Myrtillocactus geometrizans (Bilberry Cactus)
Botanical name: Myrtillocactus geometrizans
Common names: Bilberry Cactus, Whortleberry Cactus, Blue Candle
Family: Cactaceae
Origin: Mexico
USDA Zone: 9-10
Plant form: Small tree
Mature height: 10-20 ft
Sun exposure: Full sun or bright light indoor
Cold tolerance: Frost sensitive. Protect from freezing.
Watering: Moderate
Flower color: White and off-white
Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Thorns: Thorny or spiny
Wildlife: Attracts butterflies and hummingbirdsCommonly known as Bilberry Cactus or Blue Candle, Myrtillocactus geometrizans is a small tree that can grow up to 10-20 feet. It is native to Mexico, where plants tend to remain unbranched for many years.
The plant prefers to grow in full sun and should receiving moderate amounts of water. Its white to off-white flower are quite small and bell-shaped, but they attract many butterflies and hummingbirds. It is also known for its thorny or spiny stems that can be found in USDA Zone 9-11.
The fruit of this cactus small and round, with a sweet flavor and plenty of vitamins and other healthy benefits. The fruit ripens in late summer and in optimal conditions, each plant can produce up to 200 fruits in one season. It is commonly used in Mexico and other countries to make jams, jellies, juice, and pies.
In cold climates, this plant can be grown in a pot. Recommended soil should be well-draining so that it doesn't suffocate the roots of the plant. Careful watering is also essential; it should be watered when the soil dries, but in moderation so that it doesn't cause overwatering. The flower of Bilberry Cactus are sensitive to cold, so it is best not to expose them too much to the cold temperatures of winter.
