| Leptinella squalida 'Platt's Black'
Common Name: 'Platt's Black' Brass Buttons, brass button, Black Brass Buttons; formerly known as Cotula squalida and by the common name creeping cotula
Zones 5 to 10, perhaps 4, Evergreen in USDA Zones 9-10.
Full sun to part shade.
Plants form a one to two inch flat carpeting perennial;
Growth rate: Fast; runners form a rugged carpet of green.
Tiny fern-like textured foliage is tinged black and button-shape, black leaves form a spreading mat that tolerates some foot traffic. Bronze to dark gold flowers bloom in early summer, and develop into tiny fruit.
Leptinella squalida grows in average, medium moisture, well-drained soil, but prefers acidic, organically rich loams. Tolerant of light shade, especially in hot summer climates, 'Platt's Black' Brass Buttons is intolerant of drought.
Excellent as a border plant, container, edging, ground cover, mass plantings, and between stepping stones. Used as a turf substitute, particularly in areas where plants are evergreen.