Jerusalem Thorn

Parkinsonia aculeata

Native to:
Argentina, Aruba, Bahamas, Belize, Bolivia, Colombia, Cuba, Dominican Republic, Ecuador, El Salvador, Galápagos, Guam, Guatemala, Haiti, Honduras, Jamaica, Leeward Is., Mexico, Netherlands Antilles, Paraguay, Peru, Puerto Rico, Southwest Caribbean, Turks-Caicos Is., United States, Uruguay, Venezuelan Antilles, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Parkinsonia
Species:
Parkinsonia aculeata
USDA Symbol:
PAAC3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
1000 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar,apr,may,jun,jul,aug,sep
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★★★☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★★★★★ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

black-dotted melipotis (Melipotis acontioides)

Reported Fauna Sightings

Bees: Xylocopa sonorina Moths:black-dotted melipotis (Melipotis acontioides), Psamatodes abydata

Garden & Ecology Notes

Wildlife Value:
birds, butterflies
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously after fire; seeds may be stimulated by heat.

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Adapted to arid and semi-arid regions

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–30 days
Notes:
Seeds require scarification (nicking or hot water treatment) to break physical dormancy; germination occurs rapidly after treatment.

Where to Buy

Nationwide Seller