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Woolly blue curls is one of the most fascinating and attractive native flowering shrubs to both people and hummingbirds alike. It is small evergreen shrub growing with upright branches 2-3 ft. tall and spreading 3-4 ft. across. Its resinous aromatic foliage is comprised of dark green linear leaves, 2-3 in. long, have glossy and heavily wrinkled surfaces. Tall spikes of striking purple, blue and white flowers are rich in nectar and occur with greatest intensity in early spring and intermittently throughout the year.

Woolly blue curls is a highly popular native plant due to its remarkable flowers and long flowering season, which can be extended by removing older flowers. It requires well-drained soils and grows best with low amounts of supplemental water once established. It serves as a flowering accent shrub in native gardens, on banks, around rocks and in revegetation plantings. Cultivars of this species can sometimes be found at native plant nurseries that offer different foliage, form and flowering characteristics.

Water Needs

Woolly blue curls is is well adapted to sunny locations and requires well drained soils in the Inland Empire with low amounts of supplemental water during summer. The chart shown below provides a recommended baseline guide to the monthly irrigation schedule and volume of supplemental water needed to maintain healthy growth throughout the average year. It should be noted there are several months marked by an asterisk (*) when winter 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; it is desirable to let understory mulch to dry out in between waterings.

Irrigation Schedule and Graph

Low Water Use Plants

Irrigation Schedule 1

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

Range of supplemental summer water: 7"
Range of supplemental winter water: 0"-10"

  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: Shrub, Native
Foliage Character: Evergreen
Habit: Sprawling, Mounding
Growth Rate: Moderate
Height: 2 ft. - 3 ft.
Width: 3 ft. - 4 ft.
Water Needs: Low 1
Foliage Color: Dark green
Flower Color: Purple
Flower Season: Spring
Soil Adaptations: Well-draining soil, Clay
Exposure Adaptations: Heat, Drought, All day sun
Function: Wildlife value, Restoration, Hummingbird plant, Flowering accent plant, Borders, Fragrant foliage


Prune out spent flower stalks, if desired, to encourage a longer blooming cycle (5).



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