Yaupon Black Senna (Seymeria Cassioides) is a annual herb in the Orobanchaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-9. This plant is safe for cats and dogs.
Seymeria cassioides is an erect, profusely branched, glandular pubescent annual herb with squarish stems, growing up to about 4 feet in height. It features yellow flowers with a distinctive red ring-forming lateral stripe on each petal.

Yaupon Black Senna
Seymeria Cassioides
Seymeria cassioides is an erect, profusely branched, glandular pubescent annual herb with squarish stems, growing up to about 4 feet in height. It features yellow flowers with a distinctive red ring-forming lateral stripe on each petal.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Yaupon Black Senna
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
Group plants together to create...
Growth Hack
Rotate your plant every...
Photo Gallery10+ photos

View leaf details, flowers, seeds & more in the app