Coffee Senna
Senna occidentalis
Found in disturbed places. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Florida. 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 55 Florida 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?
31CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Cassia
- Phoebis sennaeCloudless Sulphur
- Abaeis nicippeSleepy Orange, Sleepy Yellow, Erratic Orange
- Amyelois transitellaNavel Orangeworm
- Anabasis ochrodesmaCassia Webworm Moth
- Aphrissa statiraStatira Sulphur, Migrant Sulphur; Florida Statira Sulphur
- Ascalapha odorataBlack Witch
- Automeris ioIo Moth
- Choristoneura obsoletanaObsolete Leafroller
- Colias eurythemeOrange Sulphur, Alfalfa Butterfly
- Epargyreus clarusSilver-Spotted Skipper
Show all 31
- Erechthias minusculaCaribbean Scavenger Moth
- Eumarozia malachitanaSculptured Moth
- Eurema dairaBarred Yellow, Barred Sulphur
- Fundella pellucensCaribbean Podborer
- Hemiargus ceraunusCeraunus Blue, Antillean Blue
- Leptotes cassiusCassius Blue, Tropical Striped Blue
- Lesmone detrahensDetracted Owlet
- Phoebis agaritheLarge Orange Sulphur, Orange Giant Sulphur
- Phoebis phileaOrange-Barred Sulphur
- Platynota rostranaOmnivorous Platynota
- Pleuroprucha insulsariaCommon Tan Wave
- Psamatodes abydataDot-Lined Angle
- Pyrisitia lisaLittle Yellow, Little Sulphur, Lisa Yellow
- Pyrisitia niseMimosa Yellow, Blacktip Sulphur, Jamaican Sulphur
- Selenisa sueroidesTailpipes, Pale-Edged Selenisa Moth
- Thysania zenobiaOwl Moth
- Trichordestra legitimaStriped Garden Caterpillar Moth
- Uresiphita reversalisGenista Caterpillar, Genista Cbroom Moth
- Zale lunataLunate Zale
- Anypsipyla univitella
- Lesmone formularis
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” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Yellow or orange” · NC Extension Plant Toolbox
- Fruit begins · “August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Fruit ends · “November” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · 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
| Florida rank | SNA |
|---|---|
| Global rank | GNR |
| FL status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Atlas of Florida Plants
- USDA PLANTS
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: Florida (Weakley), phone app (app page)
- NatureServe Explorer
- 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

