Chapman’s Sensitive Plant, Bahama Senna, Senna mexicana
Size at Maturity: Typically grows up to 2-4 feet tall and wide.
Bloom Season: Blooms from late spring to fall.
Native Status to Florida: Native to Florida.
pH Requirements: Prefers slightly acidic to neutral soil (pH 6.0-7.5).
Sun Exposure: Thrives in full sun to partial shade.
Salt Tolerance: Moderate salt tolerance.
Moisture Requirements: Prefers consistently moist, well-drained soil.
Wildlife Benefits: Attracts pollinators such as bees and butterflies with its nectar-rich flowers. Provides food for various caterpillars and host plant for certain butterfly species; including those of the Cloudless Sulphur (Phoebis sennae) and Sleepy Orange (Abaeis nicippe) butterflies.
Medicinal Uses: Senna mexicana has been used traditionally in herbal medicine as a laxative and for its purported anti-inflammatory properties.
Phenology: Produces clusters of bright yellow flowers followed by slender seed pods.
Considerations (if any): Some species of Senna can be toxic if ingested in large quantities; caution advised.
Recommended Landscape Uses: Butterfly gardens, naturalized areas, or as a specimen plant for its bright flowers.
Toxicity to Pets: Parts of the plant can be toxic if ingested; may cause gastrointestinal discomfort.