All parts of the tree contain cytisine, a toxic substance to humans and pets.
Choose a site with partial shade in warmer temperatures since your tree will get too hot in full sun.
Soil
Golden chain tree grows well in most soil types.
The Spruce / Evgeniya Vlasova
Ideally, the soil should have a high content of organic matter.
Water
The tree has medium moisture requirements, and it is relatively drought-tolerant.
For the amount to use, follow the product label instructions.
The Spruce / Evgeniya Vlasova
Temperature and Humidity
Golden chain trees prefer moderate climates, not too hot or too cold.
Even though they can grow in hardiness zone 7, young trees may not survive the climate’s heat.
It should be pruned to grow with a single leader.
The Spruce / Evgeniya Vlasova
It’s normal for the bark of older trees to turn dark and fissured.
you’re able to also prune the lower branches since they droop and get in the way.
Propagating Golden Chain Tree
All the commonly grown golden chain trees are cultivars or cross-bred.
The Spruce / Evgeniya Vlasova
Starting them from seed won’t produce a tree true to the parent and is therefore not recommended.
Propagation from hardwood cuttings is the easiest for home gardeners and should always be done while wearing protective gloves.
The container needs to be heavy enough so it does not topple over.
The Spruce / Evgeniya Vlasova
For adequate drainage, it should have large drain holes.
Overwintering
Laburnums are susceptible to sunscald, which happens when nighttime temperatures drop after warm days.
The cold damages trees with thin bark.
To protect it, wrap the trunk with tree wrap before the onset of winter.
Blight, canker, andleaf spotare potential diseases to keep an eye out for.
Bloom Months
Golden chain tree blooms at the end of spring from mid-May to June.
The tree blooms for two to three weeks, usually longer if the temperatures are more moderate.
This tree does not like heat.
What Do Golden Chain Trees Flowers Look and Smell Like?
Golden chain tree racemes look and smell a lot like sweet-smellingwisteria.
The floral sprigs of pea-likeyellow blossomsfall in a weeping, pendulous way.
How to Encourage More Blooms
Remove the seed pods in winter to promote flowers in the spring.
Fertilize the tree once in the spring with balanced, granular 10-10-10 fertilizer.
Never prune more than a third of a tree’s size in one season.
If your tree is showing these signs, check the roots immediately.
Healthy roots will be firm and rotting roots will be black and mushy.
Avoid overwatering as trees in standing water can quickly develop root rot.
Failure to Bloom
If your tree fails to bloom, it may need more light.
see to it the tree is where it can receive six to eight hours of sun each day.
Low temperatures could also result in few or no blooms.
These trees do best in climates where both summers and winters are moderate.
The golden chain tree is toxic to humans and animals, including dogs.
All parts of the tree are toxic to touch.
Always wear protective gloves and clothing when working with golden chain trees.
Golden chain tree flowers have long racemes that look almost like wisteria.
Golden rain trees have flowers that grow in large, looser clusters.
North Carolina State University Extension Service.
United States Forest Service.
Laburnum watereri ‘Vossii’.Missouri Botanical Garden.