Lythrum Salicaria Plant. Lythrum salicaria, known commonly as purple loosestrife, is an interesting species native not only to australia but widespread in europe, asia and north america. The foliage of this cultivar is ferny which is why it is named ‘swirl’.
Spectacular when in full bloom, purple loosestrife (lythrum salicaria) is a vigorous, upright perennial enjoying an extremely long bloom season from late spring to late summer. Lythrum salicaria is a hardy, herbaceous perennial native to eurasia and the british isles. It is hardy to uk zone 3.
It is currently against the law in north carolina and many other states to sell purple loosestrife, because it escapes from cultivation and becomes a prolific weed in wetland areas, choking out native vegetation essential for waterfowl.
Purple loosestrife ( lythrum salicaria) is a perennial plant that is invading many north american wetlands. It was introduced to the east coast in the early 1800s, possibly as seeds in ship’s ballast or as an ornamental. Lythrum plant growing and care guide.
24 to 60 inches (60 to 150 cm).
It is in flower from june to august, and the seeds ripen from august to september. The stalkless leaves can be opposite, often with alternating pairs at 90 degree angles, or sometimes in whorls of 3 near the base. Despite lythri herba being a pharmacopoeial plant material (ph.
Besides the flowers it does attract bees and butterflies to the garden.
Purple flowers in dense terminal spikes. Salicaria popularity as a medicinal plant has recently declined. Despite lythri herba being a pharmacopoeial plant material (ph.
S alicaria is also known colloquially as long purples, purple grass, rainbow weed, rose loosestrife,.
Lythrum salicaria is a perennial growing to 1 m (3ft 3in) by 0.5 m (1ft 8in) at a fast rate. It is a herbaceous perennial related to lagerstroemia (crepe myrtle) and known from ancient times. The foliage of this cultivar is ferny which is why it is named ‘swirl’.
It has been used for centuries in european traditional medicine.
Purple loosestrife can reach some of the highest levels of biomass and annual production reported for freshwater vegetation ( mitsch and gosselink, 1993 ). Now the highest concentrations of the plant occur in the formerly glaciated wetlands in the northeast. Grown in shallow water this is a very easy care plant.