Japanese Primrose "Miller's Crimson"

Multi Buy

Size Guide
3.5
3.5" Perennial
3 or more $6.00 ea
Regularly: $6.99 ea

Japanese Primrose "Miller's Crimson"

Scott's Nursery Ltd.

$6.99
Title

Transport your backyard into a breathtaking, fairytale woodland sanctuary with this regal showstopper! Highly celebrated for its architectural drama, this prize-winning perennial commands attention as stout, majestic stalks emerge from the ground, holding perfectly spaced, multi-tiered candelabra rings of flowers. Each structural tier explodes with up to twenty-five brilliant, jewel-toned crimson-red star blossoms centred by a rich, dark eye. The fiery, saturated towers rise gracefully above a lush, ground-hugging rosette of deeply crinkled, lettuce-like pale green leaves, injecting a magnificent sense of luxury into shady garden corners.
Size

Visit Us

Delivery

Warranty

Plant Details

Mature Size:

18" H x 18" W

Zone:

3-8

Watering:

High

Type:

Hardy Deciduous Perennial

Growth Rate:

Moderate - Fast

Light:

Full Shade/Part Shade

Plant Profile

Common Names:

Miller's Crimson Candelabra Primrose, Japanese Primrose, Japanese Cowslip, Candelabra Primula

Scientific Name:

Primula japonica 'Miller's Crimson'

Type:

Thriller / Architectural Perennial / Moisture-Loving Bog Plant

Growth Details:

Mature Size: 45 cm Height (with flower spikes) x 30–45 cm Spread (approx. 18" H x 12–18" W).

Growth Habit: Rosette-forming foliage base with tall, erect flowering stalks.

Form: Upright, tiered architectural spikes arising from a low, mounded canopy.

Growth Rate: Medium to fast; naturally expands into impressive, long-lived clumps.

Flowering: Five to twenty-five star-shaped blossoms arranged in 1 to 6 symmetrical, tiered circular whorls per stem.

Flowering Time: Late spring to early summer.

Flower Colour: Deep, vivid crimson-red with a dark red central eye.

Environmental Needs:

Exposure: Partial shade to heavy open shade (must be shielded from intense, direct afternoon sun).

Soil Preferences: Deep, rich, humusy loam mixed with organic leaf mould or compost.

Soil Tolerance: Highly tolerant of wet soils, heavy muck, boggy conditions, and heavy clay—provided the spot is consistently damp. It will not tolerate hot, dry, sandy, or baked earth.

Watering: High; demands constant moisture and flourishes in soil that stays wet.

Container Role: Acts as an exotic, tall "Thriller" when placed in water-retentive mixed patio pots or bog planters.

Special Features:

Recipient of the prestigious Royal Horticultural Society (RHS) Award of Garden Merit for its superior garden reliability. It is highly deer resistant, rabbit resistant, tolerates seasonal flooding, and effectively self-seeds in wet spots.
Care Guide

Ornamental & Landscape Value

Seasonal Interest:

Bloom Information: Highly showy, multi-tiered red candelabras that flower sequentially from the bottom ring upward, extending the blooming display for weeks.

Fall/Winter Colour: Leaves stay fresh and green through summer. The plant goes completely dormant in winter, naturally dying back to the ground before returning with renewed vigour in spring.

Garden Value:

An elite addition for decorating low-lying bog gardens, wet stream beds, natural pond edges, and damp woodland borders. It provides unique structural height and intense colour contrast when planted in large groups beneath shade-loving trees. The stately, rigid flowering stalks are also excellent when cut for elegant, vertical vase arrangements.

Wildlife & Human Value:

Wildlife Value: The early summer flower rings provide a valuable nectar source for hummingbirds, honeybees, and beneficial woodland pollinators.

Human Value: A primary solution for wet, problematic backyard bogs where traditional plants fail; adds immense structural elegance and a professional botanical garden look to shade designs.

Planting & Care Guide

Planting Considerations:

Best Time To Plant: Early spring or early autumn when the soil is naturally cool and wet.

Spacing: Space individual plants 12 to 15 inches (30 to 38 cm) apart. They will readily self-sow to fill empty spaces and form breathtaking, solid drifts over time.

Location Tips: Select poorly drained garden depressions, pond edges, or damp woodland floors. Avoid any windy or exposed areas that speed up evaporation or dry out the large leaves.

Companion Plants: Complements the elegant fronds of Ostrich Ferns, blue-leaved Hostas, Astilbe, and golden Japanese Forest Grass (Hakonechloa macra).

Care:

Plant in a sheltered location that provides cool, dappled morning sun and reliable afternoon shade. This water-loving variety requires consistently damp, rich soil to thrive; do not let the roots dry out. Apply a generous layer of organic leaf mulch around the base annually to maintain high root moisture levels and cool soil temperatures. Side-dress with a mild organic compost or a balanced slow-release fertilizer in early spring.

Tolerances:

Deer, rabbits, heavy clay, waterlogged or saturated ground, and deep shade.

Tips For Success:

Core Maintenance: Never let the soil dry out, especially during hot mid-summer spells. If planted away from a pond or stream, water deeply and frequently.

Pruning: Leave the spent flower heads intact if you want the plant to drop seeds and spread naturally into a colony. If you wish to limit spreading, snip the flower stalks down to the base right after the summer bloom finishes.

Winter Protection: No cold protection is necessary in cold zones, but clear away old, collapsed leaves in late fall to maintain good air circulation over the crown.
Fruit Profile