Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.

Polemonium caeruleum L. var. gracile

See also Polemonium caeruleum L.  In the variety gracile the lower leaves are up to 25cm long and smooth.  [RHSD].

Horticultural & Botanical History

Introduced to Britain in 1818.  [PD].

History at Camden Park

Hand written in an 1850 catalogue held at Camden Park with the number 185/2 [CPA].  Certainly grown in the gardens at this time.


Published Feb 06, 2009 - 04:35 PM | Last updated Jul 29, 2010 - 05:17 PM

Family Polemoniaceae
Region of origin

Europe, Asia, North America

  • Polemonium gracile Willd.
Common Name

Greek valerian, Jacob’s ladder

Name in the Camden Park Record

Polemonium gracilis 

Confidence level high