- Site: It tolerates both moist and relatively dry conditions.
- Plant community: Associated vegetation of multiflora rose thickets is often limited to a few tree stems that have managed to overtop the rose before the thicket developed. I observed this plant in a mass grouping with full sun in competition with Oriental bittersweet.
- Invasive traits: This prolific seed producer can create extremely dense, impenetrable thickets that crowd out other vegetation and inhibit regrowth of native plants; continues to be spread with the help of birds
- Other: This is an aggressive, invasive plant that has thorns.