
Oleander
Nerium oleander
Tecoma stans
تيكوما صفراء
A fast, drought-tolerant shrub that covers itself in bright yellow trumpet flowers through spring and autumn, and keeps some bloom through summer even as growth slows in the worst heat.
Season
How Yellow Bells behaves through Dubai's seasons, month by month.
Main flowering peaks in spring and autumn
Growth and flowering slow in peak heat
Hard winter prune
Vigorous new growth after winter pruning
Light balanced feed
Watch for aphids on new flower buds
Main flowering peaks in spring and autumn: Mar–May, Oct–Dec
Some bloom continues through other months in a well-watered, sheltered spot.
Growth and flowering slow in peak heat: Jul–Aug
Normal summer semi-dormancy rather than a problem to fix; keep watering consistent through it.
Hard winter prune: Jan–Feb
Controls height and stiffens the plant's upright form ahead of the main spring flush.
Vigorous new growth after winter pruning: Mar–Apr
Light balanced feed: Mar, Sep
Applied at the start of each main growing flush.
Watch for aphids on new flower buds: Apr–May
Yellow bells follows a clear two-peak pattern in Dubai: a strong flush of bright yellow flowers in spring (March to May) after vigorous new growth following the winter prune, and a second flowering peak in autumn (October to December) as temperatures ease. Through July and August growth and flowering both slow noticeably in the summer heat — a normal semi-dormancy rather than a problem, provided watering stays consistent. New growth resumes strongly once the hard winter prune is done in January–February, and aphids are worth watching on the tender new flower buds that follow in April and May.
Meet the plant
Meet yellow bells, the shrub that does bright, uncomplicated yellow better than almost anything else grown in Dubai. Clusters of bell-shaped, trumpet flowers cover the branch tips in flushes through spring and autumn, a warm, saturated colour that reads clearly from a distance and lifts a desert-modern planting out of its usual muted palette.
It grows with real energy — fast enough to fill a hedge or screen line within a season or two, and resilient enough to take a hard annual cut without sulking. That vigour gives it a slightly informal, exuberant character compared with more restrained flowering shrubs; it wants room to flush and rebound rather than being kept in a tight, static shape.
Through the hottest weeks of summer it takes a breather, growth and flowering both easing back, only to pick up again as the heat moderates — a plant with a genuine seasonal rhythm rather than a flat, year-round performance, which gives a garden built around it two real moments of drama each year.
Tecoma stans is native to the Americas, from the southern United States through Mexico and Central America into South America, but it has naturalised into warm-climate gardens worldwide, including widely across the UAE, as one of the more dependable yellow-flowering shrubs available. Its bell-shaped, fragrant flowers appear in clusters at the branch tips, giving the plant its common name and a genuinely showy display against dark green foliage.
In Dubai it behaves close to how it does in its native dry, warm-temperate range: flowering peaks in spring and again in autumn as temperatures moderate, while growth and bloom slow through July and August. That summer slowdown is normal semi-dormancy rather than a sign of trouble, and the plant resumes vigorously once temperatures ease. It takes hard pruning well, bouncing back quickly, which makes it forgiving for a hedge or screen that needs regular size control.
It works well alongside Oleander and Hibiscus for a long, low-water flowering season, and its bright yellow reads strongly against the muted tones of a desert-modern planting or as an informal flowering hedge in a more manicured layout. The clusters of narrow seed pods that follow flowering add a secondary textural interest, though they are modest compared with the flowers themselves.
Its vigour is the main thing to plan around: left unpruned it grows leggy and open, with branches that can split in wind, so the same fast growth that makes it such a quick hedge or screen also means it needs a genuine annual commitment to hard pruning, not occasional tidying, to stay dense and structurally sound.
Design
Give yellow bells full sun for the strongest flowering — it noticeably underperforms in shade. Its fast growth suits a hedge or screen where quick coverage matters, but budget for an annual hard prune to keep it dense rather than leggy and open, since unpruned growth is genuinely more prone to wind damage. It reads best in a desert-modern scheme as a strong colour accent against muted gravel and silver foliage, or as an informal flowering hedge in a more relaxed layout. Keep it back from very exposed, high-wind corners unless it will be pruned regularly, since leggy, unpruned branches are the ones most likely to split.

Oleander
Oleander's tougher drought and salt tolerance complements yellow bells' need for slightly more consistent water, while both flower over a long warm season.

Hibiscus
Hibiscus adds a different flower form and a range of colours alongside yellow bells' clear yellow, extending the overall bloom display.

Texas Sage
Texas sage's silver-grey foliage and occasional purple flush provide a cooling visual contrast next to yellow bells' bright, saturated yellow.
Ixora
Ixora's compact, continuous flowering fills a lower layer beneath yellow bells' taller, more open growth habit.
Care guide
Summer: Occasional deep watering; allow the soil to dry out between waterings once established.
Winter: Minimal supplemental watering is usually needed.
Establishment: Water regularly for the first few months until the root system is established.
Avoid these
Extra notes
Toxicity: Not toxic to the plant's own tissue, but note that honey made from Tecoma stans flowers can be toxic if consumed in quantity — not a concern for ordinary landscape use.
FAQ
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Last reviewed 2026-09-30 by Ghaf Gardens horticulture desk.
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