The Theves Poplar, 'Populus nigra "Afghanica", is fast growing and very upright. The Theves Poplar is used for borders and screens. It is longer lived than the Lombardy Poplar. The columnar or spire-like form is often recommended for screens. The bark of older trunks is nearly white. The leaves are triangular-ovate and deep green in color. It is good in lawns where a narrow tree is needed. For screening plant 10 to 15’ apart in the row. These deciduous trees have moderate to high water requirements, and is moderate in its tolerance to salt and alkali.