Buy Flowers › Verbascum roripifolium - 4" Pot Verbascum roripifolium - 4" Pot $6.50 Ruffled basal foliage, open airy bright yellow blooms, one of my favorite plants, annual/biennial zone 5-9, Add To Cart Added! Ruffled basal foliage, open airy bright yellow blooms, one of my favorite plants, annual/biennial zone 5-9,