Side by side

Red maple or silver maple? How to tell them apart

Acer rubrum · Acer saccharinum

How to tell them apart – red maple: maple with a three- to five-lobed leaf with a blue-white underside, small red flowers in March and fiery red autumn colour; silver maple: much more deeply cut leaf with a silvery-white underside, turns yellow in autumn.

Red maple (Acer rubrum)

Photo: bobistraveling, CC BY 2.0 · source

Red maple Acer rubrum

Silver maple (Acer saccharinum)

Photo: Darkone (talk · contribs), CC BY-SA 2.5 · source

Silver maple Acer saccharinum

How do you recognise them?

Red maple
Maple with a three- to five-lobed leaf with a blue-white underside, small red flowers in March and fiery red autumn colour.
Silver maple
Deeply cut maple leaf with a silvery-white underside.
Compared with red maple: much more deeply cut leaf with a silvery-white underside; turns yellow in autumn.
Red maple and silver maple side by side
Red mapleSilver maple
LeavesOpposite, 6–10 cm, with 3 (sometimes 5) shallow, irregularly toothed lobes; green above, blue-white below. Leaf stalk often red, without milky sap.Opposite, 10–15 cm, with 5 very deeply cut, finely toothed lobes; underside silvery white. No milky sap.
FloweringClusters of small red flowers on the bare branches, as early as March (March).Small red flowers, as early as February–March (February–March).
FruitSmall, red winged seeds at a sharp angle, ripe as early as May–June.Large winged fruits that ripen as early as late spring.
BarkSmooth and silver-grey for a long time, later darker and split into long plates; twigs and buds red.Silver-grey, later in long, loose flakes.
Shape and heightBroadleaf tree, 15–25 m (in gardens usually 10–15 m)Broadleaf tree, 20–30 m
SiteSun or partial shade, acid soil, dry to wetFull sun, any garden soil, moist to wet
Native to BelgiumNo, plantedNo, planted
Good for bees, butterflies and birds–Yes, for bees
Poisonous to people and petsNot known to be poisonousNot known to be poisonous
Pruning monthsJuly–OctoberJuly–October

What does it mean for your garden?

  • Red maple (15–25 m (in gardens usually 10–15 m)) and silver maple (20–30 m) both grow into large trees: too big for an ordinary garden, but fine in a large garden, a park or a meadow.

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All species that look alike

This comparison is compiled from the Bladwijzer species pages.

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