Giant Milkweed - Calotropis gigantea, non-native
Status in Florida: Naturalized, non-native
•Size at Maturity: Giant Milkweed is a large, shrubby perennial plant that can reach heights of up to 10 feet tall with a spread of 6 to 8 feet wide.
•Phenology: Giant Milkweed produces clusters of large, showy, white or lavender flowers with a unique star-like shape.
•Life Cycle: Perennial
•Bloom Season: Giant Milkweed typically blooms from late spring to early fall, with peak bloom occurring in summer.
•Deciduous, Dioecious, Evergreen: Evergreen
•Sunlight Requirements: Full sun
•Soil Texture: Well-drained, sandy or loamy soil; Giant Milkweed is tolerant of a wide range of soil types but prefers good drainage.
•Soil pH: Tolerant of a wide range, but prefers slightly acidic to neutral (pH 6.0-7.0)
•Moisture Requirements: Moderate moisture; Giant Milkweed prefers evenly moist soil but can tolerate brief periods of drought once established.
•Tolerance to Salt Spray: Low tolerance
•Recommended Landscape Uses: Giant Milkweed is commonly used as an ornamental plant in tropical and subtropical landscapes. It can be planted as a specimen plant or used in mixed borders for its large, attractive flowers and foliage.
•Maintenance Tips: Giant Milkweed requires little maintenance once established. Remove spent flowers to encourage continued blooming and prune back any dead or damaged growth as needed.
•Considerations: Giant Milkweed is valued for its large, showy flowers and tropical appearance. It may self-seed and spread in favorable growing conditions. Host plant for monarch, queen and soldier butterflies.
•Deer and/or Rabbit Resistance: Moderately resistant; deer and rabbits may occasionally browse on Giant Milkweed foliage, but it is not typically preferred by these animals.
•Edible: Giant Milkweed is not typically consumed by humans and is not considered edible.
•Medicinal Uses: In some cultures, various parts of Giant Milkweed have been used for medicinal purposes, but it is not widely recognized as a medicinal plant.
•Toxicity to Pets: Giant Milkweed is toxic if ingested and can cause gastrointestinal distress in pets.