Photo of common milkweed flower cluster

    Common Milkweed

    Asclepias syriaca
    Photo of common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Photo of corn salad plant flower clusters showing arrangement of buds.

    Corn Salad

    Valerianella radiata
    fork and knife icon

    Edible

    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Photo of long-leaved bluets plants with flowers

    Long-Leaved Bluets (Slender-Leaved Bluets)

    Houstonia longifolia (sometimes Hedyotis longifolia)
    Photo of Mead's milkweed flower cluster and upper stem leaves

    Mead’s Milkweed

    Asclepias meadii
    exclamation mark

    Endangered

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of Ohio horsemint inflorescence

    Ohio Horsemint

    Blephilia ciliata
    fork and knife icon

    Edible

    Photo of purple milkweed flower cluster

    Purple Milkweed

    Asclepias purpurascens
    Photo of a rose gentian flower, closeup

    Rose Gentian (Rose Pink)

    Sabatia angularis
    Photo of self-heal flower head

    Self-Heal (Heal-All)

    Prunella vulgaris
    fork and knife icon

    Edible

    Photo of slender mountain mint flowers

    Slender Mountain Mint

    Pycnanthemum tenuifolium
    fork and knife icon

    Edible

    Photo of swamp milkweed, three plants with flower clusters.

    Swamp Milkweed

    Asclepias incarnata
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous

    Photo of wild four-o'clock flower

    Wild Four-O’Clock

    Mirabilis nyctaginea
    Poisonous Icon

    Poisonous