Side by side

Golden rain tree or false acacia? How to tell them apart

Koelreuteria paniculata · Robinia pseudoacacia

How to tell them apart – golden rain tree: small tree with a pinnate, coarsely toothed leaf, yellow flower panicles in summer and inflated, lantern-like fruits; false acacia: untoothed, oval leaflets, spines at the leaf base and white flower clusters in May.

Golden rain tree (Koelreuteria paniculata)

Photo: Wouter Hagens, Public domain · source

Golden rain tree Koelreuteria paniculata

False acacia (Robinia pseudoacacia)

Photo: Jean-Pol GRANDMONT, CC BY 3.0 · source

False acacia Robinia pseudoacacia

How do you recognise them?

Golden rain tree
Small tree with a pinnate, coarsely toothed leaf, yellow flower panicles in summer and inflated, lantern-like fruits.
False acacia
Pinnate leaf with oval, untoothed leaflets and two spines at the base of each leaf; hanging clusters of white flowers.
Compared with golden rain tree: untoothed, oval leaflets, spines at the leaf base and white flower clusters in May.
Golden rain tree and false acacia side by side
Golden rain treeFalse acacia
LeavesAlternate, pinnate to partly bipinnate, 15–35 cm, with 7–15 coarsely and irregularly toothed to deeply cut leaflets; reddish when young, yellow to orange in autumn.Alternate, pinnate with 9–19 oval, smooth-edged leaflets and a terminal leaflet. Two sharp spines at the leaf base.
FloweringLarge, upright panicles of small golden-yellow flowers with a red centre, in July–August (July–August).Hanging clusters of white, highly fragrant pea flowers in May–June; loved by bees (June).
FruitInflated, three-sided pods 4–5 cm long, green to pinkish red at first, later papery brown, with black seeds.Flat brown pods 5–10 cm that stay on the tree for a long time.
BarkLight brown to grey-brown, shallowly furrowed.Grey-brown and deeply furrowed in a network pattern, often twisted.
Shape and heightBroadleaf tree, 8–12 mBroadleaf tree, 15–25 m
SiteFull sun, any garden soil, dryFull sun, any garden soil, dry
Native to BelgiumNo, plantedNo, an invasive alien species
Good for bees, butterflies and birds–Yes, for bees
Poisonous to people and petsNot known to be poisonousYes, take care with children and pets
Pruning monthsNovember–MarchJune–August

What does it mean for your garden?

  • False acacia is an invasive non-native species: do not plant it. Pull up seedlings and choose a native species instead.
  • False acacia is poisonous to people and pets: take care with children and animals.
  • False acacia grows 15–25 m tall: too big for an ordinary garden, but fine in a large garden, a park or a meadow.

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Identify by feature

All species that look alike

This comparison is compiled from the Bladwijzer species pages.

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