Sansevieria masoniana Chahin.
Mason's Congo, Whale Fin, Shark's Fin
Sansevieria masoniana is a semi-succulent plant with wonderful dark green leaves that have smudged light green spots and a unique purple-banded sheath. The leaves are up to 4 feet (1.2 m) long and 10 inches (25 cm) wide. If grown in bright light, the plant forms a stalk of white flower clusters that arise from the center of the plant.
USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
Place Sansevierias in moderately bright or filtered light. Good locations include a spot in front of a north-facing window or front of a bright, sunny window covered by a sheer curtain. Although the plant tolerates low light, bright light brings out the colors in the leaves. However, intense light may cause the edges of the leaves to turn yellow.
Allow the soil to dry completely before watering and then water deeply until water drips through the drainage hole. Allow the pot to drain, and then discard the water that remains in the saucer. Never allow the soil to become soggy, and never let the pot stand in water. Water sparingly throughout the winter. Like most succulent plants that store water in their leaves, Sansevieria rots quickly in excessively wet soil.
Place Sansevieria in average room temperatures. Protect the plant from drafts and cold temperatures as it is damaged below 50 °F (10 °C).
Feed the plant once every three weeks throughout the summer. Use a general-purpose fertilizer for houseplants diluted to one-half the strength suggested on the container. Sansevieria is a light feeder, and too much fertilizer makes the leaves fall over.
Learn more at How to Grow and Care for Sansevieria.
This species is native to central Africa.
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