Moderate to high water needs in Phoenix; keep soil evenly moist but not soggy. Water deeply when the upper inch of soil begins to dry, and reduce watering in winter.
Tabernaemontana divaricata ‘Flore Pleno’, commonly called double crape jasmine, is a tropical shrub with glossy leaves and fragrant, double white flowers. In Phoenix, it requires a sheltered, irrigated location and winter frost protection.
Light: Morning sun with afternoon shade or bright filtered light. Protect from intense Phoenix afternoon sun and reflected heat.
Water: Moderate to high water needs in Phoenix; keep soil evenly moist but not soggy. Water deeply when the upper inch of soil begins to dry, and reduce watering in winter.
Soil: Rich, well-drained soil amended with organic matter; slightly acidic soil is preferred. Mulch the root zone while keeping mulch away from the trunk.
Mature size: Typically 6–10 feet tall and 4–8 feet wide in favorable frost-free conditions; often smaller in Phoenix or containers.
Bloom: Repeatedly from late spring through fall in warm conditions; flowering may slow during extreme heat or cool weather.
Evergreen / deciduous: Evergreen in frost-free conditions; cold stress can cause leaf drop and dieback.
Growth rate: Moderate in warm weather with adequate moisture and nutrition; slower under Phoenix heat or cold stress.