On: Just 29k Western Monarch butterflies are left in C...

[tonygrue]

Not an expert, but some digging in on this indicates there is one species folks advice against (topical milkweed); otherwise the advice is a species native to your region.

Some sites out there can help you pick a milkweed for your region. [https://blog.nwf.org/2015/02/twelve-native-milkweeds-for-mon...] and [https://monarchjointventure.org/images/uploads/documents/Mil...]