Aristolochia tomentosa (Woolly Pipevine)
Also known as Pipevine, Woolly Dutchman's Pipe Dutchman's Pipevine, Common Dutchman's Pipe. A vigorous, twining perennial vine with large, heart-shaped leaves covered in soft woolly hairs on both sides — giving the foliage a distinctive grayish-green, velvety texture. Features interesting, yellowish-green, pipe-shaped flowers which are typically hidden by foliage The blooms release a faint odor that draws in pollinating flies and gnats. Woolly Dutchman's Pipe is a larval host plant for the Pipevine Swallowtail butterfly — caterpillars may strip the foliage completely, but plant recovers quickly. Train it up a trellis, porch post, or fence, where it can climb 20–30 ft. It needs consistent moisture and does not tolerate dry soil, making it a natural fit for moist, part-shade spots along stream banks, in bottomland woods, or other riparian garden settings. AT A GLANCE Texas native Yes Water use Medium Sun exposure Part sun to part shade Bloom color Yellow, green, purple Bloom time Spring Mature height 20-30 ft Mature width 5-10 ft Attracts Butterflies Host plant Pipevine Swallowtail butterfly Poisonous Toxic if ingested. DISTRIBUTION MAPS USDA MAP BONAP MAP Present in state Present in county and native Native to North America, but adventive & escaped in state Not present in state Present and rare, native in county Previously present, now extinct Questionable presence (cross-hatched, regardless of color)