Dimorphotheca pluvialis

Dimorphotheca pluvialis: The Delicate White African Daisy

Dimorphotheca pluvialis, commonly known as White African Daisy, Cape Marigold, Weather Prophet, Cape Rain-daisy, Ox-eye Daisy, Cape Daisy, or Rain Daisy, belongs to the Asteraceae family of plants. This charming species has captured the hearts of gardeners with its elegant blooms and vibrant colors.

Unveiling the Background and Discovery of Dimorphotheca pluvialis

Dimorphotheca is the former name for Osteospermum, but it now refers specifically to the annual species. Unlike Osteospermum, Dimorphotheca pluvialis exhibits a different color range, showcasing hues of white, cream, yellow, and orange. This captivating flower has gained several common names, including Rain Daisy and Weather Prophet, due to its unique behavior of closing its flowers at night, on cloudy days, or before the rain.

Native to South Africa and Namibia, Dimorphotheca pluvialis boasts narrow, sometimes toothed leaves. The plant was first discovered in its native regions, where it thrives in diverse habitats. To prolong the flowering season, it is recommended to deadhead the flowers by removing spent blooms.

Characteristics and Blooming Season

Dimorphotheca pluvialis is an annual plant that typically grows to a height of 8-12 inches (occasionally up to 16 inches). It features daisy-like flowers with white rays tinged with purple beneath and yellowish-brown center disks. These delightful blooms grace the landscape from summer to fall, particularly in cool summer climates. However, flowering may slow down in the hot and humid summers of regions like St. Louis. The mesmerizing phenomenon of the flowers close at night and in certain weather conditions adds an enchanting touch to this captivating plant.

Cultivating Dimorphotheca pluvialis:

To successfully cultivate Dimorphotheca pluvialis in your garden, follow these guidelines:

Sunlight: Dimorphotheca pluvialis thrives in full sun, although it can tolerate some shade. However, it is important to note that it may not flower as abundantly in shaded areas.

Watering: While Dimorphotheca pluvialis is drought-tolerant, it performs best with regular watering. It is recommended to water deeply and infrequently, allowing the soil to dry out between waterings.

Soil: This resilient plant does not have specific soil requirements but prefers well-drained soil. When planting in containers, use a potting mix specifically formulated for annuals.

Fertilizer: Dimorphotheca pluvialis does not require frequent fertilization. Applying a light dose of fertilizer in the spring can promote healthy growth.

Pests and Diseases: Keep an eye out for common pests such as aphids, spider mites, verticillium wilt, and powdery mildew. If any signs of infestation or disease appear, promptly treat them with appropriate insecticides or fungicides to preserve the plant’s health.


Dimorphotheca pluvialis can be propagated through both seeds and division. If using seeds, sow them in well-drained soil in the spring, and they should germinate within 2-4 weeks. For division, it is best to perform this process in the spring or fall, ensuring each division has 3-4 roots for successful growth.

With its delicate beauty and unique flower behavior, Dimorphotheca pluvialis is a captivating addition to any garden. Embrace the charm of this white African daisy and let its graceful blooms inspire joy and awe in your outdoor space. Dimorphotheca pluvialis is drought-resistant.

Dimorphotheca pluvialis
Cape Rain-daisy or Dimorphotheca pluvialis
Dimorphotheca pluvialis
Beautiful flowers of Dimorphotheca pluvialis
Dimorphotheca pluvialis
Dimorphotheca pluvialis

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