The firestick plant (Euphorbia tirucalli) is a colorful tropical succulent. Its green stems turn yellow in summer, then turn fiery shades of orange, pink, and red in winter. The more sun the plant ...

March’s Weed of the Month, leafy spurge (Euphorbia esula) is an invader of pastures, forage, grasslands, and ditches. It is native to Eurasia and has become widespread throughout the United ...

The tiny yellow flowers in the center of the bracts are called cyathia. The colorful bracts (leaves) serve to attract insects to the tiny flowers. Poinsettias are in the Euphorbia family ...