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Asclepias syriaca, commonly called common milkweed, butterfly flower, silkweed, silky swallow-wort, and Virginia silkweed, is a species of flowering plant. [ 2 ] [ 3 ] It is native to southern Canada and much of the United States east of the Rocky Mountains, excluding the drier parts of the prairies. [ 4 ]
Most milkweed plants grow best in full sun, while common milkweed is happiest in well-draining soil, and swamp milkweed may become stressed and prone to aphids if it’s not grown in moist earth.
Roses, corn, peppers, grapes: Leafhoppers, Japanese beetles: Tomatoes, tobacco, eggplants and other nightshades: A trap crop, attracting pests away from roses and grape vines, distracts beet leafhoppers, carrier of the curly top virus, keep away from solanaceous plants like eggplant, and tobacco Larkspur: Delphinium spp. Beans, cabbage: Lupin ...
Asclepias is also known as "Silk of America" [36] which is a strand of common milkweed (A. syriaca) gathered mainly in the valley of the Saint Lawrence River in Canada. Milkweed floss can be used in thermal insulation and acoustic insulation. The floss is also highly buoyant and water-repellent, but absorbs oil readily. [37]
The problem will progress up the plants until they’re virtually bare. General-purpose garden fungicides will control this late-spring disease that is made worse by water on leaves. Spider mites.
This is a list of diseases of grapes (Vitis spp.). Bacterial diseases ... Tomato black ring virus: ... Common Names of Diseases, The American Phytopathological ...
Downy mildew of basil caused by Peronospora belbahrii has been a huge problem for both commercial producers and home growers. The disease was first reported in Italy in 2004, [ 12 ] was reported in the U.S. in 2007 and 2008 [ 13 ] [ 14 ] and has been steadily increasing in prevalence, distribution, and economic importance since then.
Asclepias eriocarpa is a specific monarch butterfly food and habitat plant. It is one of the most poisonous milkweeds. Natural History July/August 2015 calls it the most poisonous, but most sources put it below A. lancifolia (now known as Asclepias perennis).