maple · This is the same species, often confused with other maples.
Science
- Family
- Sapindaceae
- Genus
- Acer
- Order
- Sapindales
- Class
- Magnoliopsida
- Native range
- Central and Southern Europe and Western Asia.
- Conservation
- This species is widely naturalized and not of conservation concern.
It thrives in cool, moist climates and often colonizes disturbed woodland areas.
- Value to wildlife
- nectar source, nesting site
- Pollinators
- bees
- Uses
- shade tree, timber, windbreak
Through the year
Ecological indicators
- Salinity
- 4/9
- Soil reaction
- 6/9
- Light
- 5/9
- Temperature
- 4/9
- Moisture
- 5/9
- Nutrients
- 6/9
Taxonomy resolved against GBIF.
Questions people ask
- Is it a good street tree?
- It is very hardy but can grow quite large, so it needs plenty of space.
- Does it drop a lot of debris?
- Yes, it sheds many winged seeds and leaves in the autumn.
Where the name comes from
The name pseudoplatanus means false plane tree, referring to its resemblance to the true plane tree, Platanus.
Good to know
- It is often called the sycamore in the UK.
- The wood is prized for making musical instruments.
- It can live for over 400 years in ideal conditions.
Keep your sycamore maple growing
This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.
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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.
