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PlantSnap
Plant Care
Knight's star lily
(Hippeastrum vittatum)
Also Known As
Knight's star lily, Amaryllis, Naked lady, Belladonna lily
About This Plant
Hippeastrum vittatum is a bulbous plant species that produces showy, trumpet-shaped flowers in shades of red and white. The flowers are arranged in umbels on top of tall, sturdy stems that rise above the foliage. The leaves are long, narrow, and strap-shaped, and emerge from the base of the plant.
Plant Care Instructions
Outdoor Size Range
18-24 inches (46-61 cm)
Light Requirements
Hippeastrum vittatum prefers bright, indirect light. Direct sunlight can scorch the leaves and flowers.
Humidity Needs
This plant prefers moderate humidity levels, but can tolerate lower levels.
Fertilizing Schedule
Fertilize the plant every 2-3 weeks during the growing season with a balanced, water-soluble fertilizer.
Pruning Guidelines
Remove spent flowers and yellowing leaves as needed. Cut back the flower stalks after they have finished blooming.
Common Pests and Diseases
Common pests for Hippeastrum vittatum include spider mites, mealybugs, and aphids. Diseases such as bulb rot and leaf spot can also occur.
Indoor Size Range
12-24 inches (30-61 cm)
Watering Schedule
Water the plant deeply when the top inch of soil feels dry to the touch. Allow the soil to drain completely and never let the plant sit in standing water.
Temperature Range
Hippeastrum vittatum prefers temperatures between 60-75°F (15-24°C).
Growing Season
Hippeastrum vittatum blooms in the spring and summer.
Growing Difficulty Level
Hippeastrum vittatum is moderately difficult to grow, but with proper care can produce stunning blooms.
USDA Hardiness Zones
Hippeastrum vittatum is not cold hardy and should be grown as a houseplant or in a greenhouse. It is hardy in USDA zones 9-11.
Did You Know?
Hippeastrum vittatum is native to South America and is the national flower of Barbados.
