Thorn Skeletonweed

Pleiacanthus spinosus

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Pleiacanthus
Species:
Pleiacanthus spinosus
USDA Symbol:
PLSP7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
pink, white

Garden & Ecology Notes

Wildlife Value:
small mammals
Deer Resistant:
Yes
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid desert regions

Propagation & Germination

Pre-treatment: None required

Establishment: The Allium geyeri can be found throughout North America; from prairies to mid elevations in the mountains. The propagation protocol does not provide specific details on germination rate, temperature, or time range.

Source: npn.rngr.net