Monarch milkweed plants
Can I grow monarch milkweed plants in Bethlehem Pennsylvania?
Northampton County Pennsylvania butterflies
Ordinary milkweed grows wild on roadsides and in fields in Pennsylvania. There is an ornamental variety commonly called "butterfly weed". Here is a link to an article describing 12 species of milkweed that attract monarchs. Sightings of monarchs in eastern Pennsylvania have been rare in recent years. Here is a link to an article by Penn State explaining the reasons for the decline in Monarchs in our state.