Photo of Carolina larkspur plants with flowers

    Carolina Larkspur (Prairie Larkspur)

    Delphinium carolinianum
    Poisonous Icon

    Poisonous

    Photo of foxglove beardtongue flowers

    Foxglove Beardtongue

    Penstemon digitalis
    Photo of Indian paintbrush flowers

    Indian Paintbrush

    Castilleja coccinea
    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of moth mullein flowers

    Moth Mullein

    Verbascum blattaria
    Photo of mullein basal leaves

    Mullein

    Verbascum thapsus
    Photo of viper’s bugloss, closeup of flower

    Viper's Bugloss

    Echium vulgare
    Photo of wood betony plants with flowers

    Wood Betony (Common Lousewort)

    Pedicularis canadensis