Crystal-Like Foliage
Features fleshy green leaves covered with sparkling bladder cells that create a frosted appearance.
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Iceplant (Mesembryanthemum crystallinum) is a unique succulent flowering plant known for its fleshy leaves covered with sparkling, crystal-like water vesicles. Its distinctive appearance and delicate white to pale pink flowers make it an attractive addition to rock gardens, borders, and containers. This drought-tolerant plant grows well in sunny locations with sandy, well-drained soil.
Features fleshy green leaves covered with sparkling bladder cells that create a frosted appearance.
Produces small white to pale pink flowers that add seasonal ornamental interest.
Develops thick, water-storing leaves that help the plant tolerate periods of limited moisture.
Spreads along the ground and works well in rock gardens, borders, and suitable containers.
| Scientific Name | Mesembryanthemum crystallinum |
| Common Name | Iceplant; Crystal Iceplant; Common Ice Plant |
| Plant Family | Aizoaceae |
| Seed Type | Flower Seeds |
| Plant Type | Succulent Annual or Short-Lived Perennial, Depending on Climate |
| Growth Habit | Low-growing, spreading, and branching |
| Flower Color | White to pale pink |
| Foliage | Fleshy green leaves with crystal-like bladder cells |
| USDA Hardiness Zones | Generally grown as an annual in cooler climates; perennial in mild, frost-free regions |
| Planting Season | Spring after frost danger has passed |
| Germination Time | Approximately 7–21 days under suitable conditions |
| Germination Temperature | Approximately 65–75°F (18–24°C) |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Sandy, gritty, well-drained soil |
| Watering | Moderate watering during establishment; avoid excessive moisture |
| Mature Height | Approximately 4–8 inches |
| Plant Spacing | Approximately 8–12 inches, depending on growing conditions |
| Uses | Rock Gardens, Ground Cover, Containers, and Ornamental Borders |
Grow Iceplant for its unusual crystal-like foliage and delicate seasonal flowers. Its spreading growth habit and succulent leaves make it an interesting choice for rock gardens, containers, and ornamental landscapes. Provide plenty of light and well-drained soil for healthy plant development.
Find helpful information about Iceplant seed germination, its distinctive foliage, and growing requirements.
Mesembryanthemum crystallinum has specialized bladder cells on its leaves and stems that store water and create a sparkling, ice-covered appearance. These distinctive structures are responsible for its common name, Crystal Iceplant. They are a natural feature of the plant rather than frost or mineral deposits.
Sow Iceplant seeds on the surface of a well-drained growing medium or cover them very lightly. Keep the soil lightly moist during germination and provide temperatures around 65–75°F (18–24°C). Place seedlings in a bright location and avoid excessive watering. Germination commonly takes about 7–21 days under suitable conditions.
Mesembryanthemum crystallinum has a history of culinary use in some regions, where its fleshy leaves are traditionally eaten as a vegetable. However, plants sold as ornamental seeds should not automatically be considered food crops. Confirm the species identity, growing conditions, and food-safe cultivation practices before using any part of the plant as food.