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Golden
Chaintree
(Laburnum x wateri)
Waterer Laburnum
Hybrid between Scotch Laburnum (L. alpinum) and Common Laburnum (L. anagyroides)
Family: Fabaceae (Pea)
Native: Alps, Italy, Czechoslovakia, Yugoslavia (L. alpinum) and Central and Southern Europe (L. anagyroides)
Hardiness: Zones 5-7
Growth Rate: Medium, 12-18" per year
Uses: Specimen, rocky slopes, espalier, container
Photo: Golden chaintree in bloom, http://gcconline.georgian.edu/taxonomy/images/chain100.gif photo at The S. Mary Grace Burns Arboretum of Georgian Court College, located in the New Jersey Pine Barrens in Lakewood, Ocean County, New Jersey. Use your browser's BACK button to return to this page.
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Description: |
Habit: |
Upright spreading to round-headed. Some forms weeping. |
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Size: |
15 – 20" tall, 10 – 15" spread |
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Flower: |
In May and June, yellow, fragrant, pea-like 3/4" long on pendulous clusters to 12" long. |
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Fruit: |
Elongated 12" pod, green turning to black. |
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Leaves: |
Bright green in summer, to 2 1/2" long, in groups of three, clover-like. |
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Trunk and Stems: |
Olive green eventually developing brown cracked areas. |
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Planting & Maintenance: |
Propagation: |
Cuttings: Leaf bud, root sprouts Seed: Scarify |
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Site: |
Full sun or light shade in the hottest part of the day, moist well-drained soil. |
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Water: |
Medium. |
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Fertilization: |
Medium. |
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Temperature: |
Prefers cooler summers. |
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Pruning: |
Late summer to early winter. To shape. To espalier. To form arch. To eliminate included bark. |
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Cultivars: |
Pendulum |
Graceful, weeping form |
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Vossii |
Dense form with racemes up to 2’ long. |
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Problems: |
Diseases: |
Leaf spot, twig blight, laburnum vein mosaic |
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Insects: |
Aphids, mealybugs. |
Article written by Rachel Swinford
References:
Manual of Woody Landscape Plants, Michael A. Dirr, Department of Horticulture, University of Georgia, Revised 1998.
Landscape Plants of the Southeast, R. Gordon Halfacre and Anne R. Shawcroft, Fifth Edition, 1989
Pruning & Training, Christopher Brickell and David Joyce, The American Horticultural Society, 1996
The University of Georgia and Ft. Valley State University, the U.S. Department of Agriculture and counties of the state cooperating. The Cooperative Extension Service offers educational programs, assistance and materials to all people without regard to race, color, national origin, age, sex or disability.