Showy Milkweed is Native to the US West.
||2-6 ft tall, 1 ft wide
||Zone 9 (SF Bay Area)
||Plant 1” deep
||6.0 – 8.0
||Average fertility, less than average water needs, well-drained
||Can be toxic to children or pets if consumed in large amounts
||Can be a bit invasive, plant where you can manage it or where it’s okay to spread
||Needs water for only the first year or two until the tap root is established.
||Western US and upper Midwest
Sources: Prairie Nursery: https://www.prairienursery.com/showy-milkweed-asclepias-speciosa.html
The Spruce: https://www.thespruce.com/how-to-grow-and-care-for-showy-milkweed-5094148