Jerusalem Thorn
Parkinsonia aculeata
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Description
Parkinsonia aculeata, known as Jerusalem Thorn, is a versatile small tree or large shrub native to the Americas, particularly thriving in arid and semi-arid regions. It plays a crucial role in agroecological systems as a nitrogen-fixing species, enhancing soil fertility and structure. Its deep root system is effective in preventing soil erosion and stabilizing landscapes. The tree's open, airy canopy allows sunlight to reach the understory, supporting a diverse range of plants and contributing to biodiversity in food forests. Historically, it has been used by indigenous peoples for its wood and as a shade provider. In regenerative agriculture, it serves as a pioneer species, preparing the soil for more demanding plants. Guild companions include legumes like mesquite and native grasses, which benefit from its nitrogen-fixing ability.
Growing Details
Parkinsonia aculeata thrives in full sun and well-drained soils, tolerating drought and poor soil conditions. For optimal growth, prepare the soil by incorporating organic matter to improve drainage and fertility. Mulching around the base helps retain moisture and suppress weeds. Companion plants include drought-tolerant species such as sage and rosemary, which benefit from the tree's nitrogen-fixing properties. A common mistake is overwatering, which can lead to root rot. Harvest seeds when pod
Edible Parts
Seed
Seed Pod
Tags
Nitrogen Fixing
Hedge
Carbon Farming
Attracts Wildlife
Fire Wood
Windbreak
Erosion Preventing
Bee Friendly
Invasive
Visual Appeal
Easy Propagating
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Parkinsonia aculeata</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Native to the southwestern United States, Mex
applicable geo region: Americas
language used: en
Flowering:
beginning
of April for 90 days
Harvest:
beginning
of July for 60 days
Seed Start:
beginning
of March
Indoor Start:
Transplant:
Uses & Benefits
Edible Rating:
(2/5)
edible uses: The seeds of Parkinsonia aculeata can be cooked and eaten, though they are not widely consumed. They should be boiled to remove any potential toxins and improve digestibility.
Medicinal Rating:
(1/5)
medicinal uses: Traditionally, the bark and leaves have been used in folk medicine to treat ailments such as fever and digestive issues, although scientific validation is limited. Caution is advised as some parts may contain compounds that are not well-studied.
health concerns: Seeds should be cooked before consumption to neutralize potential toxins.
other uses: The wood is suitable for fuel, and the tree is often planted for ornamental purposes or as a shade provider in hot climates.
Scientific Literature
Loading scientific articles about <strong>Parkinsonia aculeata</strong>...
Botanical data
specie: Parkinsonia aculeata
common names: Jerusalem Thorn; Mexican Palo Verde; Horsebea
family: Fabaceae
sub family: Caesalpinioideae
tribe: Cercideae
sub tribe:
genus: Parkinsonia
Growing Conditions
area needed: 10.0 m
spacing: 5.0 m
growing difficulty: Low
Deciduous / Evergreen: Evergreen
Seed Temp (Opt/Min/Max): 25ยฐC / 20ยฐC / 30ยฐC
Plant Temp (Opt/Min/Max): 30ยฐC / 10ยฐC / 40ยฐC
water demands: Low
humidity:
light demands: High
root type: Deep
frost tender: Medium
hardness:
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(9/10)
first harvest: 3 years
life span: 50 years
succession: Pioneer
growth rate: Fast
max height: 8.0 m
max width: 6.0 m
soil preference:
Light (Sandy)
pH preference:
Neutral
flower type:
Hermaphrodite
growth details: Parkinsonia aculeata thrives in full sun and well-drained soils, tolerating drought and poor soil conditions. For optimal growth, prepare the soil by incorporating organic matter to improve drainage and fertility. Mulching around the base helps retain moisture and suppress weeds. Companion plants include drought-tolerant species such as sage and rosemary, which benefit from the tree's nitrogen-fixing properties. A common mistake is overwatering, which can lead to root rot. Harvest seeds when pod
Potential Disturbances: Common pests include aphids and scale insects. Introduce beneficial insects like ladybugs and lacewings to control aphid populations. Use neem oil or insecticidal soap for scale insects. Ensure proper drainage to prevent root rot.
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