What is an amaryllis?
The plant sold as amaryllis is botanically Hippeastrum, a genus of bulbous flowering plants in the family Amaryllidaceae, native to tropical and subtropical regions of South America. The common name “amaryllis” stuck commercially after centuries of misidentification — today’s potted holiday bulb is almost always a Hippeastrum hybrid rather than the true Amaryllis belladonna of South Africa. No matter the name, the result is spectacular: a single bulb can produce one to two stout stems, each carrying two to four enormous trumpet-shaped blooms in shades of white, pink, coral, red, burgundy, and striped or picotee combinations.
How much light does an amaryllis need?
Amaryllis grows best in bright, indirect light — a south- or east-facing windowsill is the sweet spot. Good light produces stocky, upright stems that hold the heavy blooms without staking; low light causes the stem to stretch toward the window and then topple under the weight of the flowers. Once in bloom, moving the plant to a slightly cooler, less sunny spot can extend the flower duration by several days.
How do you care for an amaryllis bulb after it blooms?
This is the question that separates one-season wonders from perennial performers. After the flowers fade, cut off the spent bloom stalks but leave all the strap-shaped leaves intact — they photosynthesize and rebuild the bulb’s energy reserves. Water and fertilize normally (a balanced liquid fertilizer every two weeks) through spring and summer. In early autumn, stop watering and let the leaves yellow and die back naturally, then store the dry bulb in a cool (50–55°F), dark place for six to eight weeks. Repot in fresh mix, water once to wake it, and move it back to bright light. A new flower stem typically appears within four to six weeks.
How often should you water an amaryllis?
During the active growing season, water when the top inch of soil is dry — roughly every one to two weeks. Amaryllis bulbs are prone to rot if they sit in soggy soil, so a well-draining mix and a pot with drainage holes are non-negotiable. During the dormancy period, do not water at all. When you restart the cycle, give the bulb one thorough drink and then resume the regular schedule once new growth appears.
Why is my amaryllis stem falling over?
A flopping stem almost always means not enough light. In low light the stem etiolates — it grows tall quickly but remains thin and weak, unable to support blooms that can weigh several ounces. Stake the stem with a thin bamboo rod tied loosely at the base, and move the plant to your brightest indirect-light window for the next growth cycle. Pot choice matters too — an oversized pot encourages root growth at the expense of flowers and can contribute to instability.
Is amaryllis toxic to pets?
Yes — the ASPCA lists Hippeastrum as toxic to cats and dogs. The entire plant contains lycorine and other Amaryllidaceae alkaloids, but the bulb is the most concentrated source. Ingestion can cause vomiting, excessive salivation, drooling, tremors, and lethargy. Keep stored bulbs in a location that pets cannot access, and avoid leaving loose bulbs on countertops.