Sisal PlantSisal is a plant of the Agave family and consists of a rosette of sword-shaped leaves about 1.5 to 2 metres tall. The leaves contain valuable fibres, which account for only 4 % of the plant weight. After a period of eight to ten years the mature plant sends up a central flower stalk reaching about 6 metres in height. Flowers form dense clusters at the ends of branches growing from the flower stalk. As the flowers begin to wither, buds develop into small plants, also called bulbils, that fall to the ground and take root. The old plant dies when flowering is completed.