Asclepias syriaca, also known as silkweed or butterfly flower, is native to Southern Canada and East of the Rocky Mountains in the US. This flowering plant is an important food source for many insects including monarch butterflies. It thrives in sandy soil and sunny environments. Wikipedia
You can help scientists understand how climate change is impacting this species by using the phenophase guide below to observe its lifecycle in Nature's Notebook.
Common Milkweed Phenophase Guide
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