Ladakhis harvest nettles in the late summer dry it and use it in soups through the winter when green vegetables are scarce.Milarepa, Tibetís wandering mediator lived on nettles for decades .Growing between 30 cm and 1.5 m nettles are widely used by herbalists. The leaves have proven to be beneficial for allergic sinus problems. It is also used as a diuretic, anti-arthritic, anti-rheumatic and anti-bacterial agent. It is used as a CNS depressant in the treatment of anxiety and sleep disorders and as an antispasmodic. An extract of the roots has been shown to reduce suffering that is associated with enlarged prostrates. It is considered to relieve the symptoms rather than the enlargement itself. The giant stinging nettle, Girdardinia diversifolia is a perennial plant that grows much taller than humans. It grows in partially shaded areas and is harvested near the end of the monsoon.