HomeRosin-WeedSilphium integrifolium$1.95PricePlant Height5-7'Plant Spread2-3'Flower ColorYellowBloom PeriodJun-JulCompanion PlantingsCompanion Plantings: Monarda fistulosa, Eryngium yuccifolium, Lespedeza capitata, Dalea purpureum, Vernonia gigantea, Echinacea purpureaSeed Cost Per Oz.$22.00