Primula Species, Orchid Primrose, Poker Primrose, Vial’s Primrose
Primulavialii

Family: Primulaceae Genus: Primula (PRIM-yew-luh)
Species: vialii (vy-AL-ee-eye)

Synonym:Aleuritia vialii

Synonym:Primula littoniana

Synonym:Primula littoniana var. robusta

Category

Perennials

Water Requirements

Requires consistently moist soil; do not let dry out between waterings

Sun Exposure

Light Shade

Foliage

Deciduous

Foliage Color

Unknown

Height

12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing

9-12 in. (22-30 cm)

Hardiness

USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow

Grow outdoors year-round in hardiness zone
Can be grown as an annual

Danger

Handling plant may cause skin irritation or allergic reaction

Bloom Color

Lavender

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer

Other details

Unknown

Soil pH requirements

5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Non-patented

Propagation Methods

By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting

Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible