Fertilization Dry chemical field fertilizers may be added to soil in small quantities before planting. It is usually better, however, to add a small amount of liquid fertilizer to the water given succulents in normal watering. Cycle Most succulents flower once a year when mature. Plants given high amounts of nitrogen fail to flower. Vitamin B1 and fertilizers high in phosphorous and potassium stimulate flowering.
Many succulents go dormant once a year.
Stapelia is dormant in the winter, while ice-plants are dormant in the summer. Truly tropical succulents may never become dormant if the temperature remains favorable. Most succulents grow readily from seeds, but fungicides must be used to prevent damping-off. The really thrilling methods of propagation are vegetative. Space here allows reciting only a few commoner types.