Structure: Erect, mostly simple; pubescence soft.
Life Cycle: Perennial. Reproduces from rhizomes and seeds.
Leaves: Opposite; blades simple, oblong to broadly ovate, tip rounded and with a small point, margins entire, surfaces pubescent.
Flowers: Pink or rose to purple, rarely white or greenish-white, fragrant; corolla lobes eliptic-lanceolate; flower hoods are horn-like.
Roots: Fibrous, shallow.
1 pint of Tordon® 22K herbicide plus 1 lb active ingredient 2,4-D per acre plus surfactant; OR
3-4 pints/acre of PastureGard® herbicide.
Must be applied after emergence and before fall color shows.