Peat Walls

The terraced Peat Walls were constructed in 1939 for plants that like moist, acid soil conditions. They were copied from those created by the McDouall brothers at Logan Botanic Garden for their Sino-Himalayan treasures a few years previously. Moss and liverworts can be a problem and regular replanting and dividing is required. The peat blocks, which are taken from a low-grade site, are only replaced every 15 years.

The beautifully structural flowers of Paris polyphylla. Plants grown in the Peat Walls include Cassiope, dwarf rhododendrons, Meconopsis, Nomocharis, gentians, trilliums and Phyllodoce.

Gentians also feature prominently, as RBGE grows 75 of the 400 species, and in spring and September the creeping plants with their blue flowers are unmissable.

Renovation 2010 

Cymbalaria muralis taking over the Peat Walls. Unfortunately a pernicious and perennial weed, Cymbalaria muralis (ivy-leaved toadflax), has become such a problem that we have decided to renovate these beds. All woody plants in the bed are being propagated while the herbaceous species have been lifted and painstakingly washed and cleaned. The bed will then be treated to remove perennila weeds.  In the meantime we ask that you please excuse the lack of plants in this area!

Winter 2011

Construction work has started using peat blocks obtained from Scandinavia, which would otherwise have been used for power generation. But in Edinburgh they will make a fantastic home for many new ericaceous (peat loving) plants

09 12 2011 Peat walls

Other garden features include....

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Gentiana ‘Inverleith’ growing on the Peat Walls.

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The Royal Botanic Garden Edinburgh is a charity (registration number SC007983)