Viper Bugloss

Herbaceous

Viper Bugloss

Echium vulgare

Also known as: Blueweed, Blue Devil

Herbaceous Boraginaceae PollinatorWildlife AttractorBorder PlantAnimal Fodder
Hardiness Zone
3-8
Ideal Temp
45–75°F
Survives Down To
-30°F
Life Cycle
Perennial

Viper bugloss is a dramatic biennial — first year a bristly rosette, second year a spike of intense blue flowers that honey bees mob. It reseeds like it has something to prove. Note the dark side: it is listed invasive in parts of North America, and honey heavy on Echium can carry alkaloids — another reason backyard beekeepers should know their bloom calendar. subtropical and tropical Americas is on the warm edge; it may finish its life cycle fast in hot wet summers. Treat as a self-limiting experiment, deadhead if you fear spread, and pull volunteers where they are unwelcome. ☀️💧 Sun and Water: - Full sun for stiff, upright bloom. - Well-drained, poor-to-average soil; too much fertility = flop. - Moderate water; drought-tolerant once taproot develops. ✂️ Propagation: - Seed in late summer or fall; needs light to germinate — surface sow. - Thin to avoid crowding rosettes.

Good Neighbors
  • Yarrow
  • Phacelia
  • Dill
Cautions
  • Rich, constantly wet soil
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Flea Beetles
Alticini