Scientific: Dalea greggii
Common: Trailing indigo bush
Family: Fabaceae (Leguminosae)
Origin: Chihuahuan desert

Pronounciation: Da-LEE-a GREG-gee-eye

Hardiness zones
USDA 9 - 11

Landscape Use: Ground cover for large sun and shade areas in dry landscapes areas, embankments.

Form & Character: Evergreen sub-shrub, prostrate and rapidly spreading once established.

Growth Habit: Slow at first after transplanting, but then fast growing to 15 feet wide and 3 feet height.

Foliage/texture: Tiny grayish leaves,pubscent, on wirey gray stems; fine texture.

Flowers & fruits: Clusters of small violet flowers, fruit inconspicuous.

Seasonal color: Violet during Spring and scattered throughout summer.

Temperature: Tolerant

Light: Full sun

Soil: Well drained soil is an IMPERATIVE for this prostrate shrub.

Watering: Is able to tolerate much drought once established, but is vigorous and more robust with regular water.

Pruning: None except to control spread

Propagation: Seed and cutting

Disease and pests: Root rot if drainage is poor.

Additional comments: Vigorous spreader, not for small spaces less than 10 feet in diameter! Often mistakenly planted in small spaces and as a result needs much pruning to contain. Remember, this sprawling shrub MUST have a well-drained soil!

Trailing indigo bush achieved it's xenith of popularity during the 1990s. Currently, it has faded into the background of 'desert landscape plants for Phoenix'.