Low Irrigation

While native and non-native species in this category are very drought-tolerant, their quality will be enhanced by the addition of 0.4 gallons of water per square foot of canopy area per week, during dry periods of mid-summer.


Taxonomic Section


Asteraceae

Aster Family


 Black sage brush

 Click on image to enlarge

  Name: Black sagebrush, Artemisia nova
  Type: Evergreen shrub
  Seasonal color: Inconspicuous yellow bloom
  Bloom period: Spring to summer
  Mature height x spread: 2ft x 2ft
  Zones: 4-9
  Feature: Fixes nitrogen
  Light: Full sun


 Curry plant

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  Name: Curry plant, Helichrysum angustifolium
  Type: Woody perennial
  Seasonal color: Yellow bloom
  Bloom period: Mid-summer to autumn
  Mature height x spread: 2ft x 2ft
  Zones: 5-8
  Feature: Fragrance of curry powder
  Light: Full sun to partial shade


 Desert

  Click on image to enlarge  

  Name: Desert Zinnia, Zinnia grandiflora
  Type: Perennial ground cover or subshrub
  Seasonal color: Bright yellow bloom
  Bloom period: Mid-summer to early autumn
  Mature height x spread: 6-8in x 10in
  Zones: 4-7
  Feature: Short life span of 2 to 3 years
  Light: Full sun


 Dotted gayfeather

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  Name: Dotted gayfeather, Liatris punctata
  Type: Forb/herb
  Seasonal color: Purple bloom
  Bloom period: Mid-summer
  Mature height x spread: 2ft x 2ft
  Zones: 3-9
  Feature: Attracts bees and butterflies
  Light: Full sun


 Fringed sagewort

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  Name: Fringed sagewort, Artemisia frigida
  Type: Evergreen subshrub
  Seasonal color: Small yellow bloom
  Bloom period: Summer to autumn
  Mature height x spread: 1-2ft x 1-2ft
  Zones: 4-8
  Feature: Fine silvery foliage
  Light: Full sun to partial shade

Crassulaceae

Stone Crop Family


 Autumn Joy

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  Name: Autumn Joy, Hylotelephium telephium
  Type: Succulent perennial
  Seasonal color: Pink bloom early summer, rust red autumn
  Bloom period: Spring to autumn
  Mature height x spread: 18-24" x 10-15"
  Zones: 3-8
  Feature: Attracts bees and butterflies
  Light: Full sun to partial shade

Cupressaceae

Cypress Family


 Rocky Mountain juniper

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  Name: Rocky Mountain juniper, Juniperus scopulorum
  Type: Evergreen tree or large shrub
  Seasonal color: Inconspicuous
  Bloom period: Spring
  Mature height x spread: 15-30ft x 8-15ft
  Zones: 3-7
  Feature: 1/4-1/3 inch berrylike cones
  Light: Full sun

Fabaceae

Pea Family


 New Mexico locust

 Click on image to enlarge

  Name: New Mexico Locust, Robinia neomexicana
  Type: Large shrub or small tree
  Seasonal color: Pink or lavender bloom
  Bloom period: Early summer
  Mature height x spread: Shrub 6ft x 6ft or tree 30ft
  Zones: 4-8
  Feature: Branches with paired thorns
  Light: Full sun


 Screwbean mesquite

 Click on image to enlarge

  Name: Screwbean mesquite, Prosopis pubescens
  Type: Deciduous tree
  Seasonal color: Yellow bloom
  Bloom period: Summer
  Mature height x spread: 15ft
  Zones: 6-8
  Feature: Spirally-twisted seed pods
  Light: Full sun

Lamiaceae

Mint Family


 Cherry sage

 Click on image to enlarge

  Name: Cherry sage, Salvia greggii
  Type: Evergreen or deciduous shrub zone dependent
  Seasonal color: Red bloom
  Bloom period: Spring and autumn
  Mature height x spread: 2ft x 2-3ft
  Zones: 5-8
  Feature: Good as low hedge
  Light: Full sun to partial shade


 Greek germander

 Click on image to enlarge

  Name: Greek germander, Teucrium aroanium
  Type: Herb/ground cover
  Seasonal color: Lavender bloom
  Bloom period: Summer
  Mature height x spread: 1ft x 2-2.5ft
  Zones: 5-10
  Feature: Deer and rabbit resistant
  Light: Full sun


 Rock sage

 Click on image to enlarge

  Name: Rock sage, Salvia pinguifolia
  Type: Deciduous small shrub
  Seasonal color: lavender bloom
  Bloom period: Summer to autumn
  Mature height x spread: 3-5ft x 2-3ft
  Zones: 6-8
  Feature: Aromatic leaves
  Light: Full sun to partial shade

Liliaceae

Lily Family


 Beargrass

 Click on image to enlarge

  Name: Beargrass, Nolina microcarpa
  Type: Perennial shrub
  Seasonal color: Inconspicuous greenish white to yellow bloom
  Bloom period: Mid-spring
  Mature height x spread: 5ft x 5ft
  Zones: 5-9
  Feature: Leaves used for making baskets
  Light: Full sun

Linaceae

Flax Family


 Perennial flax

 Click on image to enlarge

  Name: Perennial flax, Linum perenne
  Type: Perennial
  Seasonal color: Blue bloom
  Bloom period: Spring
  Mature height x spread: 1-1.5ft x 1ft
  Zones: 2-8
  Feature: Short-lived bloom, cut back after initial bloom
  Light: Full sun to partial shade

