Belfast Botanic Gardens Tree Archive
This is one of a series of short articles about trees in the Belfast Botanic Gardens compiled by the Friends group. The tree tag number relates to the small aluminium discs, usually fixed on the tree trunk, 2 to 3m above ground level.
Cedrus atlantica 'Glauca'
54 deg 34.989N
5 deg 56.126W
The blue cedar is a form of the Atlas cedar ( C. atlantica
from the Atlas mountain in Algeria and Morocco. It was introduced in about
1840. The blue form is one of the most spectacular blue conifers and was awarded
the RHS First Class Certificate in 1972 and the Award of Garden Merit in 1984.
There are 4 species of the genus Cedrus
, one of which is the deodar
of which there are several in the Botanic Gardens.
The other three are C. atlantica
, C. libani
(cedar of Lebanon)
and C. brevifolia
(Cyprian cedar). Some authors consider these three
to be geographical sub-species of C. libani
. The cedars have a distinctive
leaf arrangement. On one-year old stems, the leaves are arranged in a spiral
on the stem, but in older twigs and branches all the leaves are in bunches
on short stubby shoots. This arrangement is also seen in Ginkgo
and the Larches ( Larix
sp). The cones of cedars break up and shed
their seeds while still attached to the branches so are seldom seen on the
ground unlike the cones of pine trees
Photos taken in Belfast Botanic Gardens in 2009 and 2010. Copyright: Friends of Belfast Botanic Gardens.
Click here to view the rest of the tree archive