Coffee Senna
Senna occidentalis
Found in disturbed places. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Not native to Mississippi. How scores work Is it native here?
Profile 82%
- Height
- 3–6 feet
- Spread
- 3–4 feet
- Light
- Full sun
- Soil moisture
- Usually moist

At a glance
- Life cycle
- Annual or perennial
- Bloom
- July to August
- Fruiting season
- August to November
Not yet recorded · Leaves
Recorded in 17 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
17CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · Cassia
- Phoebis sennaeCloudless Sulphur
- Abaeis mexicanaMexican Yellow, Wolf-Face Yellow
- Abaeis nicippeSleepy Orange, Sleepy Yellow, Erratic Orange
- Amyelois transitellaNavel Orangeworm
- Automeris ioIo Moth
- Choristoneura obsoletanaObsolete Leafroller
- Colias eurythemeOrange Sulphur, Alfalfa Butterfly
- Epargyreus clarusSilver-Spotted Skipper
- Eumarozia malachitanaSculptured Moth
- Eurema dairaBarred Yellow, Barred Sulphur
Show all 17
- Lesmone detrahensDetracted Owlet
- Platynota rostranaOmnivorous Platynota
- Pleuroprucha insulsariaCommon Tan Wave
- Pyrisitia lisaLittle Yellow, Little Sulphur, Lisa Yellow
- Selenisa sueroidesTailpipes, Pale-Edged Selenisa Moth
- Uresiphita reversalisGenista Caterpillar, Genista Cbroom Moth
- Zale lunataLunate Zale
2BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Cassia
- Pipilo maculatusSpotted Towhee
- Zonotrichia leucophrysWhite-crowned Sparrow
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
Plant details
- Family
- Fabaceae
- Hardiness
- Zones 9a–11b
- Soil pH
- Neutral to alkaline
- Flower color
- Yellow or orange
- Fruit begins
- August
- Fruit ends
- November
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Yellow or orange” · NC Extension Plant Toolbox
- Fruit begins · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 9a–11b” · NC Extension Plant Toolbox
- Height · “3–6 feet” · NC Extension Plant Toolbox
- Life cycle · “Annual or perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- Soil · “Moist” · NC Extension Plant Toolbox
- Soil pH · “Neutral to alkaline” · NC Extension Plant Toolbox
- Spread · “3–4 feet” · NC Extension Plant Toolbox
Also known as
Cassia occidentalis
Conservation status
| Mississippi rank | SNA |
|---|---|
| Global rank | GNR |
| MS status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- NatureServe Explorer
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- Mississippi occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

