Earthcare Seeds Rue 150 Seeds (Ruta Graveolens) No GMO Seeds. Earthcare Seeds Brand hand packed in the USA by Earthcare Seeds. Ships from Idaho USA Fragrant Evergreen Perennial Herb with Attractive Bluish Green Foliage and Yellow Flowers Cold Hardy, Heat and Drought Tolerant, Suitable for Zones 4-9 Host Plant for Swallowtail Butterflies Caution! Handle Rue with care, not beneficial to pregnant women, can cause skin irritation, toxic if ingested,