Primula japonica

Japanese Primrose

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Common Name:

Japanese Primrose

Plant Type:

Flower color:

Foliage color:

Green

Sun (From 0 to 5):

2

Water (From 0 to 5):

2

Maximum temperature:

30°C

Minimum temperature:

7°C

Maximum height:

45 cm

Maximum width:

45 cm

Japanese Primrose (Primula japonica) - Description

Primula japonica (common name Japanese primrose) is a species of flowering plant in the family Primulaceae, native to Japan. It is an herbaceous perennial growing to 45 cm (18 in) tall and broad, with clusters of purple flowers on erect stems, emerging from rosettes of leaves to 25 cm (10 in) long, in spring. The common name Japanese primrose also applies to the related species Primula sieboldii.

Japanese Primrose (Primula japonica) - Blooming

Clusters of flowers that are usually salverform. Many are early bloomers.

Japanese Primrose (Primula japonica) - 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.

Japanese Primrose (Primula japonica) - Planting

Divide in spring or early summer, or sever individual offsets with a trowel or use seeds.

Japanese Primrose (Primula japonica) - Pest

Aphids, weevils, spider mites, and slugs. Primula is also prone to gray mold, root rot, leaf spots, rust, and viruses.

Japanese Primrose (Primula japonica) - 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.