Cereus peruvianus var. monstrosus (Apple Cactus)


Botanical Information

FamilyCactaceae
GenusCereus
Speciesperuvianus
Varietymonstrosus
CategoryTropicals
OriginSouthernmost portion of the Southwestern United States of America and Mexico.

Details

USDA Hardiness Zone9 - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H1b
RHS Hardiness Ref.
Temperature (°F)10
Height9 m
Spread1 - 3 m
GrowthSlow
Flowering PeriodDecember

Description and Growing Information

ShapeUpright.
LandscapeMass plantings, rock gardens, borders, potted outdoor patio plant, indoor potted plant or as a specimen.
CultivationPlant in well-drained, loose gravelly, sandy or loamy soils in full sun to partial shade. Full sun encourages flowering and fruit growth.
PestsRoot rot in waterlogged soils. Scale and Mealybugs may be a problem.
Notable SpecimensThe Devonian Botanic Garden, Devon, Alberta, Canada. Centennial Conservatory, Thunder Bay, Ontario, Canada.
HabitatDry rocky plains and slopes.
Bark/Stem DescriptionSmooth yet gnarled succulent flesh that appears rough and bumpy as the plant matures. Inconspicuous spines grow lengthwise in panicles of 2 - 6 along the veins.
Flower DescriptionShowy 8 - 12-petaled blooms that grow along succulent veins among inconspicuous spines.
Fruit DescriptionShowy ovate-sperical fruits, or 'prickly pears', appear after flowers, measuring between 10 - 18 cm long and 10 - 12 cm wide.
Colour DescriptionSucculent flesh varies in colour from true green to grey depending on maturity. Greyish-white spines. White to pale purplish-brown flowers. Bright red to pale red fruits.
Texture DescriptionSmooth, bumpy.

Photographs