Restio Family (Restionaceae)

Restio Family

Restionaceae

Slender, grass-like stems bring textural elegance to damp gardens. Perennial rush-like family of flowering plants; common name: restio family.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Prefers bright, direct sun in mild climates; tolerates partial shade to avoid scorching in hot summer regions
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Watering Keep soil consistently moist; avoid prolonged drying out, as most species are adapted to damp habitats
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Temperature Hardy to mild frost (down to 5°C); thrives in cool temperate to Mediterranean climate conditions
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Characteristics

  • Leaf: Reduced to papery sheaths wrapping around stems; no true foliage leaves
  • Stem: Slender, cylindrical, evergreen, and photosynthetic to compensate for reduced leaves
  • Flower: Small, unisexual, clustered in spikelets; petals are inconspicuous and scale-like
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Care Guide

Watering

Maintain evenly moist soil; apply mulch to retain moisture and regulate soil temperature

Fertilization

Apply diluted balanced liquid feed once monthly. Use low-nitrogen feed to promote healthy stem growth without excessive foliage

Composted coffee grounds tea:Dilute fully composted coffee grounds 1:30 with water; apply as a root drench to avoid direct contact with stems
Pruning
  • Trim dead or yellowing stems at the base in early spring to encourage new growth
  • Thin overcrowded clumps every 2–3 years to improve airflow and reduce disease risk
  • Remove spent flower spikelets to maintain a tidy, uniform appearance
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA reports no toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental grass-like foliage for garden borders, water features, and container displays