Agave quadricolor is a beautiful and unique succulent that makes an excellent addition to any collection. If you are lucky enough to have one of these plants, you may be wondering how to propagate it. The best way to propagate Agave quadricolor is by offsets or pups. These are small replicas of the parent plant that form at the base of the plant. To remove an offset, simply snip it away from the main plant with a sharp knife. Make sure each offset has its own roots before potting it up in well-draining soil. If you don't have any offsets available, you can also propagate Agave quadricolor from seed. However, this method is more challenging and it may take several years for the plant to mature. To sow the seeds, mix them with some sand and place them in a well-draining pot. Water the soil and place the pot in a warm, sunny spot. Keep the soil moist but not soggy and be patient - it could take a few years for your plant to appear.