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Description

The Monterey carpet manzanita is an attractive evergreen shrub with slender and intricate branching that has proven to have good garden tolerance and a consistent growth habit to 1-2 ft. tall with the potential to spread up to 8-12 ft. across. It has medium green leaves, 1 in. in size, distinctly pointed and have minute barbs on their margins. Small numbers of white flowers occur in the spring; bark on stems and small branches is deep red-purple.

Monterey Carpet manzanita performs well on banks and around large rocks with other natives. It is not as robust as other manzanita ground covers for the Inland Empire and needs protection from heat and sun when grown in warmer and drier inland and valley areas.

Water Needs

The Monterey carpet manzanita grow best on well drained soils with normal winter rains and low amounts of supplemental water during summer. Young plants will grow faster with moderate amounts of water during dry winter spells; established plants grow well with periodic deep irrigation in the summer. Manzanitas are vulnerable to disease problems when summer irrigation produces moist soil and leaf litter conditions that enable active fungi and bacteria growth.

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 indicated 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 have leaf litter and the top layer of soil beneath the stems to dry out between irrigation applications.

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"

 
0"-2"
0"-2"
0"-2"
1"
1"
1"
1"
1"
1"
1"
0"-2"
0"-2"
  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
For more information on how to use this Irrigation Schedule and Graph, click here.

Plant Properties

Plant Type: Shrub, Ground cover, Native
Foliage Character: Evergreen
Habit: Spreading, Mounding
Growth Rate: Slow
Height: 1 ft. - 2 ft.
Width: 8 ft. - 12 ft.
Water Needs: Low 1
Foliage Color: Medium green
Flower Color: Pink, White
Flower Season: Winter, Spring
Soil Adaptations: Well-draining soil, Acidic soil
Exposure Adaptations: Morning sun, Moderate shade, Fog, Coastal salt air, All day sun
Function: Wildlife value, Slopes, Rock gardens, Hummingbird plant, California native

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