Common Garden Canna
Common Hackberry
Common Trumpet Creeper or Trumpet v
Common Verbena
Common Yarrow, Milfoil
Compass Barrel
Coolibah
Copper Canyon Daisy
Copper King Gazania
Coral Penstemon
Cork Oak
Coronation Gold Hybrid Yarrow
Cow Tongue Prickly Pear
Cow's Horn Agave
Coyotebush
Crape Myrtle
Creeping Germander
Creosote Bush
Cross Vine
Curl-leaf Mountain Mahogany
