About Betony 'Hummelo' Potted Betony Plant Hummelo Betony is a hairy semi-evergreen perennial with wrinkled ovated dark green basal foliage that slowly spreads to make a dense ground cover. Flower spikes packed with small two-lipped vivid purple flowers last throughout the summer. Deadheading may encourage a second bloom. Grows best with afternoon shade in southern climates and dry to medium well-drained soils. Drought tolerant. Type: Perennial Height: 1.5' - 2' Spread: 1.5’ - 2' Spacing: 1.5' USDA Hardiness Zone: 4 - 8 Culture: Full Sun, Part Sun Bloom Color: Purple Season of Interest: Summer, Year-Round MAINTENANCE NEEDS: Low Maintenance. Susceptible to leaf spot and root rot in humid areas or overly moist soils; do not overwater. It can be an aggressive spreader in ideal conditions.LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Woodland Gardens, Rock Gardens, Xeriscape, and Containers. COMPANION PLANTS: Periwinkle, Bugleweed, Sweet Woodruff IMAGE: SEWilco, Stachys monnieri betony MN 2007, CC BY-SA 3.0
