The Lamiastrum galeobdolon is a genus from the mint family (Lamiaceae) and is commonly named yellow archangel, yellow lamium, false lamium, or yellow deadnettle. The yellow archangel is native to Europe and Western Asia. The old name Lamium galeobdolon is often used for the yellow archangel, but no longer correct.
The common name archangel refers to the wing-like shape of the leaves of this plant. Lamiastrum means ‘looks like Lamium’ referring to the similar-looking deadnettles. Lamium comes from the Greek word lamos which means throat. That refers to the throat-like appearance of the corolla.
The Lamiastrum galeobdolon prefers a moist, well-drained, shaded spot, but also tolerates warmth and drought. It spreads rapidly and can be invasive. The yellow archangel grows fast and as soon as the nodes of the stem touch the ground they will develop roots. It also spreads by seed and root and stem fragments.
The Lamiastrum galeobdolon ‘Herman’s Pride’ is a positive exception. This plant grows more upright and compact. The Lamiastrum galeobdolon ‘Herman’s Pride’ and forms a slowly spreading clump which you can dig up and divide. The leaves of the Lamiastrum galeobdolon ‘Herman’s Pride’ are narrower and pointier.
The yellow archangel is very suitable for dry and shaded spot like for example under a tree. The green and white leaves are very ornamental. Also the yellow flowers brighten up the shade. In mild winters this is an evergreen plant.
Attracts bees: yes
Exposure: part shade/shade
Flower colour: yellow
Flowering time: April – May
Foliage colour: green/white
Fragrant flower: no
Hardiness: -25 ºC (-13 ºF)
Height: 10 inches (25 cm)