Sycamore Maple (Acer pseudoplatanus)
Formerly Acer opizii, Acer worleei, Acer procerum
Give sycamore maple full sun or part shade. Full sun is the preferred condition. It tolerates soil from dry to medium. It is rated for hardiness zones 4a–7b. A mature tree stands 40–60 ft (12.19–18.29 m) tall. Its growth rate is rapid. This page records no toxicity position for cats or dogs.
Photo: Duke of W4, CC BY-SA 4.0 via Wikimedia Commons
Quick facts
| Light: | Full sun and part shade (full sun preferred)12 |
|---|---|
| Water: | Dry to medium21 source |
| Soil: | Well drained, moist and occasionally dry; pH 5–821 source |
| Hardiness: | Zones 4a–7b111 source |
| Size: | 40–60 ft (12.19–18.29 m) × 25–40 ft (7.62–12.19 m)311 source |
| Growth rate: | Rapid11 source |
| Bloom: | Yellow and green11 source |
| Cats: | Not documented by major sources |
| Dogs: | Not documented by major sources |
| Native range: | ALB, AUT, BUL, COR, CZE, FRA, GER, GRC, HUN, ITA, KRY, NCS, POL, POR, ROM, SIC, SPA, SWI, TUE, UKR, YUG4 |
| Family: | Sapindaceae |
How much light does a Sycamore Maple need?
Sycamore maple does best in full sun. Full sun means six or more hours of direct sunlight a day. The tree is also listed for part shade. The records give full sun and part shade as its outdoor light values, with full sun preferred.
How often to water a Sycamore Maple
Sycamore maple tolerates soil moisture that runs from dry to medium. Its soil is described as consistently moist and well drained, with occasional periods of dry soil. Dry to medium is the moisture range recorded for this tree. Look at the soil itself, because the records point to moist, well-drained ground with occasional dry spells.
- Water: Dry to medium2
Best soil for a Sycamore Maple
Sycamore maple grows in soil that is well drained, moist, or occasionally dry. The conditions on record are consistently moist, well-drained soil with occasional periods of dry soil. The tree can tolerate acid to alkaline soil, from pH 5.0 to 8.0. A pH between 5 and 8 falls inside the range listed for it. Its moisture value runs from dry to medium.
Hardiness and temperature
Sycamore maple is rated for USDA Plant Hardiness Zones 4a through 7b. The listed zones are 4a, 4b, 5a, 5b, 6a, 6b, 7a, and 7b. The lowest zone on that list is 4a. The highest zone on that list is 7b. Compare your own zone against that list before you choose a site. No cited source records a minimum temperature for this tree. A zone inside the listed range matches the conditions on record for the tree.
How to plant a Sycamore Maple
Sycamore maple is a tree, and its listed hardiness zones are 4a–7b. Allow room for a mature height of 40–60 ft (12.19–18.29 m). The mature spread is 25–40 ft (7.62–12.19 m). Its growth rate is rapid. The flowers are yellow and green. In the lower 48 US states, its native status is introduced. Its native range is recorded under 21 region codes, including ALB, AUT, FRA, and UKR.
Winter care
Sycamore maple is listed for hardiness zones 4a to 7b. Those zones are the range where the tree is recorded as hardy. The coldest zone on its list is 4a. The warmest zone on its list is 7b. No cited source records a minimum temperature or winter protection steps for this tree. Check that your local zone sits between 4a and 7b. Zones inside that band match the conditions on file for the tree.
How to propagate a Sycamore Maple
The propagation method on record for sycamore maple is seed. The tree produces two-winged samaras that are about 2 in (5 cm) wide. These samaras are produced in fall. Wind disperses them, and they germinate easily. Seed is the only method listed for this tree.
- Propagation: Seed1
Common problems
Two diseases are recorded as common for sycamore maple. One is sooty bark disease. The other is eutypella canker. Canker is described as an issue for this tree.
- Common diseases: sooty bark disease and eutypella canker1
| Problem | Kind |
|---|---|
| Sooty bark disease | Disease |
| Eutypella canker | Disease |
Is Sycamore Maple toxic to cats and dogs?
Recommended supplies
- Soil: a free-draining mix, and a pot with a drainage hole.
Questions and answers
- How much sun does sycamore maple need?
- Sycamore maple prefers full sun, which means six or more hours of direct sunlight a day. It is also listed for part shade. Full sun and part shade are its two recorded outdoor light values.
- What soil does sycamore maple grow in?
- Sycamore maple grows in well-drained, moist soil with occasional periods of dry soil. It can tolerate acid to alkaline soil, from pH 5.0 to 8.0. Its moisture value runs from dry to medium.
- How big does sycamore maple get?
- A mature sycamore maple stands 40–60 ft (12.19–18.29 m) tall. Its spread is 25–40 ft (7.62–12.19 m). The growth rate is rapid, so plan for a large tree.
Sources
- NC State Extension. https://plants.ces.ncsu.edu/plants/acer-pseudoplatanus/. Accessed 15 October 2026.
- Cornell University CALS Woody Plants Database. https://woodyplants.cals.cornell.edu/plant/11. Accessed 15 October 2026.
- University of Missouri Extension. https://extension.missouri.edu/publications/g6810. Accessed 28 October 2026.
- Royal Botanic Gardens, Kew (World Checklist of Vascular Plants). https://sftp.kew.org/pub/data-repositories/WCVP/wcvp.zip. Accessed 4 June 2026.
How this page was made
- Written with AI assistance from the sources listed on this page. AI is never the source of a fact.