Euphorbia trigona, commonly known as the African milk tree or cathedral cactus, is a striking succulent native to Central Africa. It features tall, columnar stems with multiple branches and spines along the ridges. The stems are typically green with white or light green markings, and some varieties have reddish hues. This plant is highly valued for its architectural form and low-maintenance care requirements, making it a popular choice for both indoor and outdoor settings.
With proper care, Euphorbia Trigona can thrive, providing its distinctive, architectural form as a focal point in any succulent collection. This plant's resilience and striking appearance make it an excellent choice for both novice and experienced plant enthusiasts.
Light
Prefers bright, indirect light.
Can tolerate direct sunlight, which can enhance its growth and colour.
If grown indoors, place near a sunny window with plenty of light.
Water
Water sparingly; allow the soil to dry out completely between waterings.
During the growing season (spring and summer), water thoroughly but infrequently.
Reduce watering in the winter when the plant is dormant.
Humidity
Thrives in low to moderate humidity levels.
Adaptable to average indoor humidity.
Avoid placing the plant in overly humid areas to prevent rot.
Temperature
Ideal temperature range: 16-27°C.
Can tolerate higher temperatures but needs protection from frost and temperatures below 10°C.
Prefers a warm, dry environment.
Soil
Use a well-draining, sandy or gritty potting mix designed for succulents and cacti.
Ensure the pot has drainage holes to prevent waterlogging.
A mix of potting soil, perlite, and coarse sand works well.
Fertilisation
Feed sparingly; use a balanced, water-soluble fertiliser diluted to half strength.
Fertilise once a month during the growing season (spring and summer).
Do not fertilise during the winter dormancy period.
Repotting
Repot every 2-3 years or when the plant outgrows its pot.
Choose a slightly larger pot with good drainage.
Refresh the soil to provide new nutrients.
Pruning
Prune to remove any dead or damaged stems.
Wear gloves when pruning to protect against the plant’s spines and milky sap, which can be irritating to the skin.
Remove unwanted branches to maintain the desired shape.
Pests
Watch for common pests such as spider mites, mealybugs, and scale.
Treat infestations with insecticidal soap or neem oil if needed.
Keep the plant in a well-ventilated area to reduce the risk of pest problems.
Propagation
Easily propagated through stem cuttings.
Allow cuttings to callous over for a few days before planting in well-draining soil.
Ensure good light and minimal watering until cuttings root.
Am I Pet Friendly?
Unfortunately I am Not Pet Friendly.
What size am I?
I am in a 12cm pot.