Yellow Euphorbia Plant
According to plantdelights.com, Euphorbia plants (also called milkwort) are "prized for their unique chartreuse flower heads, textural foliage and wonderful garden structure." Related to the poinsettia, Euphorbias are available in an extensive array of species, styles, shapes and colors. Among these, the yellow Euphorbia plants feature brilliant yellow flowers and require only minimal amounts of care. Does this Spark an idea?
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Background
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According to the Desert Botanical Garden website, the Euphorbia genus includes more than 3,000 species, making it one of the largest in the plant kingdom. Ranging from small portly shrubs to large, grand trees, Euphorbia plants vary greatly in terms of size, shape, color and characteristics. The name "Euphorbia" was given to the species after a King of Mauritania spotted one of the plants and was reminded of his portly physician, Euphorbus.
Types
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Blooming in April through late July, the Euphorbia "Canyon Gold" features golden yellow flowers that are large and cylindrical in shape. The plant also features purplish-gold foliage and thick red stems. They grow to approximately 2 1/2 feet high and 3 feet wide.
The Euphorbia "Dean's Hybrid" blooms early in April, then again in September and October. According to diggingdog.com, this plant features "electrifying billows painted in acid yellows enveloped by [a] dense green globe-like mound of fine textured narrow foliage." This squat plant sits just 1 to 2 feet high and grows to be approximately 2 feet wide. Fertilize two to three times per month during the growing season; use a soluble fertilizer at only one-quarter of the usual strength.
The drought-tolerant Euphorbia characias wulfenii is much taller and wider than other plants, standing 3 to 5 feet high and 3 to 4 feet wide. The plant features cylindrical flower heads that are yellow-green in color. Its blooming season is March through June.
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Care
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Nearly all yellow Euphorbia plants will require soil that drains well. For example, commercial potting mixes designed for cacti or succulents tend to work well with Euphorbia plants. The plants should be watered approximately once per week during warm months and only once per month during colder months. It is better so slightly under-water the plants than to overwater them. They require bright, indirect light for many hours a day; they typically do well in covered patios.
Pests
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Occasionally, yellow Euphorbia plants might become infested by small pests, such as spider mites, mealybugs and aphids. If left untreated, these pests will slowly damage the plant. The Desert Botanical Garden recommends using an over-the-counter product, such as malathion or Di-Syston to combat these pests. However, these products are slightly harsh; they should be handled carefully and should be weakened before applying to the plants. For best results, spray the Euphorbia during the later hours of the day.
Considerations
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Euphorbia plants contain a white, milky sap that contains latex. This sap can cause serious irritation if it comes into contact with your eyes, mouth, nose or skin. If the sap comes into contact with your body, quickly wash it away with water. Interestingly, though, the sap of certain Euphorbia plants is occasionally used for medicinal purposes. To ensure the utmost safety when caring for a yellow Euphorbia plant, research the specific plant's characteristics and safety concerns.
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References
- Photo Credit flower and ants image by darkchoco from Fotolia.com
