Myrtillocactus is a genus of cacti found from Mexico to Guatemala. The genus is best known with Myrtillocactus geometrizans. The largest plants in this genus can grow up to 16.5 feet (5 m) tall. Myrtillocactus tends to flower in the summer. After the greenish-white flowers, this cactus will produce blue berries, hence the nickname Blueberry Cactus, that are eaten as a snack in Mexico.
Growing Conditions and General Care
In the summer place Myrtillocactus in the sunshine (indoors or outdoors). In the winter, find a cooler, light spot. That will allow it to go into next spring well-rested, which will make it more likely to flower.
This easy-care plant doesn't want a lot of water. Allow the soil to dry out before you give it another drink. Keep the soil completely dry in winter. Need a well-drained soil mix with small gravel added to ensure drainage.
They are semi-hardy, make sure that your Myrtillocactus are not exposed to temperatures below 25°F (-4°C), or they may die. Nevertheless, it is good advice never to let the nighttime's temperatures fall below 50°F (10°C).
Treat it to special cactus food once a month in the spring and summer.
Since they are big-sized plants that need plenty of space for their roots, repotting should be done every other year or when the plant has outgrown its pot. If the plant needs repotting, use a fairly impoverished soil specially designed for cacti.
By seed or cutting (allow the cut surface to dry out for 2-3 weeks before placing in an open rooting media). The cuttings, which will grow quickly, from this cactus must be taken when the temperature is high enough, or the cuttings won't root.
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