Echium wildpretii
Tower of JewelsFamily: Boraginaceae
Origin: Tenerife
Echium wildpretii, commonly known as Tower of Jewels, is a large shrub plant native to Tenerife, the Canary Islands. It grows to an impressive 5-10 ft tall and wide and requires full sun exposure and moderate water. Clusters of colorful red and crimson, sometimes vinous colored flowers appear on top of the tall stalk in the second year. This bright and showy bloom also attract butterflies, hummingbirds, and other pollinators. Despite its tropical origins, the plant can be grown in a pot in colder regions and is mature plant cold hardy at least to 30s F for a short time in USDA Zone 9-11.
Prior to planting outdoors, it is important to select a suitable planting site and prepare the soil. The site should be placed in full sun exposure and have well draining soil. Once planted, Echium wildpretii needs only moderate water and minimal fertilization. Echium wildpretii benefits from pruning in early spring when a rosette of leaves appears and continues to grow up to a mallow like shrub. During spring and summer, regular watering is essential to keep the soil moist but not soggy. Pruning is not necessary, but if needed it should be done lightly and with sharp, clean tools.
In order to keep the Tower of Jewels healthy and thriving, it should be protected from harsh winter conditions. A thick layer of mulch and a covering of cloth or other protective material over the plant is recommended. If grown in a pot, the pot should be moved indoor or covered with a frost cloth during the coldest months. This will help protect the plant from extreme cold and help it survive and even thrive in colder climates.
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