Leaves differ as per the species. Some are alternate, opposite and in whirls (deciduous varieties). Leaves of some varieties are short-lived and small in size. Fruits have two or three compartments and an explosive dehiscence. Plants have four-angled seeds that are mostly oval and sometimes spherical. Some species bear caruncles, a fleshy structure of seeds.
Some studies say that several types of terpen ester are carcinogenic. If the sap comes in contact with the skin, one should wash that part carefully with water or milk.
Succulent species like Euphorbia Pekinensis is a traditional Chinese medicine. Several varieties are also used as food plants. The most common usage of euphorbia plants is in flower gardens. These plants are suitable for all types of gardens.
They include snow on the mountain (Euphorbia marginata), Robb's Euphorbia, evergreen Spurge, Euphorbia Diamond Frost, Euphorbia Crown of Thorns, Elkhorn, Euphorbia martinii Redwing (hybrid), Euphorbia Blackbird, Euphorbia Rudolph, Euphorbia Helena's Blush, Euphorbia Glacier Blue, Euphorbia myrsinites, Euphorbia amygdaloides or wood spurge, etc.
Each different species demand slightly different gardening approach. However, planting them in a complete to partly-sunny area and in a well-drained soil will bring good results. Euphorbia shrubs are required to be planted in a shady area and away from strong windy areas.
Annual species should be sown in spring, while perennial seeds in early spring. You need to do regular pruning once the flowering season is over. Make sure you prune by wearing required clothing and gardening gloves. Some common plant diseases you need to be aware of, are gray mold, aphids and mealybugs. It is recommended to use fertilizers beforehand.