Primula denticulata
Primula
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Primula (Primula denticulata) - Description
Primula denticulata (drumstick primrose) is a species of flowering plant in the family Primulaceae, native to moist alpine regions of Asia, from Afghanistan to south eastern Tibet, Burma and China. It is an herbaceous perennial growing to 45 cm (18 in) tall and wide, with rosettes of oval leaves and sturdy stems bearing spherical umbels of purple flowers in late spring and early summer.
Primula (Primula denticulata) - Blooming
Clusters of flowers that are usually salverform. Many are early bloomers.
Primula (Primula denticulata) - Growth
Hardy and tender perennials. Rosettes of narrow to broadly rounded leaves. Primula is very diverse and includes many species with differing needs. Typically, Primroses grow well in regions with cool summers. Some alpine species may also require dry conditions during the winter. Primroses work well in the garden. Plant in bog sites, nearby a water source, in a rock garden, or in a border. Less hardy species should be grown indoors, in a cool or temperate greenhouse in containers, or as a houseplant. There are five major types of hybrids of Primula: Auricula, Candelabra, Acaulis, Polyanthus, and Juliana.
Primula (Primula denticulata) - Planting
Divide in spring or early summer, or sever individual offsets with a trowel or use seeds.
Primula (Primula denticulata) - Pest
Aphids, weevils, spider mites, and slugs. Primula is also prone to gray mold, root rot, leaf spots, rust, and viruses.
Primula (Primula denticulata) - Interesting facts
Half of the species of Primula are native to the Himalayas. The leaves, flowering stems, and calyces have an outer layer of white or yellow waxy meal.
Primula (Primula denticulata) - Soil and irrigation
Mostly need rich, evenly moist, well-drained soil. Water to keep soil moist.
