What Are the Sunlight Requirements for viper's bugloss?
Full sun

viper's bugloss · Echium vulgare
Also known as: adderwort; blue devil; blue thistle; blueweed; bugloss; cat's tail; North American blueweed; snake flower; viper's grass; viper's herb
Grow in a moderately fertile, well-drained soil in full sun. Suitable for annual border or wildlife garden
Full sun