Senegalia nigrescens - Knob thorn

Senegalia nigrescens

Knob thorn

An attractive shade tree that can be grown in rocky areas.

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Additional Information

Information
Details
Botanical Name
Senegalia nigrescens
Common Name
Knob thorn
Also Known As
Knoppiesdoring
SA Tree No​
178
Tree Type
Deciduous
Attracts
Birds, Butterflies
Features
Shade Tree, Fodder Tree, Rocky Area
Flowering Season
Spring
Focal
No
Fragrant
Yes
Frost Tolerance
Semi-Hardy
Fruiting Season
Growth Rate
Fast >500mm
Minimal Leaf Shedding
No
Origin
Indigenous
Soil pH
Root System
Aggressive
Soil Type
Sandy, Loam, Well Drained
Suitable Garden Size
Large
Suitable Planting Area
Full Sun

Aloes & Trees Pricing

Size
Price
Height
Trunk Thickness
20L
R175-R305 *5 Min
1.0m – 1.2m
5mm – 15mm
40L
R390-R750 *2 Min
1.3m – 1.8m
12mm – 20mm
50L
R400-R950 *2 Min
1.3m – 1.9m
15mm – 25mm
100L
R895-R2350 *1 Min
1.8m – 2.5m
20mm – 30mm
250L
R2400-R3500 *1 Min
2.5m – 4.0m
30mm – 50mm
500L
R3500-R6500 *1 Min
4.0m – 7.0m
50mm – 120mm
1000L
R6500-R12500 *1 Min
6.0m – 10.0m
80mm – 120mm
E.O.G
R8500-R25000+ *1 Min
5.0m – 12.0m
Variable

Description

This fodder tree is ideal for a wildlife landscape as it will attract browsers and hole-nesting bird species.  Offering shade in the hot seasons, this charming deciduous tree is perfect for large gardens and properties, borders and farms.

Its branches and trunks have knobs on with diligent thorns sticking out of them.  It can also be used as an indoor or container plant.

  • Young trees need to be protected from frost
  • Tolerates temperatures as low as -3°c
  • Estimated height: 5-18m
  • Estimated width: 6-9m
  • Drought-resistant
  • Termite resistant

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