Gardenforms.com

CACTI and SUCCULENTS
In reference of "Gardenforms Landscape Plant Guide", Chapter 8
Aeonium arboreum (TREE AEONIUM)
Climate Zone: 15-17, 20-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 2-3' x 2-3'; 6-8" dia. rosettes
Foliage: Light green
Flowers:
Yellow (Spring)
Uses:
  • Indoor Use
  • Slope Planting
  • Fire Resistant
Photo Taken: Newport Beach, CA
Aeonium arboreum 'Atropurpureum' (PURPLE TREE AEONIUM)
Climate Zone: 15-17, 20-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 2-3' x 2-3'
Foliage: Dark purplish with mid to light green
Flowers:
Yellow (Spring)
Uses:
  • Indoor Use
  • Slope Planting
  • Fire Resistant
Photo Taken: El Sobrante, CA
Aeonium arboreum 'Zwartkop' (BLACK TREE AEONIUM)
Climate Zone: 15-17, 20-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 2-3' x 2-3'
Foliage: Deep dark purplish to nearly black
Flowers:
Yellow (Spring)
Uses:
  • Indoor Use
  • Slope Planting
  • Fire Resistant
Photo Taken: Newport Beach, CA
Agave americana 'Mediopicta'
(MEDIOPICTA CENTURY PLANT)
Climate Zone: 
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: 
Growth Rate: 
Height/Width: 
Foliage:
Flowers:

Uses:
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: El Cerrito, CA
Agave americana (CENTURY PLANT)
Climate Zone: 10, 12-24; H1, H2
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Moderate
Height/Width: 5-6' x 6-10'
Foliage: Blue-green leaves with spines at the tips
Flowers:
Yellow-green flowers on 15-40' tall stalks (Summer to Fall).  Once it flowers, plant dies off and sends out numerous shoots of miniature Agave's
Uses:
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: Martinez, CA
Agave americana 'Variegata' (VARIEGATED CENTURY PLANT)
Climate Zone: 10, 12-24; H1, H2
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Moderate
Height/Width: 5-6' x 6-10'
Foliage: Yellow and green leaves with spines at tips
Flowers:
Cream flowers on 15-40' tall stalks (Summer to Fall)
Uses:
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Agave attenuata (FOXTAIL AGAVE)
Climate Zone: 13, 20-24; H1, H2; (seen grown in zone 16)
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Fast
Height/Width: 3-4' x 4-6'
Foliage: Gray-green with no spines at tipes
Flowers:
Greenish yellow flowers on 10-15' tall stalks (Fall to Winter)
Uses:
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: San Marino, CA (Huntington Botanical Gardens)
Agave tequilana (BLUE AGAVE)
Climate Zone: 
Exposure:
Character:
Succulent Perennial
Watering: 
Growth Rate: 
Height/Width: 
Foliage: Bluish gray
Flowers:

