Cassia Splendida

Plant name: Cassia Splendida

Scientific name: Senna splendida (syn. Cassia splendida)

Plant description: Cassia Splendida is a fast-growing, flowering shrub known for its airy form and vibrant seasonal color. This tropical to subtropical plant develops an upright, branching structure that fills garden spaces with soft texture and movement. Its rapid growth and abundant flowering make it a strong choice for adding height and visual interest to mixed borders and pollinator-friendly landscapes.

Flower description: Bright golden-yellow blooms appear in clusters along the stems, creating a luminous display during the blooming season. Each flower features rounded petals with a soft, open form that contrasts beautifully with the fine-textured foliage. The blossoms are attractive to pollinators and provide a bold splash of color against green backgrounds.

Leaf description: Leaves are pinnate and finely divided, giving the plant a light, feathery appearance. The foliage is medium green and moves gently in the breeze, adding softness to structured plantings.

Deciduous or evergreen: Semi-evergreen to deciduous depending on temperature and seasonal conditions.

USDA grow zones: 9–11

Mature height and width: Typically grows 6–10 feet tall and 4–6 feet wide, forming a loose, upright shrub.

Landscape uses: Suitable for flowering hedges, background plantings, pollinator gardens, and naturalistic borders. Works well as a seasonal accent in warm-climate landscapes or as a focal shrub in sunny spaces.

Native range: Native to parts of South America.

Sun exposure: Full sun for best flowering and compact growth.

Water requirements: Moderate water needs. Provide regular moisture during establishment, then water when soil begins to dry. Well-drained soil supports strong root health.

Pests and problems: Generally resilient, though caterpillars or aphids may occasionally appear on new growth. Poor drainage can lead to root stress. Light pruning may be needed to maintain shape and encourage branching.

Heat and sun tolerance: Handles strong heat and bright sunlight once established, maintaining steady flowering through warm conditions. Cold tolerance: Sensitive to frost; foliage and stems may be damaged by freezing temperatures, though plants can recover in mild climates.

Growing tips: Plant Cassia Splendida in a location with good airflow and ample sunlight to promote sturdy stems and abundant blooms. Prune lightly after flowering to encourage denser growth and maintain a manageable size. Avoid excessive fertilization, which can lead to rapid, weak growth. Mulch lightly to help retain moisture while ensuring the soil remains well drained for optimal performance.

---SHIPPING NOTICE PLEASE READ BEFORE PURCHASING LIVE PLANTS!---

 We WILL NOT refund the purchase of or the shipping cost of live plants purchased with the intent to be shipped to states that do not authorize importing live plants or to states with restrictions! Purchases to these states will be held for 30 days for pick-up at our Slidell, Louisiana store and the shipping cost associated with these purchases will be held for the care of the plant while waiting to be picked up. All sales are final. If the plant(s) purchased are not picked up within 30 days from the date of order, these items will be returned to our sales inventory and you WILL NOT be refunded. Thank you for understanding these policies.

Due to regulations, certain states have restrictions on importing plants. Please review the list below to ensure you're not attempting to order any restricted plants in your area.

**Important Note:** We do not ship any plants outside the U.S.

State-Specific Restrictions - We ARE NOT responsible for any plant(s) that are not listed in these restrictions. Purchaser bears all responsibility for making sure the plant(s) they desire to purchase are not banned from being imported to the shipping state:

Arizona: Juglans spp.  

California: Castanea spp., Juglans spp., Pinus spp., Quercus spp.  

Colorado: Some counties restrict Prunus spp. Please verify your local county regulations.  

Florida: Castanea spp., Cornus spp., Quercus spp., Cornus mas 

Georgia: Vaccinium spp.

Hawaii: Pinus spp. 

Idaho: Humulus lupulus, Mentha spp., Vitis spp.

Indiana: Fragraria spp., Rosa spp. 

Kansas: Juglans spp.

Michigan: Abies spp., Vaccinium spp.

Montana: Pinus spp.

Nevada: Allium spp.

Mentha spp. 

New Jersey: Rosa spp.  

New York: Vitis spp.  

Oregon: Allium spp., Castanea spp., Corylus spp., Humulus lupulus, Quercus spp., Sambucus nigra, Ulmus spp., Vaccinium spp., Vitis spp.

Texas: Juglans spp. 

Washington: Allium spp., Castanea spp., Corylus spp., Humulus lupulus, Vaccinium spp., Vitis spp.  

Wisconsin: Abies spp., Pinus spp., Picea spp., Mentha spp. 

Additionally, we cannot ship plants in soil medium to the following states: AK, AL, AR, AZ, CA, HI, ID, KS, MS, MT, ND, NM, NV, OK, OR, SD, TX, UT, WA.