Purple loosestrife has developed no fewer than three ways to safeguard against self-pollination. According to the IUCN (International Union for Conservation of Nature) our beautiful and harmless purple loosestrife is on a global list of the hundred most harmful foreign species (including plants, animals, insects…). All rights reserved. May grow up to 6 feet tall and 4-5 feet wide. The very things that make it so dangerous to the environment make it appealing to gardeners. Stem unbranched–sparsely branched, 4-edged, usually fine-haired. <>>> It is easy to examine the flowers because the stamens are also different colours: long ones are greenish, medium long are dirty yellow and the short ones are bright yellow. Choose a site that is rich and has had compost or leaf litter worked in to improve soil texture and nutrient composition when growing gooseneck loosestrife. Small reddish-purple flowers grow in dense, showy spikes at … The spikes can be quite tall, up … endobj The Eurasian forb purple loosestrife, Lythrum salicaria, is an erect, branching, perennial that has invaded temperate wetlands throughout North America. 2. The plant blossoms every July through September with purple flowers that are located in long spikes at the tip of its branches. During the cool season, purple loosestrife dies back, resprouting from the woody crown in the spring. Description: Purple loosestrife is a non-native herbaceous perennial with a stiff, four-sided stem and snowy spikes of numerous magenta flowers.Individual flowers have five to seven petals, and are … Many people, when they hear "loosestrife," automatically think of purple loosestrife, a notoriously invasive plant. Its average height is 5 feet. The plants grow mainly in wet areas. Pros and Cons of Loosestrife. !��Q�(sQ�g�x��^g"�KБu�����vQ�z��\_�j�Ӄ �DńצB�%��~K�Ǣכ�F��;-H��@�j�%}�ދJ�(�Plt����WzI߿��p|S���P� @O30h���������Χ��q۩�M.h;���:%C�o�P�2�]�ި�2r��M�PIu��c�vH����AH�K*J7:�0�0Lk����#�^���|mݒ�r�$z|D'6II�gt��qm��qÕ���Q,�5�e_����>W�@�5�R~+H✝9�z����E&�j�xi� 0����� �x/�cI��nX���� → Distribution map What does Purple Loosestrife look like? Purple loosestrife is a wonderful domestic alternative to decorate garden ponds, and different varieties … Purple Loosestrife Purple loosestrife is an erect perennial herb standing 3 to 10 feet tall. See more ideas about Purple loosestrife, Plants, Wild flowers. A single stem can produce as many as thirty stems growing from the main stem. �\ƅKo=��}m*h@��1�a��8�Eޚb���M�����2'�AŏL19��I^x9��W&������ �n0�s�ds#�5".R³R�)�n��˹A��^�U���!D���3~a�cb�4����7�4G������a�x�h�}��zd0ӎX�=����ޡ�e���dn!���Jr.I��uhA��?i|��S5��=Ͼ� aNܹ��֓U�ް���f��������2z:���9JP�얰�04\ ���n#�WHՆy{�����H��DM��T�2*�0"�يU@��u*��q�dͯ�vm�k7b�K�dp�;d�8ð^�-R���LE M�Ϊ�F��Ӊ9֬Ohrx����Mt��^���A��UGm{2 Bo{3��:������0��8��lL��J�B�3��a����($�5����2t��h��L�9����T�����D�S���>��O�:�,vRD�j��/��o��Co �[L-���c:�ٱ�n|��2�7�\�5�]T�z+��:��lI!��kSAwO��zڟ,�QwR|����PW��;���ӫ=&ˮ�q�RoA�l���P d(mի���1�$!�amظ��H�Ҹ��0`u�b���X<0s��sM6ĺ�禣�S��1���iP�)+&���+9��uR��y�6 D��z����OC���� �_�TL�iW�Q��".Qj�;����|V�m�7����4�i�I@u�UZ�k0 ����'����%S}�̧~T��D�û@��/�E����+�����|�5�l .i�U�ˍ]��$|e�(�d^���N��ํ[x� The leaves are lanceolate, 3–10 cm long and 5–15 mm broad, downy and sessile, and arranged opposite or in whorls of three. Many tall stems can grow from a single root stock. Care. 4 0 obj Compare Japanese knotweed, leafy spurge and broad-leaved pepperweed. First of all it attracts insects to pollinate it: pollen-toting hymenopterans and flower flies, and perhaps butterflies too. long. Growing Gooseneck Loosestrife. 3 0 obj The particles of pollen produced by each flower type are different and almost without exception can only pollinate another kind of flower. �,��T�ja.� ���. It can quickly form dense stands that displace native vegetation. Purple loosestrife (Lythrum salicaria) is a herbaceous perennial that may grow up to 10 feet tall and 4 feet wide.Plants can reach maturity in 3 to 5 years, producing as many as 50 stems per plant. Also ornamental. Characteristics of purple loosestrife Plant. The prime function of purple loosestrife’s glowing purple inflorescence is not just to look beautiful for people but to help the plant propagate itself. Purple loosestrife is also capable of establishing in drier soils, and may spread to meadows and even pastured land. ޯ��eb��zbE�r��ˋ�31��x����������d�&�꧗B��V~�N�B�1M��VT1ܻ�8�p��ܺ�e��͏�k��b�.�q�$KI�/�Q�S7U��兌\zD��aF�ʼn?�*d���b~��y1|N���S�?롣����x3j��� �~e�=JS�2{�0�E�$Q ���M8��f��LfN��GBI$#��}���["�����oG�� �����ᬛG�m����۶���~������*�0��̜̜�l�����N The stems are reddish-purple or red to purple and square in cross-section. The edged, persistent stems are partially branched and grow from a rhizome. QH5���*� ԋ��:���KX;�I�rzs�� T���5^KnoT����(y�#KQ�^�@�W|>�ϧ��p?~T��xʽI�0��X�^P�/�=;j�o�>�y�…�{C������O��2�\Tʦ��VqÁ����3@�)#��p^�BOoy%��L�p���0��>�����`����A59�Ch���9z�,OM��Ϝ�Mȣ�}���m!��YOь���9�]HA�Dw0qf�.�.�ֺT����9X����eWã� � <> Purple loosestrife is non-native to North America. Stamens 12. In northern England and Scotland it’s more frequent in the west. Prolific seed production, and the long life of the root crown, allows Purple Loosestrife to become a very dense monoculture. Where Does it Grow?