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

Opuntia ficus-indica, also known as the prickly pear, originates from Mexico but is now cultivated all over the world 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 prick yourself on it. It is also frost-hardy 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 grown primarily for its edible, sweet and tangy fruits, which are widely used in Mexican cuisine. Cultivation is particularly facilitated by the fact that the flowers are autogamous, meaning they self-pollinate and produce fruit.

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

Care

The prickly pear is very hardy and grows well even in soils that are not particularly fertile or dry. It is even tolerant of light frost down to -10°C, provided it is not wet at the same time, which could otherwise lead to rot. Late spring frost is poorly tolerated, as the new shoots will 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 thrives in direct sun and warm temperatures. It can be given cactus fertilizer every other week. 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 water accumulation.

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 tarp. In this way, it can survive frost down to about -10°C. Then protect the plant with burlap and/or heating cables during the winter.

Starting in autumn, the stem segments begin to wrinkle slightly and often lose their ability to stand upright. This is nothing to worry about. The cactus concentrates its cell sap and collects sugar in its cells, which lowers the freezing point. This is an anti-freeze mechanism!

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