A picture of a Gentian

Gentian

Gentiana spp.

Full Sun
Moderate watering
Frost Hardy

H5

RHS hardiness

-15°C

Minimum temperature

Expected size

Height
Spread

Max

Min

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Gentian

A photo of Gentian
A photo of Gentian
A photo of Gentian
A photo of Gentian
A photo of Gentian

Gentian Overview

Genus with around 360 hardy, evergreen or semi-evergreen, annual, biennial or perennial plants that produce blue, trumpet-shaped flowers. Sometimes red, white or yellow blooms are seen, but blue is most common. These species are well suited to growing in rock gardens.

Common problems with Gentian

How to propagate Gentian

Division

Propagate by division or offshoots in spring. Divide autumn flowering species and G.clusii every 3 years in early spring and replant in fresh soil.

Seed

Seed in autumn.

Other uses of Gentian

Grown for their usually blue flowers. Is excellent for rock gardens and peat beds.