Heaven Scent Boronia (Boronia megastigma 'Heaven Scent')

Heaven Scent Boronia

Boronia megastigma 'Heaven Scent'

Crimson buds unfurl to honeyed star flowers, a fragrant gem of cool climates. Evergreen flowering shrub; common name: Brown Boronia.

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 summer sun to prevent leaf scorch
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Watering Water when the top 2–3 cm of soil dries completely; avoid waterlogging to prevent root rot
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Temperature Thrives in cool temperate conditions; protect from frost below 5°C and extreme heat above 28°C
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Characteristics

  • Leaf: Small, narrow, dark green leaves arranged in whorls along slender stems
  • Flower: Star-shaped, deep crimson buds opening to pale pink or white petals with intense honey-like fragrance
  • Stem: Slender, woody stems covered in fine, soft hairs
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Care Guide

Watering

Keep soil consistently moist but not soggy

Fertilization

Diluted balanced liquid feed every 2 weeks. Use a low-phosphorus fertilizer to support flowering without damaging root systems

Eggshell powder topdress:Sprinkle finely ground, dried eggshells on the soil surface every 3 months; avoid direct contact with stems to prevent fungal growth
Pruning
  • Prune lightly immediately after flowering to maintain compact shape and encourage new growth
  • Remove dead or damaged stems to improve airflow and reduce disease risk
  • Avoid heavy pruning as it may reduce flower production in the following season
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No documented toxicity to cats per ASPCA

Humans: No documented toxicity to humans per ASPCA and horticultural sources

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental fragrant shrub for garden borders, containers, or cut flower arrangements