Amaryllis (Hippeastrum x hybridum) are showy flowering bulbs that are indigenous to South Africa. They are easily recognized by their 2- to 3-foot tall, leafless stalks and trumpet-shaped flowers, which typically appear in clusters of four to six per stalk. Amaryllis come in a wide variety of colors, including pink, white, red, striped, salmon and rose. Plan on planting amaryllis anytime from September through January.
Plant multiple amaryllis bulbs in a pot that is 7 to 8 inches deep and has several bottom drain holes.
Set the roots of amaryllis bulbs into a bowl or basin. Pour approximately 3 to 4 inches of warm water over the bulbs. Allow them to soak for two to three hours.
Place a 2- to 3-inch layer of pea gravel in the bottom of the planting pot to prevent the pot from tipping over, as amaryllis gets very top heavy.
Scoop a quality potting mix into the planting pot until it is approximately half full. Mix together equal amounts of peat moss, compost, sand and vermiculite or perlite to make your own potting mix.
Place the amaryllis bulbs on top of the soil in the pot. Spread out the roots of each bulb gently. Space each of the bulbs so they are approximately 1 inch apart and1 inch from the sides of the pot.
Scoop potting mix over the top of the roots of each bulb. Pat the mix down gently over the roots to eliminate any air pockets. Scoop in more of the potting mix until each bulb is approximately 50 to 75 percent covered in soil. The very top of each bulb should be sitting about 1 inch above the level of the soil.
Give the amaryllis bulbs tepdid water until the potting mix is visibly well-moistened. Place the pot in a location that will provide six to 10 hours of light daily. Avoid placing the pot in direct sunlight. Maintain a temperature between 60 and 65 degrees F. Do not water the bulbs again until they begin to sprout, in approximately two to three weeks.
Transfer the pot to a warmer location where the temperature will remain at approximately 75 degrees F as soon as the bulbs begin sprouting. Provide the bulbs six to eight hours of direct sunlight a day. The amaryllis bulbs will begin blooming in about seven to 10 weeks.
Feed amaryllis bulbs when they reach 2 to 3 inches in height with a low nitrogen fertilizer such as 5-10-10 or 6-12-12 to encourage large blossoms. Follow the directions provided on the product label for dosage details.