Deering's Tree Cactus 🛑 Endangered

Pilosocereus polygonus

Also known as: Royen's Tree Cactus

Native to:
Dominican Republic, Haiti, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cactaceae
Genus:
Pilosocereus
Species:
Pilosocereus polygonus
USDA Symbol:
PIPO4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
600 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul
Bloom Colors:
white, pink

Garden & Ecology Notes

Wildlife Value:
birds, bats
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid, rocky environments

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily at warm temperatures (75-85°F) with light; no pretreatment needed.

The above propagation data sourced from Claude AI