Lorna Rhododendron (Rhododendron 'Lorna')

Lorna Rhododendron

Rhododendron 'Lorna'

Its ruffled pink blooms glow softly in spring, a romantic garden staple. Evergreen flowering shrub; common name: Lorna Rhododendron.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; tolerate partial shade, avoid harsh midday sun that can scorch leaves
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Watering Water deeply when the top 5cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Hardy to -10°C; protect new spring growth from late frosts and avoid prolonged exposure to temperatures above 28°C
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Characteristics

  • Leaf: Glossy, dark green elliptical leaves; evergreen, leathery texture
  • Flower: Clustered trusses of ruffled pink blooms with pale yellow throats
  • Stem: Woody, branching stems with smooth, light brown bark
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Care Guide

Watering

Keep soil consistently moist but not soggy to support blooming

Fertilization

Feed with acidic, slow-release fertilizer once monthly. Avoid high-nitrogen fertilizers that can damage shallow root systems

Composted pine needle tea:Steep fully composted pine needles in water for 24 hours; dilute 1:20 for root drench to maintain soil acidity without burning delicate roots
Pruning
  • Deadhead spent blooms immediately after flowering to encourage new bud formation for the next season
  • Thin overcrowded inner branches in late spring to improve airflow and reduce disease risk
  • Remove damaged, diseased, or crossing stems in early spring before new growth emerges
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to gastrointestinal distress and potential cardiac issues

Humans: Contains grayanotoxins; ingestion causes nausea, dizziness, and cardiac irregularities

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Garden Uses & Culture

Culture: Symbolizes romantic beauty paired with caution due to its toxic properties

Usage: Ornamental garden shrub; container plant for patios and shaded outdoor spaces