Florist's daisy

Florist's daisy (lat. Chrysanthemum x morifolium) is a perennial herbaceous plant belonging to the Asteraceae family. It is a complex hybrid species that serves as the backbone of the global cut-flower industry and is widely valued for its remarkable diversity in petal shape, size, and vibrant color range.

Originating from East Asia, specifically China, this species has been cultivated for centuries. Today, it is grown globally in both outdoor fields and highly controlled greenhouse environments, where advanced light and temperature regulation allow for year-round production of high-quality blooms.

Botanically, the plant features a robust root system and upright stems covered with alternating, often lobed leaves. The inflorescence is a capitulum, which can vary from simple daisy-like shapes to complex, fully double, spherical forms. The species is highly responsive to day-length manipulation, which is a key tool in commercial forcing.

Cultivation requires well-drained, fertile substrate with a pH between 5.5 and 6.5. Successful production relies on precise water management and a balanced fertilization program. In greenhouse conditions, supplemental lighting is frequently used to ensure vigorous vegetative growth before inducing flowering through short-day treatments.

The crop is susceptible to various pests and diseases, including Botrytis, powdery mildew, and leaf spots. Common insect pests include aphids, spider mites, and leaf miners. Growers typically manage these through a combination of strict sanitation practices, biological control agents, and targeted chemical applications to maintain crop health.