Riverdene Garden Centre

Lotus Moon Pearlbush

Name: Lotus Moon Pearlbush
Brand: Riverdene Garden Centre
Price: 35.00 CAD
Availability: InStock

$35.00 CAD

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Lotus Moon™ Pearlbush — Care & Culture

Botanical Name: Exochorda × macrantha ‘Bailmoon’ — marketed as Lotus Moon™ Pearlbush.
Hardiness Zones: Zones 3 to 7 (i.e. cold-tolerant to about –30 °C / –20 °F)
Mature Size: Typically 4–5 ft tall × 3–4 ft wide (some sources say up to ~5 ft square)
Habit / Form: Upright, mounded, somewhat compact shrub.
Flowers / Bloom Time:
• Before leaf-out in spring, produces white flowers that emerge from round, pearl-like buds (hence “pearlbush”)
• Blooms on last year’s growth (old wood), so pruning must be timed accordingly.
Foliage: Bright to medium green during the growing season.
Other Traits:
• Deer resistance cited.
• Low maintenance in ideal conditions.
• Drought tolerant once established (with average water) but prefers consistent soil moisture during establishment.

Sun Exposure: Full sun to part sun. For best flowering, provide at least ~6 hours of direct sun.
Soil:
• Well-draining soil is critical. Avoid poorly drained or waterlogged soils.
• Slightly acidic to neutral preferred, but cultivar is tolerant of a range of soils if drainage is good.
Planting Depth: Make sure the crown (stem base / root flare) is at or slightly above soil level. If planted too low, rot may occur; too high, it may dry out.
Spacing: Allow enough space for mature spread—3 to 4 ft apart is common.
Wind & Shelter: In cold or windy sites, shelter from harsh winter winds may reduce desiccation stress.

Establishment Phase: Keep soil evenly moist (but not soggy) during the first 1–2 seasons to support root development.
After Establishment: More drought-tolerant, but best performance when soil moisture is maintained during extended dry periods.
Mulch: Apply a 2–3 in layer of organic mulch around the base (leaving a gap near the stem) to conserve moisture, moderate soil temperature, and suppress weeds.

Apply a balanced, slow-release shrub or perennial fertilizer in early spring before new growth begins.
Do not over-fertilize with high nitrogen; that may push weak growth and reduce flowering potential.

When to Prune: Immediately after flowering in spring (once blooms fade), because it blooms on old wood.
How to Prune:
• Remove dead, damaged, or weak wood.
• Thin interior branches to improve light and airflow.
• To rejuvenate, you can cut back up to one-third of older stems to the ground to encourage new growth. Exochorda types tolerate this.
• Avoid heavy pruning late in season (after new shoots form) — it may reduce blooms the next year.

Exochorda / pearlbushes are generally fairly resistant to serious disease, but issues can arise, especially if conditions are unfavorable.
Common Issues:
• Branch dieback in overly wet or poorly drained soils
• Occasional fungal leaf spot in humid, damp conditions
• Monitor for general shrub pests (aphids, scale)
Good cultural practices—proper soil, airflow, avoiding overhead watering—help reduce disease risk.

Very cold-hardy (zone 3 class) — suitable even for harsh climate regions.
In exposed sites, new plantings may benefit from windbreak or partial wind protection to reduce winter desiccation.
A layer of mulch in late fall helps buffer root zone temperature fluctuations.

Specimen or Focal Shrub: The abundant white blooms make it an early focal point in spring gardens.
Mixed Borders / Shrub Beds: Planted with later bloomers to extend interest—after its spring show fades, companion shrubs or perennials can take center stage.
Accent in Smaller Gardens: Its modest mature size makes it suitable for compact landscapes.
Cut Branches: The long-stemmed, showy blooms are often good for cutting and using in arrangements.
Attracts Pollinators: Early flowers help nourish early butterflies and pollinators.