As a winter-blooming bulb flower, the amaryllis is somewhat sensitive to watering. Too little weakens the plant, too much leads to rot – and the wrong time can even ruin the bloom. We summarize for you how to properly water your knight’s star all year round.
Unlike classic indoor plants, amaryllis (Hippeastrum hybrid) is not watered evenly all year round, because like an onion flower it is extremely sensitive to watering. As a geophyte, the plant aligns its rhythm of life, which consists of the resting phase, flowering period, and growth phase, namely according to the available water supply and the temperature. Accordingly, when watering the amaryllis, a few points – and above all the right timing – must be observed.
Watering amaryllis: tips in brief
- To avoid waterlogging, pour over the coaster and discard any remaining water as soon as possible
- Slowly increase the amount of water from the first shoot to the beginning of the growth phase in March
- From the end of July, the watering is reduced and it is completely stopped for the rest period from the end of August
What do you have to pay attention to when watering the amaryllis?
Bulb flowers do not tolerate waterlogging. If the roots start to rot because the soil is too wet, the plant is usually lost. So make sure that excess water in the pot can drain off well and that the onion is not too moist. The easiest way to avoid wet plant substrate is to pour the amaryllis over a saucer rather than the pot. Then the plant can draw the required amount of water for itself. Any remaining irrigation water must then be poured away promptly. Alternatively, drainage made of expanded clay or gravel on the bottom of the pot is good protection against waterlogging. After watering, check the planter regularly to prevent water from collecting in it.
Good drainage is extremely important when planting amaryllis so that the irrigation water can run off properly
How do you water during the flowering phase?
As a winter bloomer, the amaryllis delights us with its magnificent blooms, especially in December and January. If you want to wake an amaryllis bulb from its slumber in early winter, do it with a single, copious watering. With the next watering, wait until the first shoot tips appear at the top of the onion. Then it’s time to move the amaryllis to their future location and start watering them regularly. In the beginning, the watering quantities will be reduced, as the plants grow more and more water is needed. Finally, during the flowering period, the plant should be watered sufficiently and regularly.
To develop its large starflower, the amaryllis needs water regularly
How do you water during the growth phase?
Once the knight’s star is over in spring, the plant enters its growth phase. This means that instead of a flower, the leaves grow to give the plant the energy it needs to flower again. A regular water supply is essential here. In the period between March and July, the amaryllis is therefore watered as required. If the amaryllis is outside in a sheltered, warm place to spend the summer, for example, it has to be watered a little more often than indoors. Fertilizer is now also used, which supports the plant in developing the leaf mass. Treat the amaryllis like a normal potted plant when it is growing.
Knight stars regenerate in the form of onions before the next flowering period
The resting phase of the amaryllis: stop watering, please!
At the end of July and the beginning of August, the amaryllis finally enters its dormant phase. In preparation for this, the large green leaves are drawn in and the energy collected over the summer is stored in the onion. This process begins as soon as you reduce the watering. Very important to avoid mistakes when caring for the amaryllis: From the end of July, give the amaryllis less water at longer intervals until you stop watering completely at the end of August.
The leaves then turn yellow and gradually fall off until only the large onion remains. This is followed by a rest period of at least five weeks, during which the plant should stand in a cool, dry, and dark place. If you miss the resting phase and continue to water the amaryllis, as usual, no flower will develop. After the rest period has ended, you should repot the onion. A quick fresh pour from the water jug brings the onion back to life in November.