Chitalpa
Chitalpa x tashkentensis
Bignoniaceae - Catalpa

Description

Leaves: Alternate, occasionally opposite; simple; 4" to 5" long, 1" wide; deciduous; entire; narrow-elliptic to lanceolate; dull green; glabrous above and slightly pubescent beneath.

Twigs/buds: Twigs orangish-brown to reddish-brown.

Flowers/fruit: Flowers perfect; blooms in late spring; terminal erect clusters (racemes); 1" long, trumpet-shaped, pink, white, or lavender, yellowish center with purple veins in the throat; showy. Does not generally produce fruit.

Bark: Smooth, light gray, becoming darkened and thickened with age.

Wood: Weak; little information available.

General: General name given to hybrids of Catalpa bignonioides (Southern catalpa) and the Utah native Chilopsis linearis (desertwillow); long blooming flowers provide nectar for hummingbirds. Prefers full sun to partial shade.

Landscape Use: Fairly drought tolerant, small, multi-trunked shade tree that can be trained to a single leader if desired. Fast-growing, yet handles strong winds without breaking. Deep root system prevents damage to patio or walks. Tolerates high pH soils, heat, and drought and is ideal for low-water landscapes. Zones 6-9.

Cultivars: 'Morning Cloud', 'Pink Dawn'.

Characteristics

General

Family Bignoniaceae - Catalpa
Cultivar Availability Yes
Hardiness Zone 6-9
Type Broadleaf
Utah Native No

Growth

Growth Rate High
Mature Height Medium
Longevity Medium
Is Good Under Power Lines No
Crown Shapes Shrubby

Ornamental

Bark No
Fall Color No
Flowers Yes
Foliage No
Fruit No

Tolerance

Shade Low
Salt High
Drought High
Poor Drainage Medium
Alkalinity High
Transplanting High