Amaryllis are beautiful, easy to grow and care for plants. With their green strappy leaves and big beautiful blooms! You can grow a gorgeous Amaryllis plant in your home and garden easy! In order to keep your Amaryllis plants happy and healthy you need a good fertilizer schedule. Think of fertilizer like food for your plant. Too much fertilizer and your plant will suffer. Too little or no fertilizer and your plant will struggle to bloom and maintain a healthy bulb.
Amaryllis bulbs need fertilizer to bloom. You can fertilize amaryllis plants every 2-3 weeks with a balanced liquid fertilizer. When you see the words “balanced fertilizer” that means the fertilizer has equal parts NPK.

Full Amaryllis planting and growing guide here!
How to fertilize amaryllis plants:
- Use a balanced liquid fertilizer. A balanced liquid fertilizer will have three numbers on the label, such as 10-10-10. These numbers represent the percentage of nitrogen, phosphorus, and potassium in the fertilizer.
- Dilute the fertilizer. When you first start fertilizing your amaryllis bulbs, dilute the fertilizer to half strength with water. This will help to prevent the roots from burning.
- Water the fertilizer in. After you apply the fertilizer to your watering can, water it in thoroughly. This will help the fertilizer to reach the roots.
- Slow down fertilizing after the flowers have bloomed. Once the flowers have bloomed, you can slow down fertilizing your amaryllis bulbs. Once a month during the growing season is great!
- Fertilize your Amaryllis. Fertilizing every 2-3 weeks is a great fertilizing schedule for amaryllis plants until flowering.
With a fertilizing plan, you can help your amaryllis bulbs grow and bloom beautifully.
Tips on how to fertilize your amaryllis bulbs:
- Use a fertilizer that is high in phosphorus. Phosphorus is essential for flower production.
- Fertilize your amaryllis bulbs during the spring and summer months. This is when the bulbs are actively growing and producing flowers.
- Do not overfertilize your amaryllis bulbs. Too much fertilizer can burn the roots and kill the plant.
- Water your amaryllis bulbs regularly. This will help to prevent the fertilizer from burning the roots.
You are now on your way to growing your most beautiful Amaryllis plant and blooms!
Happy Gardening!