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Senna Seeds
About...
Wild Senna (Senna Hebecarpa) - This native, long-lived, yellow flowering perennial is found in the eastern third of the United States. It is excellent for native gardens and meadows as well as conservation plantings. It is also used as a medicinal herb.MORE HERB OPTIONS
Herb Specifications
SEASON
Perennial
USDA ZONES
4 - 9
HEIGHT
36 - 72 inches
BLOOM SEASON
Summer
BLOOM COLOR
Yellow
ENVIRONMENT
Full sun to partial shade
SOIL TYPE
Prefers damp, fertile soils but will tolerate drier sites
DEER RESISTANT
Yes
LATIN NAME
Senna Hebecarpa
Planting Directions
TEMPERATURE
68F
AVERAGE GERM TIME
7 - 14 days
LIGHT REQUIRED
Yes
DEPTH
1/8th inch
SOWING RATE
3 - 4 seeds per plant - 1 oz per 1,000 square feet
MOISTURE
Keep seeds moist until germination
PLANT SPACING
36 inches
Wild Senna (Senna Hebecarpa) - Senna is an herb. The leaves and the fruit of the plant are used to make medicine. This native, long-lived, yellow flowering perennial is found in the eastern third of the United States. A unique specimen plant for the border! Long-lived and hardy. Tolerant of hot, dry sites once established. It is excellent for native gardens and meadows as well as conservation plantings. Plants grow up to six feet tall and produce yellow flowers in summer, which attract butterflies, bumble bees and other native bees. Seeds are eaten by some game birds such as quail and turkey. Plants prefer damp, fertile soils but will tolerate drier sites.
Senna is an herb that contains compounds called anthraquinones, which are powerful laxatives. In fact, the U.S. Food and Drug Administration has approved senna as a nonprescription laxative. Additionally, senna has been found to be effective for cleansing the bowel prior to undergoing colonoscopy when used in conjunction with other agents.