Frost-resistant cactus from Mexico that produces edible and truly delicious fruits.

Opuntia ficus indica, also known as the prickly pear cactus, originates from Mexico but is now cultivated worldwide in tropical and Mediterranean climates as both an ornamental plant and a fruit crop. The cactus's spines are reduced and even fall off after a short time, making it practically impossible to get pricked by it. It is also frost-resistant down to -10°C and could therefore be grown outdoors with winter protection.

Botanical description.

Opuntia ficus indica is believed to originate from central Mexico where its closest relatives are also found.

Commercially, it is primarily cultivated for its edible, sweet and sour fruits, which are widely used in Mexican cuisine. Cultivation is particularly facilitated by the fact that the flowers are autogamous, meaning they pollinate themselves and form fruits.

The prickly pear cactus typically grows to about 3 meters in height, and the individual, flat stem sections grow 20 to 60 cm long and 10 to 30 cm wide. Over time, a woody trunk forms.

Care

The prickly pear cactus is very hardy and grows well even in soils that are not particularly fertile and dry. It is even tolerant of light frost down to -10°C if it is not wet at the same time, which can otherwise lead to rot. Late spring frosts are poorly tolerated, as new shoots freeze to death. In our region, it can be cared for as an indoor plant or even as a garden plant in a suitable location with mineral-rich soil.

The prickly pear cactus thrives in direct sun and warm temperatures. It can be given cactus fertilizer every two weeks. It should be planted in a very loose, mineral-rich and well-drained substrate. In summer, the plant should be watered regularly and abundantly, but always so that there is no waterlogging.

During autumn and winter, watering should be significantly reduced, and for specimens planted outdoors, you should keep the soil around the plant dry. For this, you can cover the ground around the plant with a waterproof tarpaulin. In this way, it can survive frosts down to about -10°C. Then protect the plant with burlap and/or a heating cable during winter.

From autumn, the stem sections begin to become somewhat wrinkled and often lose their ability to stand upright. This is nothing to worry about. The cactus concentrates its cell sap and accumulates sugar in the cells, which lowers the freezing point. This is an antifreeze mechanism!

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