Algarrobo Negro

Neltuma nigra

Native to:
Argentina, Bolivia, Brazil, Paraguay, Uruguay

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Neltuma
Species:
Neltuma nigra
USDA Symbol:
PRNI3

Growth Characteristics

Height:
900 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may
Bloom Colors:
yellow

Garden & Ecology Notes

Wildlife Value:
birds, mammals
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Can resprout from root crown after fire; seeds may be stimulated by heat.

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, drought-tolerant

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 30–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–30 days
Notes:
Seeds require scarification (nicking or hot water treatment) followed by warm stratification for 30-90 days, then cold stratification for 30-60 days to break dormancy.