Yellow hibiscus shrub with glossy dark green leaves and large single yellow flowers beside a courtyard wall

Yellow Hibiscus

Hibiscus rosa-sinensis
Categories:
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Water
Moderate to high water use in Phoenix; water deeply when the top 1–2 inches of soil dry. Check frequently during extreme heat, especially in containers, and reduce watering in winter. Avoid soggy soil.
Toxicity
Description
A yellow-flowering tropical hibiscus (Hibiscus rosa-sinensis) with large, showy flowers and glossy foliage; best in a sheltered Phoenix location with afternoon shade.
Bloom Time
Deciduous / Evergreen
Growth Rate
Growth Habit
Flower Color
Foliage Color
Non-toxic
Care Instructions

Light: Morning sun with afternoon shade; protect from intense western sun and reflected heat.

Water: Moderate to high water use in Phoenix; water deeply when the top 1–2 inches of soil dry. Check frequently during extreme heat, especially in containers, and reduce watering in winter. Avoid soggy soil.

Soil: Well-drained, organically enriched soil, preferably slightly acidic to neutral. Mulch to conserve moisture, keeping mulch away from the trunk.

Mature size: Typically 4–8 feet tall and 3–6 feet wide in protected Phoenix gardens; size varies by cultivar, pruning, and frost exposure.

Bloom: Repeated blooms from spring through fall; flowering may slow during extreme summer heat and cool winter weather.

Evergreen / deciduous: Evergreen in frost-free conditions; may lose leaves or suffer stem dieback during Phoenix cold snaps.

Growth rate: Moderate to fast with adequate warmth, moisture, and nutrition.