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Japanese-primrose

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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.

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Japanese Primrose   (Primula japonica)

Candelabra Primrose

Primroses are low-growing herbs with vibrant flowers that come in many colors and patterns.

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Plant Types: Interior Plant, Perennial
Light: Shade to Partial Sun
Height: 1 foot to 1 foot 6 inches
Width: 1 foot to 1 foot 6 inches
Zones: 4a to 8b
Bloom Color: Pink, Purple, Red, White
Bloom Seasons: Early summer, Mid summer, Late summer
Leaf Color: Green
Special Features: All or parts of this plant are poisonous, Deer resistant, Grows submerged, Naturalizing, Not North American native
Shape: Rounded
Fertilizer: Miracle-Gro® Nursery Select Miracid® Water Soluble Plant Food, Miracle-Gro® Water Soluble All Purpose Plant Food
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Plant Care
Planting:

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

Plant 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.

Blooming:

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

Soil and Irrigation:

Mostly need rich, evenly moist, well-drained soil. Water to keep soil moist.

Fertilization:

If grown in a cool greenhouse or as a houseplant, implement a half-strength, balanced liquid fertilizer once a week during the growing season.

Pests:

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