Stenocereus
Family. Cactaceae.
Origin. Central and South America.
Description. Stenocereus is a large tree-like cactus with erect, green or bluish-green stems branching at the base. The stems are cylindrical, up to 15 cm in diameter, sometimes have segments, and become woody at the base with age. The ribs are numerous, clearly defined, vertical. The spines are straight, strong, light gray or brown. The flowers are funnel-shaped, attractive, white or pink, appear near the top of the stems and open at night, and are fragrant. The flower tubes are covered with low, sparse spines.
Height. Only small young plants are kept in cultivation. In its natural environment, the height of this plant reaches several meters.
Home care
Temperature conditions
In spring and summer, a room temperature of about 20° C is suitable. In winter, do not expose the plant to temperatures below 12° C.
Lighting
Maximum possible lighting, in spring and summer shading during the day is possible. In the morning and evening direct sunlight should fall on the shoots for 3-4 hours daily - this will promote flowering.
Care
As a rule, the cactus is easy to cultivate and is maintained without any problems. Suitable for beginners.
Substrate
The soil should easily pass water and air, pH ranging from 6.1 to 7.5. A mixture of leaf humus, turf soil with a large amount of coarse river sand or perlite to improve drainage and small pieces of charcoal is suitable. You can use a ready-made substrate for cacti and succulents.
Feeding
Feed your Stenocereus from spring to fall with a high-potassium liquid fertilizer for cacti and succulents.
Flowering time
Summer.
Air humidity
At any time of the year, the air should be dry; stenocereus does not need spraying.
Soil moisture
Water regularly during the warm season; allow the soil to dry to ½ depth before each subsequent watering. In winter, simply do not allow the soil to dry out completely.
Transplant
Every 2 - 3 years, plants need spring replanting to change the substrate. It is advisable to grow in clay pots with large drainage holes, the walls of which allow the root system to breathe and allow moisture to pass through.
Reproduction
Propagated by seeds sown in spring. The cuttings are separated with a sharp sterile instrument, the cut site is dried for several days and rooted in damp sand in spring and summer.
Pests and diseases
The plant is susceptible to fungal diseases when overwatered.
Harmful insects can include mealybugs, spider mites and scale insects.
Note
The fruits of this cactus are eaten fresh and dried.