Crown of Thorns plant is one of the rare succulents capable of blooming almost year-round.
Bright-green leaves grow along its thick, thorny stems. Lower leaves naturally fall off as the plant ages. If your plant gets too tall and leggy, you can prune it back by half its size in spring. This will cause it to branch out. New stems will grow from below where the pruning cuts were made, making this succulent bushy and full.
Euphorbia includes annuals, perennial herbs, shrubs and trees that have a corrosive and poisonous milky sap. Many are succulent and can either be thorny or unarmed. The deciduous leaves can either be alternate, opposite or in whorls. All spurges produce unisexual flowers. Its flowers are actually bracts that last for several weeks and are available in bright pink, red, white or yellow.
Planting and care
Take 3 in (7.5 cm) stem cuttings in spring or summer. Dip the cut ends in warm water for a few minutes to stop the flow of sap then allow to dry for 24 hours before inserting into barely moist potting mix. Cuttings will root in about 6 weeks.
Sunlight: Bright light to full sun.
Soil: A fast-draining medium such as cactus potting mix works best.
Water: Allow the top 1 in (2.5 cm) of soil to dry out between waterings. Water less in winter when the plant rests. Also, avoid getting water on the leaves and stems because they can rot if they get too wet.
Temperature: Grows best with average room temperatures 60 to 75F/16 to 24C; A cooler winter rest of 55F/13C will help promote flowers in spring and summer.
Fertilizer: Feed every 2 weeks spring through fall with a balanced liquid fertilizer diluted by half. In winter, feed monthly.