Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Cactaceae

Genus:

Opuntia

Species:

Opuntia atrispina

USDA Symbol:

OPAT

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Succulent

Height:

30 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

yellow

Ground Cover:

Yes

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds, small mammals

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Can resprout from root crown following fire. Pads may also root if scattered by fire activity.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid regions, prefers dry conditions

Propagation & Germination

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–90 days

Notes:

Seeds have hard coats requiring scarification. Germination is often erratic and improved by warm temperatures.

The above propagation data sourced from Claude AI