Lavender Star Flower (Grewia occidentalis)

Lavender Star Flower

Grewia occidentalis

Lavender star-shaped blooms glow softly against glossy foliage. Evergreen shrub; common names: crossberry, lavender star flower.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerate mild afternoon shade in hot, arid climates to prevent leaf scorch
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Watering Water deeply when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
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Temperature Thrives in 15–28°C; established plants tolerate light frost down to 5°C without severe damage
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Characteristics

  • Leaf: Opposite, ovate to elliptical, glossy dark green with serrated margins
  • Flower: Star-shaped pale lavender to purple blooms, 5 petals, clustered in leaf axils
  • Fruit: Fleshy, four-lobed cross-shaped berry (gives rise to "crossberry" common name)
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency during extended dry spells

Fertilization

Diluted balanced liquid feed once monthly. Discontinue fertilization in autumn and winter when growth slows

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid applying undiluted compost to prevent nutrient burn
Pruning
  • Prune lightly immediately after flowering to maintain compact, rounded shape
  • Remove dead, damaged, or overcrowded branches to improve airflow and light penetration
  • Trim back leggy stems in early spring to encourage dense new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no harmful effects for cats

Humans: Non-toxic to humans; no recorded adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden shrub; edible crossberry fruits attract birds and wildlife