Autumn Twist Rhododendron (Rhododendron 'Conlep' Autumn Twist)

Autumn Twist Rhododendron

Rhododendron 'Conlep' Autumn Twist

Its bi-colored blooms twist between pink and white, a playful autumnal delight. Evergreen flowering shrub.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light or partial shade; avoid harsh midday direct sun which can scorch leaves
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Watering Keep soil consistently moist but not waterlogged; avoid allowing roots to sit in standing water
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Temperature Hardy to -15°C; tolerates cool to mild warm temperatures, avoid prolonged exposure to temperatures above 27°C
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Characteristics

  • Leaf: Glossy, dark green evergreen leaves, elliptical shape, 5–8 cm long, leathery texture
  • Flower: Trumpet-shaped bi-colored pink and white blooms with twisted petal edges, clustered in trusses of 8–12 flowers
  • Stem: Woody branching stems, light brown smooth bark when young, roughening with age
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Care Guide

Watering

Keep soil evenly moist; water deeply when top 2 cm of soil is dry

Fertilization

Diluted acidic fertilizer every 4 weeks. Avoid high-nitrogen feeds in late summer to prevent tender new growth from winter damage

Composted pine needle tea:Steep fully composted pine needles in water for 48 hours; dilute 1:20 for root drench to maintain soil acidity and provide mild nutrients
Pruning
  • Remove spent flower trusses after blooming to encourage new growth and maintain plant shape
  • Thin overcrowded branches in late winter to improve air circulation and reduce disease risk
  • Trim back leggy stems in early spring to preserve the compact mounding habit
  • Remove any dead, diseased, or damaged branches as needed throughout the year
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed toxic; contains grayanotoxins that can cause vomiting, diarrhea, lethargy, and potentially fatal cardiac arrhythmias

Humans: Ingestion of leaves, flowers, or nectar can cause gastrointestinal distress, weakness, and irregular heartbeat in humans

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Garden Uses & Culture

Culture: Symbolizes beauty and resilience in cool temperate landscapes

Usage: Ornamental garden shrub, container plant for patios and outdoor seating areas