Purple loosestrife Lythrum salicaria purple Organic - Hardy plantIt looks like an oversized cat's tail! Long, furry stems. The purple loosestrife (Lythrum salicaria) brightens the garden with upright purple blades. The organic plant also thrives next to the edge of a pond! The flowers bloom in the summer. A location in full sun is best for purple loosestrife. Keep it nice and moist. The plant is grown organically! In other words, no chemical pesticides have been used to grow the plant. For a healthy garden!