How to propagate Euphorbia
As a star variety among cacti and succulent plants, Euphorbia is loved by gardening enthusiasts for its unique columnar shape and robust vitality. Mastering the correct propagation method for Euphorbia can not only continue the excellent traits of the mother plant but also quickly create a disheveled desert landscape. This article will systematically explain the entire process of Euphorbia propagation through six core steps.
Ⅰ. Choosing the Best Propagation Time
1.1 Seasonal Temperature Control
The survival rate is highest between May and September when the average daily temperature is 25°C. At this time, plant cell activity is strong, and callus formation is rapid. Operations should be suspended when the temperature exceeds 35°C, as high heat can accelerate water loss from the cut surface, leading to the dehydration and death of the cutting.
Ⅱ. Scientific Cutting Treatment
2.1 Branch Selection Criteria
Select a 2-year-old healthy mother plant, cut the top downward at the 5-6cm branching point, retaining 3-4 growth nodes. Use a sharp knife sanitized with alcohol to make an oblique cut, ensuring the cut surface is smooth without any burrs.
2.2 Wound Protection Treatment
Immediately apply wood ash or sulfur powder to form a protective film, place it in a well-ventilated and shady place to dry for 5-7 days, and only plant after a white callus layer has formed on the cut surface. This is a key step to prevent decay.
Ⅲ. Intelligent Substrate Ratio
Ⅳ. Accurate Planting Operation
4.1 Control of Planting Depth
Insert the cutting into the substrate 3-5cm, keeping it upright. When planting multiple plants together, they should be spaced 8-10cm apart. Using a red pottery pot with good breathability is more beneficial for root development.
4.2 Intelligent Maintenance Plan
After watering thoroughly for the first time, switch to atomized sprinkling to maintain 50% air humidity. After 3 weeks, gradually increase sunlight exposure, and using LED grow lights for 4 hours daily can accelerate root growth.
Through systematic operation and management, the rooting rate can reach over 90% in about 35 days. Regularly rotate the pot to ensure even exposure to light, and the plant can be transplanted after the new seedlings have grown 3-4 true leaves. Mastering these technical points, you can also easily achieve large-scale propagation of Euphorbia.