Elaeagnus pungens is a plant of contradictions that the garden world has not fully resolved. Native to Asia, it was introduced broadly as an ornamental and a hedge plant, and on those terms it performs admirably: the glossy evergreen foliage, speckled beneath with silver scales and brown dots, holds through the hardest winters; the inconspicuous fall flowers are heavily fragrant; and the red fruits that follow bring songbirds reliably through the colder months. The long arching stems will hook onto neighboring plants and structures, effectively climbing where no true climber was intended, and the whole shrub develops quickly into a dense, impenetrable mass useful as a screen or barrier.

The problem is what happens beyond the garden boundary. Elaeagnus pungens is listed on the Non-Native Invasive Plants of Southern Forests and the Invasive Plant Atlas of the MidSouth, and for good reason: birds disperse the seeds freely, the plant tolerates shade that limits most invasives, and it forms dense thickets that displace native understory species with efficiency. It tolerates poor, infertile soils and fixes nitrogen, improving its own growing conditions at the expense of the plants it crowds out. The thorns are sharp and can cause injury during maintenance. For gardeners in zones 7 to 9 committed to ecologically responsible planting, native alternatives deserve priority consideration.