Aftercare: After winter bloom, if you want to rebloom your amaryllis, it’s quite simple. When blooms fade, cut off the tubular flower stems near the top of the bulb, leaving the foliage to continue growing. Water as usual and apply water-soluble fertilizer every four weeks. Winter through Fall: Amaryllis Growing & Rebloom Tips. Fertilize Amaryllis regularly during the growth cycle starting one month after planting (when active growth is underway). After the bloom cycle finishes, cut off the stems just above the bulb nose. A “Red Lion” amaryllis bulb varies in size, depending on its age, but bulbs at … Exercise care when placing the stick in the soil so that you don’t pierce the bulb. In general, amaryllis blooms about eight weeks after the first watering. GETTING AMARLLIS TO REBLOOM. Keep it cool through the holidays. Cut the flower stalks. Increase light, water and fertilizer. Move it outdoors in spring. Decide your bloom time. Keep it cool until the bulb signals it’s ready to go.