Popcorn Cassia, Peanut Butter Senna - A shrub or small tree producing golden-yellow flowers with a distinct scent of peanut butter that open from brown buds in late summer and autumn. Also called Popcorn Cassia, because it smells like fresh cooked, buttered popcorn when you run your fingers through the leaves and then smell. It blooms beautiful large clusters of sunny yellow flowers. Soak seeds before planting. Plant 3/4" deep in well-drained mix. Keep lightly moist, warm and in bright light. The seeds can rot if soil is too wet. Ordering seeds info