Cactus—Cereus, Echinocactus, Echinopsis, Epiphyllum, Mammillaria spp.
Family Cactaceae (Cactus family)
Cacti contain many species of succulent type plants.
They generally appear leafless, but their spines may be modified
leaves. The pads and joins are modified stems that store water.
All cacti are native to the Americas and grow in climates ranging
from tropical jungles to high alpine regions. Many have colorful
blossoms. Cacti range in height from a few inches to over 50 feet
tall. They can be grown as container specimens or in landscapes.
Optimum conditions for growth
New cacti should be watered very little after planting.
After 4 to 6 weeks when there are actively growing roots, begin
to water thoroughly and let the soil dry completely before watering
again. Landscape plantings require full sun and well-drained soils.
They require little water once established. Reduce watering of
both landscape and containerized plants in the fall to allow plants
to go into dormancy.
Prickly pear cactus
Golden barrel cactus (ground) and tall cacti