Woody > Laburnum > Laburnum x watereri > Laburnum x watereri
Laburnum x watereri
Goldenchain Tree
Mike's
Opinion
"
A very attractive tree when in flower. Fruit pods are poisonous and could be injurious to children and animals. Starts to suffer in temperatures exceeding 30°C and has marginal hardiness Southern Ontario, however, it is worth the effort.
Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)
"
| Family |
| Fabaceae |
| Genus |
| Laburnum |
| Species |
| x watereri |
| Category |
| Woody |
| Type |
| Shrub (deciduous) |
| Pronunciation |
| USDA Hardiness Zone |
| 5–7 |
| Canadian Hardiness Zone |
| 6 |
| Temperature (°C) |
| -29 |
| Temperature (°F) |
| -20 |
| Height |
| 4.5–7.5 m |
| Spread |
| 3 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| A spectacular shrub when in flower but when out of flower not very redeeming. Olive coloured bark adds some interest to the winter garden. |
| Cultivation |
| Grows well in moist well drained soils and prefers afternoon shade. |
| Shape |
| Small oval shaped tree or shrub. |
| Growth |
| Medium |
| ID Characteristic |
| Bright yellow loosely hanging pendulous racemes to 60 cm in length in late spring. Olive green and pronounced wringed tomentose terminal buds. |
| Pests |
| Leaf spot, twig blight, aphids, and grape mealy-bug. |
| Habitat |
| A hybrid between L. alpinum and L. anagyroides. |
| Bark/Stem Description |
| Shiny olive green in colour, eventually - as the plant ages - the trunk will get a rough texture to it. |
| Flower/Leaf Bud Description |
| Small in size, ovoid with 2–4 exposed silvery haired scales, Buds are 2–4 mm long. |
| Leaf Description |
| Bright green in summer turns slightly blue in the autumn. Alternate arrangement, elliptic - oblong, 3.5- 7.5 cm long. |
| Flower Description |
| Yellow flower racemes up to 60 cm in length. Individual florets are pea–like and bloom in late May to June. |
| Fruit Description |
| Small flattened pod changing from green to brown in October. Not very attractive; pod slightly pubescent. |
| Colour Description |
| Bright green leaves with bright yellow flower racemes in late spring. Olive green bark. |
| Texture Description |
| Medium-fine in leaf, somewhat coarse in winter. |
| Notable Specimens |
| Brescia College, University of Western Ontario, London, Ontario. |
| Propagation |
| Seed should be scarified in acid for 15- 30 minutes and then sown. |
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