Description Caltha palustris ‘Plena’ is a cold-hardy, moisture-loving, marsh marigold ideally suited as a marginal water plant or areas of the garden with evenly moist to wet soils. Foliage is kidney-shaped, toothed and dark green. Waxy, yellow spring flowers are button-shaped and fully double. Very easy-care. Plants will reach 6-12 inches high 12-18 inches wide. Requires rich, moist soils that never dry out. Tolerant of clay. Adaptable to all but dry conditions. Use as an accent, pond edger, or in mass plantings as a ground cover in moist borders. Deer resistant. A northern hemisphere native that also calls BC home.
