Submissively aggressive, the Obedient Plant (Physostegia virginiana), has several heavy-duty survival traits. This perennial is quick to spread in the garden, yearly claiming wider and wider territories. If that trait is not enough for its survival, each flower has the ability to move around its base stem when brushed. Passersby, accidently too close, will not harm the flower, ensuring the plants ability to be a prolific seed producer, ensuring future new plants. Try it, the next time you encounter Obedient Plant; see how easy it is to move the location of the flowers around its base!