Uses:
  • Commercial Alcohol Consumption
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: Cabo San Lucas, Baja California, Mexico
Agave vilmoriniana (OCTOPUS AGAVE)
Climate Zone: 12-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Moderate to fast
Height/Width: 3-4' x 3-4'
Foliage: Gray-green that twist, with spines at tips
Flowers:
Creamy yellow flowers on 10-12' tall stalks (Spring)
Uses:
  • Indoor Use (possibly)
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: 
Aloe arborescens (TORCH PLANT)
Climate Zone: 8, 9, 13-24; H1, H2; (borderline in zone 12)
Expsoure: Sun to partial
Character:
Succulent
Watering: Low
Growth Rate: Slow
Height/Width: 6-12'+ x 10-12'+
Foliage: Gray-green with spines along margins
Flowers:
Orange-Red (Winter to Spring)
Uses:
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken:
Aloe bainesii (TREE ALOE)
Climate Zone: 8, 9, 12-24
Exposure: Sun to partial
Character:
Succulent
Watering: Low
Growth Rate: Slow
Height/Width: 8-12'+ tall x 6-12'
Foliage: Pale green
Flowers:
Rose-pink to orange (Fall to Winter)
Uses:
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: San Diego County, CA
Aloe candelabrum (CANDELABRA ALOE)
Climate Zone:
Exposure: Sun to partial
Character:
Succulent
Watering: Low
Growth Rate: Slow
Height/Width: 8-12' x 5-7'
Foliage:
Flowers:
Orange-red, rose-pink to orange (winter)
Uses:
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: La Verne, CA
Aloe plicatislis (FAN ALOE)
Climate Zone: 8, 9, 12-24
Exposure: Sun to partial
Character:
Succulent
Watering: Low
Growth Rate: Slow
Height/Width: 8-12' x 6-8'
Foliage:
Flowers:
Orange-red (winter)
Uses:
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: Corona del Mar, CA (Sherman Gardens)
Aloe vera (BURN PLANT, MEDICINAL ALOE)
Climate Zone: 8, 9, 12-24; H1, H2; (among the best aloes in zones 12, 13)
Exposure: Sun to partial
Character:
Succulent
Watering: Low
Growth Rate: Slow to moderate
Height/Width: 12-18" x 18-24"
Foliage: Fleshy mid to gray green, with slight toothed margins
Flowers:
yellow flowers on 2-3' tall stalks (spring to summer)
Uses:
  • Medicinal Use (leaves)
  • Indoor Use
  • Highly Fire Resistant
  • Deer Resistant
  • Can grow under or around Oaks
Photo Taken: 
Aptenia cordifolia 'Red Apple' (BABY SUN ROSE)
Climate Zone: 12, 13, 15-17, 21-24; H1, H2
Exposure: Sun to partial; shade tolerate in arid heat climates
Character:
Succulent Perennial
Watering: Low to high
Growth Rate: Moderate to fast
Height/Width: 6-12" x 2-3'
Foliage: Bright light green
Flowers:
Bright Red (Spring to Summer)
Uses:
  • Shade Tolerate
  • Invasive Growth Habit
  • Slope Planting (not recommended on steep slopes)
  • Highly Fire Resistant
Photo Taken: Irvine, CA
Carpobrotus chilensis (TRAILING ICE PLANT)
Climate Zone: 12-24
Exposure: Sun
Character:
Succulent Perennial
Watering: Very low to moderate
Growth Rate: Fast (invasive)
Height/Width: 6-12" x 24-30"
Foliage: Mid-green
Flowers:
Fragrant rose-purple flowers (summer)
Uses:
  • Invasive Growth Habit
  • Slope Planting (not recommended on steep slopes)
  • Highly Fire Resistant
Photo Taken: Mendocino, CA
Cephalophyllum 'Red Spike' (RED SPIKE ICE PLANT)
Climate Zone: 8, 9, 11-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 3-5" x 15-18"
Foliage: Mid-green
Flowers:
Showy bright red (winter to spring)
Uses:
  • Fire Resistant
Photo Taken:
Cereus peruvianus (PERUVIAN APPLE)
