Bells of yellow ( Tecoma stans) are an evergreen, fast-growing plant with slim, gray-brown branches , and a plethora of bright yellow trumpet-shaped flowers. Lace-like, green, toothed leaves provide a stunning backdrop for the plant's bright blooms that attract hummingbirds, butterflies and bees.

Sometimes referred to as esperanza and the yellow elder plants create large, green seed pods upon blooming. These seed pods are a diet for animals of small size. Although beautiful and rapidly growing they can also become invading. These  Yellow elder  plants are good grow in your house garden

Yellow elder

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The plants might have an appealing appearance, however, they're not very maintenance-intensive. Actually the yellow bells are resilient to heat, drought and cold. The rapid growth of the plant and small branches can be vulnerable to wind damage, therefore make sure to put them in a location that is protected from strong winds. 

Bells of yellow are rarely plagued by pests or diseases but scale can be a problem for this plant. Small animals love eating the seeds, while larger animals, like deer, are observed to graze on the leaves.

Most likely reason is a lack of adequate lighting, drainage, or space. If you are experiencing these issues there are ways to tackle the issue.

To receive more light, put bells of yellow in an area that receives at least 6 hours of sun each day. Replant the plant or move the pot into a location that is more suitable for it.