Malvaceae

Mallow Family


 Desert globe mallow

 Click on image to enlarge

  Name: Desert globe mallow, Sphaeralcea ambigua
  Type: Herbaceous perennial
  Seasonal color: Orange bloom
  Bloom period: Early spring
  Mature height x spread: 2ft x 3ft
  Zones: 5-8
  Feature: Attractive downy leaves
  Light: Full sun

Nyctaginaceae

Four O'clock Family


 Giant four o'clock

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  Name: Giant four o'clock, Mirabilis multiflora
  Type: Herbaceous perennial
  Seasonal color: Magneta bloom
  Bloom period: Summer
  Mature height x spread: 1-2ft x 5-6ft
  Zones: 5-8
  Feature: Blue-gray broadly pointed leaves
  Light: Full sun to half-day sun

Poaceae

Grass Family


 Giant sacaton

 Click on image to enlarge

  Name: Giant sacaton, Sporobolus wrightii
  Type: Perennial
  Seasonal color: Pinkish bloom
  Bloom period: Summer to autumn
  Mature height x spread: 3ft foliage x 5ft plume
  Zones: 4-8
  Feature: Not as alkali tolerant as Alkali Sacaton
  Light: Full sun

Polemoniaceae

Phlox Family


 Scarlet gilia

 Click on image to enlarge

  Name: Scarlet gilia, Ipomopsis aggregata
  Type: Perennial forb/herb
  Seasonal color: Red bloom
  Bloom period: Late spring through summer
  Mature height x spread: 1ft x 2-3ft
  Zones: 1-7
  Feature: Landscape red accent plant
  Light: Full sun to partial shade

Polygonaceae

Smartweed Family


 James' buckwheat

 Click on image to enlarge

  Name: James' Buckwheat, Eriogonum jamesii
  Type: Forb/herb
  Seasonal color: Small pale yellow bloom
  Bloom period: Mid-summer to late summer
  Mature height x spread: 1ft x 1.5ft
  Zones: 4-9
  Feature: Tolerates strong winds
  Light: Full sun

Rosaceae

Rose Family


 Curl leaf Mountain mahogany

 Click on image to enlarge

  Name: Curl-leaf Mountain Mahogany, Cerocarpus ledifolius
  Type: Evergreen shrub or tree
  Seasonal color: Small yellow bloom
  Bloom period: Early spring
  Mature height x spread: 4-15ft x 4-8ft
  Zones: 3-8
  Feature: Light gray bark
  Light: Full sun or half-day shade


 Squaw apple

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  Name: Squaw apple, Peraphyllum ramosissimum
  Type: Deciduous tree
  Seasonal color: White bloom
  Bloom period: Spring
  Mature height x spread: 5ft x 5ft
  Zones: 3-6
  Feature: Edible fruit; food for wildlife
  Light: Full sun


 Western sand cherry

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  Name: Western Sandcherry, Prunus besseyi
  Type: Deciduous shrub
  Seasonal color: White bloom
  Bloom period: Spring
  Mature height x spread: 4ft x 6ft
  Zones: 4-7
  Feature: Summer black berries, autumn red foliage
  Light: Full sun to partial shade

Sapindaceae

Soapberry Family


 Golden rain tree

 Click on image to enlarge

  Name: Goldenrain tree, Koelreuteria paniculata
  Type: Deciduous tree
  Seasonal color: Yellow bloom/ autumn orange-red leaves
  Bloom period: Summer/autumn
  Mature height x spread: 25ft x 20ft
  Zones: 5-8
  Feature: Red and black Boxelder bugs attracted to seeds
  Light: Full sun

Scrophulariaceae

Figwort Family


 Firecracker penstemon

 Click on image to enlarge

  Name: Firecracker penstemon, Penstemon eatonii
  Type: Perennial
  Seasonal color: Red bloom
  Bloom period: Early summer
  Mature height x spread: 1ft with 3ft flowering stalks
  Zones: 4-8
  Feature: Attracts butterflies and hummingbirds
  Light: Full sun to partial shade


 Penstemon sunset crater

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  Name: Penstemon Sunset Crater, Penstemon clutei
  Type: Perennial herb
  Seasonal color: Pink bloom
  Bloom period: Summer to mid-autumn
  Mature height x spread: 2-2.5ft x 2-3ft
  Zones: 4-9
  Feature: Native range Sunset Crater, Arizona
  Light: Full sun


 Penstomen pineleaf

 Click on image to enlarge

  Name: Pineleaf penstemon, Penstemon pinifolius
  Type: Woody perennial
  Seasonal color: Red bloom
  Bloom period: Late Spring to summer
  Mature height x spread: 2ft x 2ft
  Zones: 4-8
  Feature: Attracts butterflies and hummingbirds
  Light: Full sun to light shade

Verbenaceae

Vervain Family


 Blue mist

 Click on image to enlarge

  Name: Blue mist, Caryopteris clandonensis
  Type: Deciduous shrub
  Seasonal color: Blue bloom
  Bloom period: Summer
  Mature height x spread: 2ft x 2ft
  Zones: 5-8
  Feature: Aromatic leaves
  Light: Full sun to partial shade