Climate Zone: 13, 16, 17, 21-24; H1
Exposure: Sun to partial
Character:
Cactus
Watering: Low
Growth Rate: Slow
Height/Width: 10-18' x 12-15'
Foliage: Bluish green linear stems that are ribbed and covered with spines
Flowers:
Showy, slightly fragrant white flowers (occasionally in spring to summer)
Uses:
  • Fragrant Flowers (slightly)
  • Edible Fruits
  • Fire Resistant
Photo Taken: Pinole (Nob Hill), CA
Crassula aborescens (SILVER DOLLAR PLANT)
Climate Zone: 8, 9, 12-24; or indoors
Exposure: Sun to shade
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 2-3' x 2-3'
Foliage: Gray-green with red edges
Flowers:
White to pink flowers (fall to winter)
Uses:
  • Shade Exposure
  • Indoor Use
  • Highly Fire Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Crassula ovata (JADE PLANT)
Climate Zone: 8, 9, 12-24; H1, H2; indoors
Exposure: Sun to shade
Character:
Succulent Perennial
Watering: Low
Growth Rate: Moderate to fast
Height/Width: 6-8' (controlled 3-4') x 3-4'
Folaige: Glossy, mid-green
Flowers:
Pinkish white (fall to spring)
Uses:
  • Shade Exposure
  • Indoor Use
  • Highly Fire Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Crassula tetragona (MINIATURE PINE TREE)
Climate Zone: 8, 9, 12-24; or indoors
Exposure: Sun to shade
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow
Height/Width: 1-2' x 12-18"
Foliage: Narrow, mid-green
Flowers:
White (spring to summer)
Uses:
  • Shade Exposure
  • Indoor Use
  • Highly Fire Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Drosanthemum floribundum
(ROSEA ICE PLANT, PURPLE CARPET)
Climate Zone: 14-24; H1
Exposure: Sun
Character:
Succulent Perennial
Watering: Low
Growth Rate: Fast
Height/Width: 4-6" x 5-6''+
Foliage: Pale green
Flowers:
Showy pink flowers (spring to summer; although the blooming season is brief between 3-4 weeks)
Uses:
  • Erosion Control Slope Planting
  • Highly Fire Resistant
Photo Taken: Hercules, CA
Echeveria x imbricata (HEN AND CHICKS)
Climate Zone: 8, 9, 12-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low to moderate
Growth Rate: Moderate to fast
Height/Width: 4-6" x 6-18" (each rosette grows 4-6" and spreads)
Foliage: Gray-green
Flowers:
Orange-red (spring to summer)
Uses:
  • Fire Resistant
Photo Taken: Mendocino, CA (MacCallum House Inn)
Echinocactus grusonii (GOLDEN BARREL CACTUS)
Climate Zone: 12-24; Indoors
Exposure: Sun to partial
Character:
Cactus
Watering: Very low to low
Growth Rate: Slow
Height/Width: 3-4' x 24-30" (will produce offshoots)
Foliage: Mid-green, distinctive barrel-like shape, covered with showy yellow spines
Flowers:
Orange to yellow (summer)
Uses:
  • Indoor Use
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Echinocactus species (BARREL CACTUS)
Climate Zone: 12-24; Indoors
Exposure: Sun to partial
Character:
Cactus
Watering: Very low to low
Growth Rate: Slow
Height/Width: 2-3' x 3-4' (will produce offshoots)
Foliage: Mid-green, distinctive barrel-like shade
Flowers:
Orange-Red (summer)
Uses:
  • Indoor Use
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Hesperaloe parviflora (RED YUCCA)
Climate Zone: 2b, 3, 7-16, 18-24
Exposure: Sun to partial
Character:
Perennial
Watering: Very low to low
Growth Rate: Slow
Height/Width: 3-4' x 3-4'
Foliage: Sword-like, gray-green
Flowers:
Showy pink to red on 5' tall stalks (spring to summer)
Uses:
  • Fire Resistant
  • Deer Resistant (possibly)
Photo Taken: Yorba Linda, CA

