Whale Fin Snake Plant (Sansevieria masoniana)

Whale Fin Snake Plant

Sansevieria masoniana

Its broad paddle leaves bring sculptural calm to interiors. Slow-growing succulent foliage plant; common name: shark fin snake plant.

Partial sun
1/week
Beginner
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Plant Needs

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Sunlight Bright indirect light is ideal; tolerates low light but will grow slower and produce less mottling
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Watering Allow the entire soil volume to dry completely between waterings to prevent root rot
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Temperature Thrives at 18–27℃; avoid temperatures below 10℃ to prevent leaf browning and tissue damage
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Characteristics

  • Leaf: Large, rigid paddle-shaped leaves with dark green base and light green mottling; rounded, thick apex
  • Stem: Short underground rhizome; no visible aboveground stem
  • Inflorescence: Tall upright spike with small, fragrant white flowers (rarely produced indoors)
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Care Guide

Watering

Water when the top 5–7 cm of soil is fully dry

Fertilization

Diluted balanced feed once every 2 months. Avoid fertilizing in autumn and winter to prevent nutrient buildup

Eggshell powder top-dress:Crush cleaned, dried eggshells into fine powder; dust lightly on soil surface and water in to release calcium gradually
Pruning
  • Remove yellowing or damaged leaves at the base using sterile shears
  • Trim overcrowded underground rhizomes during spring repotting to control spread
  • Avoid cutting healthy leaves, as they will not regrow from the cut end
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; saponins cause gastrointestinal distress and oral irritation

Humans: Contains saponins; ingestion causes oral irritation, nausea, or mild gastrointestinal upset

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Garden Uses & Culture

Culture: Symbolizes resilience and air purification; popular low-maintenance indoor decor plant

Usage: Indoor ornamental foliage; removes formaldehyde and benzene from indoor air