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Leaves of alternate-leaf dogwood (Cornus alternifolia).

A Comprehensive Guide to Alternate-leaf Dogwood (Cornus alternifolia)

Alternate-leaf Dogwood (Cornus alternifolia) is a tree that is native to the mid-west and eastern United States and Canada. This plant is a host to the Spring Azure butterfly (Celastrina ladon) and the Cecropia Moth (Hyalophora cecropia). Growing from 10 to 15 feet tall, this species has yellow to white flowers that bloom from April to June It is hardy in zones 3-7.

Green flower cluster of Green Comet Milkweed (Asclepias viridiflora), an Illinois milkweed.

18 Beautiful Illinois Milkweeds (Asclepias spp.) to Grow for Monarch Butterflies

There are eighteen native species of Illinois milkweeds (Asclepias spp.) and one adventive species that can be grown for Monarch Butterflies and other insects. Milkweeds are an important host species for Monarch, Queen, and Soldier Butterflies. The Monarch butterfly in particular uses the cardenolides found in the milky sap of milkweeds to give an unpleasant taste to predators. These plants are also an important nectar source to all insects visiting your pollinator garden.

Close-up of flower of flowering dogwood (Cornus florida) in a wooded setting.

A Comprehensive Guide to Flowering Dogwood (Cornus florida)

Flowering Dogwood (Cornus florida) is a tree that is native to the south-central, mid-west, and eastern United States, and the province of Ontario in Canada. This plant is a host to the Spring Azure (Celastrina ladon), the Io Moth (Automeris io), and the Cecropia Moth (Hyalophora cecropia). Growing from 15 to 40 feet tall, this species has white, pink, green, to yellow flowers that bloom from March to May. It is hardy in zones 5-9.

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