Eastern Tiger Swallowtail drinks nectar

Attracting Eastern Tiger Swallowtail Butterflies

Eastern Tiger Swallowtail Butterfly (Papilio glaucus) on Joe-pye weed
Eastern Tiger Swallowtail Butterfly (Papilio glaucus) on Joe-pye weed

Eastern Joe-Pye Weed (Eupatorium dubium) is an Eastern Swallowtail magnet. You can count on it attracting these big yellow butterflies here on the East Coast

No matter where I come across Joe-Pye Weed blooming, I have seen these big yellow butterflies on top of the doomed flower clusters, sipping nectar.

I bought this plant at the Bowman’s Hill Native Plant sale two years ago and it attracted Eastern Tiger Swallowtail butterflies from the first time it bloomed.

A garden of good nectar sources and host plants in the local area, should provide good habitat for Eastern Swallowtails.

The host plants for Eastern Tiger Swallowtails include Tuliptree (Liriodendron tulipifera), Wild Cherries (Prunus species), Ash (Fraxinus) and Sweet Bay Magnolia (Magnolia virginiana) trees.

A host plant is what a butterfly caterpillar eats. Butterfly caterpillar (and other native insect larvae) are only able to eat certain plants.  They are like people. We can eat some plants but others will make us sick and die.

Butterfly caterpillars eat native plants almost exclusively. So, all the non-native plants we are planting in parks and gardens, aren’t helping the native insects. We are basically cutting out their food supply.

A good book to read about the link between nature insects and native plants is Bring Nature Home by Douglas Tallamy.

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