AT A GLANCE
How can I save a frozen agave?
If an agave has frozen, it should be immediately moved to a frost-free winter quarters with temperatures between 10 and 15 °C. Allow frostbite to dry, then water gently and remove affected parts once the agave has recovered.
Why are agaves freezing to death in Germany?
As succulents need Agaves a mild, frost-free climate. They come from warm and dry areas in America. The plants are adapted to this climate. That is why they do not tolerate our damp and cold weather in autumn and winter. Agaves store a lot of water in their leaves. If the temperature falls below 0 °C, the water in the leaves also freezes. As water expands when it freezes, the cell walls rupture and the cells die. That's why most should Do not overwinter agaves outside.
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How do I know if my agave is frozen?
Frozen spots on the agave feel feels muddy at first. This is due to the destroyed cell walls, which no longer provide stability. The areas later turn brown, wrinkle and die. First get an overview of how badly the plant is damaged. Damage to the leaves can often be repaired with the right care. If the trunk of the agave is affected, rescue is difficult.
How do I treat a frozen agave?
A frozen agave you should immediately to winter quarters move. A bright room with Temperatures between 10 and 15 °C. Do not water the agave and let the frostbitten areas dry. If the agave is well dried, scab will form around the frozen areas. Thanks to this, the plant can be watered carefully. The soil must always dry completely before the next watering.
Can I put the frozen agave back out afterwards?
An agave with frost damage may not exposed to further frost become. Leave the plant in at least until after the Ice Saints winter quarters. After that, night frosts are very rare in most regions of Germany. Before the plant moves back to its summer location, the frozen ones are removed. When the temperatures are mild, the plants recover and sprout again.
Tip
Hardy agaves
If you do not have suitable winter quarters for your agave, you can fall back on hardy agaves. American species such as the Agave americana tolerate at least a light frost. Mountain agaves such as Agave havardiana and Agave utahensis survive temperatures down to -20 °C.