Lathyrus tuberosus, also known as the Tuberous Pea, Tuberous Vetchling, Earthnut Pea, or Aardaker, is a small, climbing perennial plant, native in moist temperate parts of Europe and Western Asia.
The plant is a trailer or weak climber, supported by tendrils, growing to 1.2 m tall. The leaves are pinnate, with two leaflets and a branched twining tendril at the apex of the petiole. Its flowers are hermaphroditic, pollinated by bees. The plants can also spread vegetatively from the root system.
It is occasionally grown as a root vegetable for its edible tuber. The sweet, starchy tubers are edible cooked or raw. Although palatable and nutritious, the crop is hampered by low productivity.
The plant is attractive and susceptible to slugs but is considered a noxious weed in Ontario. (wikipedia info)
Genus - Lathyrus
Species - Tuberosus
Common name - Tuberous SweetPea
Pre-Treatment - Not-required
Hardiness zones - 5 - 8
Height - 60-120 cm
Spread - 20-30 cm
Plant type - Perennial, Fragrant
Vegetation type - Deciduous
Exposure - Semi-shade (light woodland) or no shade
Growth rate - Medium
Soil PH - 6.0 to 7.0
Soil type - Heavy, Well drained, Fertile, Light, Medium
Water requirements - Semi-moist
Care level - Easy
Landscape uses - Grown for their racemes of attractive flowers. Attracts butterflies
Germination rate - 65%
Bloom season - Late Spring/Early Summer
Leaf / Flower color - Green / Magenta (Pink-Purple), Fuchsia (Red-Purple)