Oriental Borage (Trachystemon orientalis)

Oriental Borage

Trachystemon orientalis

Fuzzy silver leaves carry soft blue blooms, a low-growing groundcover with old-world charm. Herbaceous perennial.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in partial to full shade; avoid intense midday direct sun to prevent leaf scorch
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Watering Keep soil evenly moist but not waterlogged; mulch to retain moisture during dry spells
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Temperature Hardy to -15°C; tolerates cool temperate winters and mild summer heat
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Characteristics

  • Leaf: Large, heart-shaped, silvery-fuzzy foliage with prominent veins
  • Flower: Small, star-shaped blue blooms in drooping terminal clusters
  • Stem: Hairy, trailing or upright stems that spread via rhizomes
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Care Guide

Watering

Maintain consistent soil moisture; water deeply when top 2 cm of soil dries

Fertilization

Apply diluted balanced organic feed once monthly. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Banana peel tea:Steep 2-3 chopped banana peels in 1 liter of water for 3 days; dilute 1:10 before applying as a root drench
Pruning
  • Remove faded flower stems after blooming to maintain a tidy appearance
  • Thin overcrowded clumps in early spring to improve airflow
  • Cut back dead foliage in late winter to make way for new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No listed toxicity to cats per ASPCA

Humans: No documented toxicity to humans per authoritative sources

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Garden Uses & Culture

Culture: N/A

Usage: Shaded groundcover, woodland garden accent, pollinator-friendly nectar source