Purple Vetch
Vicia benghalensis
Family: Fabaceae or Leguminosae
What it is like
Vicia benghalensis is a ANNUAL/PERENNIAL growing to 0.6 m (2ft) at a fast rate.The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. It can fix Nitrogen. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
Height (m): 0.6
Where it is found
Field margins, waste places etc in Britain.
S. Europe. N. Africa. Naturalized in Britain.
Conservation Status:
Countries/locations it is found in
How it is used
Food
Rating: 0
Medicine
Rating: 0
Other
Rating: 3
A good green manure plant, it is fairly fast growing, an effective weed suppresser, fixes nitrogen and makes a reasonable bulk. A turquoise-green dye is obtained from the flowers.
Dye: Plants that provide dyes.
Green manure: Fast-growing plants that can be used to increase the fertility of the soil.
Nitrogen Fixer: Plants that fix nitrogen in the soil
How it is grown
Succeeds in any well-drained soil in a sunny position if the soil is reliably moist throughout the growing season, otherwise it is best grown in semi-shade. Closely related to V. villosa. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby.
Propagating it: Pre-soak the seed for 24 hours in warm water and then sow in situ in spring or autumn.
Best place to grow: Cultivated Beds;
Habit: Annual/Perennial
Hardiness:
Growth: Fast
Soil: Light (sandy), medium, heavy (clay)
Shade: Semi-shade, no shade
Moisture: Moist
Things to keep in mind
Its other names
Local names
Synonyms
V. atropurpurea. Desf. Cracca atropurpurea