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The Pink trumpet tree grows into a medium size deciduous tree with an open branching habit and rounded canopy shape that grows 30-50 ft. tall, 30-40 ft. wide. Foliage is comprised of dark green palmately divided leaves that have 5 leaflets. Bright pink to magenta tubular flowers with yellow throats develop in large round clusters in late winter to early spring when there are no leaves. Limited numbers of long bean pods develop after the flowering cycle and last into summer.

Pink trumpet tree is native to Central and South America from Mexico to Argentina. In Southern California gardens it has proven to be well adapted inland climate zones with warm exposures, and where winter temperatures do not drop below 20-25°F. It is well suited for planting in courtyards and yard areas where it provides one of the most stunning flowering displays of any urban tree.

Water Needs

Pink trumpet trees that are grown in the Inland Empire can be sustained with normal winter rainfall and regular amounts of summer water. Deep watering is recommended from spring through fall in order to sustain the best flowering performance and help maintain good foliage character. It should be noted there are several winter months marked by an asterisk (*) when rains can provide sufficient moisture and irrigation is not needed. The high and low range of moisture indicates it can grow with varying amounts of water depending upon exposure conditions and size.

Irrigation Schedule and Graph

Moderate Water Use Plants

Irrigation Schedule 4

  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
Runs per Month 0x to 3x 0x to 3x 0x to 3x 2x to 3x 2x to 3x 3x to 4x 3x to 4x 3x to 4x 2x to 3x 2x to 3x 0x to 3x 0x to 3x
Inches per Run 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1"
Inches per Month 0" to 3" 0" to 3" 0" to 3" 2" to 3" 2" to 3" 3" to 4" 3" to 4" 3" to 4" 2" to 3" 2" to 3" 0" to 3" 0" to 3"

Range of supplemental summer water: 17"-24"
Range of supplemental winter water: 0"-15"

  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
For more information on how to use this Irrigation Schedule and Graph, follow this link.

For information how to calculate your irrigation system’s schedule and precipitation rate, please follow this link.

Plant Properties

Plant Type: Tree
Foliage Character: Winter deciduous
Habit: Upright, Open, Low-branching
Growth Rate: Moderate
Height: 30 ft. - 50 ft.
Width: 30 ft. - 40 ft.
Water Needs: Moderate 4
Foliage Color: Dark green
Flower Color: Pink, Magenta
Flower Season: Winter, Spring
Soil Adaptations: Loam, Clay
Exposure Adaptations: Heat, All day sun
Function: Wildlife value, Specimen, Residential spaces, Parks and open space, Hummingbird plant, Flowering accent plant, Commercial spaces, Civic spaces, Background plant


Plan on minor early structural pruning as needed to develop good long term form. Proper staking will be needed when young, but remove stakes as soon as the tree can support itself properly so it will continue to develop its own strength. Minor pruning in late fall to early winter as needed (D).



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