GLPG Reference: Chapter 12 (Perennials), Page 322
Kalanchoe thyrsiflora (FLAPJACKS)
Climate Zone: 23, 24; H1, H2; (protect in zones 21, 22)
Exposure: Sun to partial; shade tolerate
Character:
Succulent Perennial
Watering: Low to moderate
Growth Rate: Slow
Height/Width: 18-24" x 9-12"
Foliage: Large, oval, grayish to pale green pads with red margins, that will turn deep red in full sun
Flowers:
Showy, fragrant yellow flowers on 30" tall stalks (winter to spring)
Uses:
  • Shade Tolerate
  • Foliage Changing Color (full sun)
  • Fragrant Flowers
  • Fire Resistant
  • Deer Resistant (possibly)
Photo Taken: West Covina, CA (climate zone 21)


Author Note: Climate Zones have been researched and interpreted by the author per field observation to comparison of the USDA Plant Hardiness Zone Map
Lampranthus spectabilis (TRAILING ICE PLANT)
Climate Zone: 12-24
Exposure: Sun
Character:
Succulent Perennial
Watering: Low
Growth Rate: Fast
Height/Width: 10-12" x 18-24"
Foliage: Gray-green
Flowers:
Purple, pink, rose or red (winter to spring)
Uses:
  • Erosion Control Slope Planting
  • Highly Fire Resistant
Photo Taken: 
Malephora crocea (CROCEA ICE PLANT
Climate Zone: 11-24
Exposure: Sun
Character:
Succulent Perennial
Watering: Low
Growth Rate: Fast
Height/Width: 6-12" x 3-6'
Foliage: Gray-green
Flowers:
Reddish yellow (spring to summer)
Uses:
  • Invasive Growth Habit
  • Erosion Control Slope Planting
  • Highly Fire Resistant
Photo Taken/Photograph Courtesy: Seal Beach, CA by Natalie Adkins Landscape Architect of Avenue39Design.com
Opuntia ficus-indica (INDIAN FIG, NOPALES)
Climate Zone: 8, 9, 12-24; H1, H2
Exposure: Sun
Character:
Cactus
Watering: Very low to low
Growth Rate: Fast
Height/Width: 10-18' x 10-18'
Foliage: Edible, mid-green pads with minimal spines that are eaten and prepared like a vegetable
Flowers:
Yellow to orange (spring to summer)
Fruit: Edible purplish fruits; some varieties have red, orange or yellow fruits
Uses:
  • Edible Foliage
  • Edible Fruits
  • Highly Fire Resistant
  • Deer Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden), (bottom: West Covina, CA)
Sedum rubrotinctum (PORK AND BEANS, JELLY BEAN PLANT)
Climate Zone: 8, 9, 12, 14-24; H1, H2
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low
Growth Rate: Slow to moderate
Height/Width: 6-8" x 6-12"
Foliage: Glossy green with red tips
Flowers:
Reddish yellow (spring)
Uses:
  • Slope Planting (not recommended on steep slopes)
  • Highly Fire Resistant
  • Deer Resistant
  • Can grow under and around Oaks (possibly)
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Senecio mandraliscae (BLUE CHALK STICKS)
Climate Zone: 12, 13, 16, 17, 21-24; H1, H2
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low to moderate
Growth Rate: Slow to moderate
Height/Width: 12-18" x 2-3'
Foliage: Blue-gray, 3-6" chalk-stick looking leaves
Flowers:
White (summer)
Uses:
  • Highly Fire Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Senecio serpens (DWARF BLUE CHALK STICKS)
(sold also as: Kleinia repens)
Climate Zone: 16, 17, 21-24
Exposure: Sun to partial
Character:
Succulent Perennial
Watering: Low to moderate
Growth Rate: Slow to moderate
Height/Width: 6" x 9-12"
Foliage: Blue-gray, 1.5" long stubby leaves
Flowers:
White (summer)
Uses:
  • Highly Fire Resistant
Photo Taken: Walnut Creek, CA (Ruth Bancroft Garden)
Yucca brevifolia (JOSHUA TREE)
Climate Zone: 7, 9-16, 18-23
Exposure: Sun
Character:
Evergreen Tree
Watering: Low
Growth Rate: Slow
Height/Width: 15-30' x 20-30'
Foliage: Stiff, sword-like gray-green leaves with spines at the tips
Flowers: Creamy white to greenish white (spring)
Uses:
  • Fire Resistant
  • Deer Resistant
  • CA Native
Photo Taken: Joshua Tree National Park, CA (bottom: Interstate Highway 5, Quail Lake Road Exit along Copco Avenue)

GLPG Reference: Chapter 3 (Trees), Page 120
Yucca elephantipes (GIANT YUCCA)
Climate Zone: 16, 17, 19-24; H1, H2; (protect from afternoon sun and hard frost in zones 12, 13)
Exposure: Sun to partial
Character:
Evergreen Shrub
Watering: Low
Growth Rate: Moderate to fast
Height/Width: 15-30' x 6-8'
Foliage: Stiff, sword-like, deep green leaves with spines at the tips
Flowers:
Creamy white (spring)
Uses:
  • Slope Planting
  • Fire Resistant
  • Deer Resistant
Photo Taken:


GLPG Reference: Chapter 4 (Shrubs), Page 170
Yucca recurvifolia (SOFT LEAF YUCCA)
Climate Zone: 7-10, 12-24
Exposure: Sun to partial
Character:
Evergreen Shrub
Watering: Moderate
Growth Rate: 
Height/Width: 6-10' x 6-8'
Foliage: Long (2-3'), blue-gray with spine at tips although bend with touch and won't cause injury like other Yucca varieities 
Flowers: White (spring to summer)
Uses:
  • Slope Planting
  • Fire Resistant
  • Deer Resistant
Photo Taken: San Pablo, CA