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Dimorphotheca sinuata

Dimorphotheca sinuata · Asteraceae

The gardener's calendar

The right move for September

Ideal time to plant dimorphotheca sinuata: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Common name
Cape Marigold, African Daisy
Foliage
Deciduous
Blooming
Spring to summer (March-September)
Adult size
30-50 cm in height
Growth
Fast
Hardiness
Tender (0-5 °C)
Exposure
Full sun
Origin
South Africa

Care

Exposure

Place your Dimorphotheca in full sun, for a minimum of 6 hours per day, to guarantee generous blooming and beautiful flower coloration. In partial shade, the plant often becomes sparse and produces fewer flowers. Protect it from strong winds that can damage the stems and delicate petals.

Watering

Water regularly but moderately, keeping the soil moist without excess humidity. During the summer period, increase watering frequency if the soil dries out quickly. Reduce water supply at the end of the season. Avoid wetting the foliage to prevent fungal diseases.

Soil

Prefer well-draining, light and slightly fertile soil. A substrate that is too rich promotes foliage at the expense of flowers. Adding sand or flowering plant potting mix improves drainage. Avoid heavy and clay soils that retain moisture.

Fertilizer

Apply low-nitrogen fertilizer once or twice a month during blooming. Excess rich fertilizer causes excessive foliage development at the expense of flowers. Prefer a balanced fertilizer for flowering plants or dilute it further.

Pruning and maintenance

Pinch young shoots to encourage dense and compact branching. Regularly remove spent flowers to extend blooming. At the end of the season, lightly cut back the plant to aerate it. Clean up dead or diseased leaves that accumulate at the base.

Diseases and pests

Watch for powdery mildew or root rot in case of excess moisture. Spider mites can affect the plant in dry, hot environments. Ventilate regularly and maintain foliage hygiene. Treat any infestation promptly by isolating the plant if necessary.

Did you know?

Dimorphotheca sinuata owes its name to the particularity of its flowers which have two different forms of florets: the flowers of the central disk are tubular while those on the periphery are ligulate. Nicknamed the "African Daisy", it was already being cultivated in Western gardens in the 19th century for its undeniable spring beauty and its generous temperament as an ornamental plant.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.