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Glendale Public Library
Xeriscape Demonstration Garden Information Sheet

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Manfreda maculosa-Texas Tuberose

  Ever since you were a kid, you've probably dreamed about finding a cool plant with purple polka-dots. Manfreda maculosa will fulfill your fantasy! This unusual member of the amaryllis family has linear, fleshy, unarmed green leaves that are decorated with purple spots. Texas tuberose has a symmetrical form similar to an agave, and sends up tall flower spikes in the summer. The individual flowers start off creamy white, aging to a light purple color. Hummingbirds are attracted to the tubular blossoms. It can be planted in containers, or in the ground. Individual plants grow to about one foot tall and wide, but form clumps quite rapidly. In fact, it could be planted at 2-foot intervals to form a unique and hardy groundcover. Texas tuberose is a very versatile and adaptable plant. It grows in clay or rocky soils, handles either high or low amounts of irrigation, and thrives in full sun to full shade exposures. However, the purple spots are more pronounced in sunny locations. In the winter, the leaves will probably burn back to the ground, but new foliage is produced in the spring from the underground tuber. Test plants in Denver have recovered from temperatures as low as 10 F. USDA Zone 8.

Webmaster & Author George Hull Last Updated August 13, 2003