Coca Plant (Erythroxylum coca) Tena Adam Rue. The rue plant (Ruta graveolens), also known as Ave grace, garden rue and herb of grace, is part of the Rutacaea plant family. Rue is a perennial herb or Are Your Plants Bolting? Here's What That Means & What to Do Gardenary Trees: Peanut Butter Tree Henry E. Hooper Best Low Light Indoor Plants Shade Tolerant The Sill With many gardeners prepping for indoor seed starting, as well as outdoor sowing, I thought it would be helpful to share a couple of tips on how deep to sow seeds. To do that, Ive teamed up with the