Septicweed

Senna occidentalis

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Senna
Species:
Senna occidentalis

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun, jul, aug, sep, oct, nov
Bloom Colors:
yellow

Native Range

United States: Alabama, Arkansas, Florida, Georgia, Guam, Hawaii, Iowa, Illinois, Indiana, Kansas, Louisiana, Massachusetts, Maryland, Missouri, Mississippi, North Carolina, New York, Oklahoma, Puerto Rico, Palau, South Carolina, Tennessee, Texas, Virginia, Virgin Islands

Host Plant for Caterpillars

Caribbean pod borer (Fundella pellucens), Pyroderces badia, Selenisa sueroides, Cloudless Sulphur (Phoebis sennae)

Soil Requirements

Soil Type:
well-drained, sandy to loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers disturbed areas and open spaces