Saguaro

Carnegiea gigantea

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cactaceae
Genus:
Carnegiea
Species:
Carnegiea gigantea

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
More than 40 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun
Bloom Colors:
White, Green
Food Forest:
Plant contains edible parts

Native Range

United States: Arizona, California

Host Plant for Caterpillars

fernald cactobrosis moth (Cactobrosis fernaldialis)

Soil Requirements

Soil Type:
sandy, well-drained, low fertility soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to Sonoran Desert; adapted to arid conditions

Germination Information

Pre-treatment: None required

Establishment: Fruit is a fleshy red berry that contains up to 2500 seeds within the pulp. Seeds are black at maturity. Fruits are collected by hand when they are deep red in color and are easily plucked from the plant. C. gigantea is found in southern Arizona and northwestern Sonora, Mexico and sparsely near the lower Colorado River in California.

Source: npn.rngr.net