Dimorphotheca Also called cape daisy (Dimorphotheca) Three- to 4-inch, daisy-like blossoms on plants 1 foot tall. White, yellow, salmon, rose, bicolors. All shaded blue on underside. Soil and Light Well-drained soil kept dry. Full sun. Planting Start 5 weeks early indoors, or sow outdoors after frost danger. In warm climates, sow in fall. Comments Colorful. Flowers close up at night. Thrives on heat.