Quick answer: 1 monarch host plants are native to Pennsylvania, 1 with a live listing as of 16 Sep 2026.
1 species
- Butterflyweed Asclepias tuberosa · 37 states
Milkweeds and other species recorded as Monarch larval hosts.
Quick answer: 1 monarch host plants are native to Pennsylvania, 1 with a live listing as of 16 Sep 2026.