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Brilliant orange flowers of Lampranthus aurantiacus giving spring colour to the exotic living roof. Photo: Emma Bodley.
Source publication
An extensive living roof is constructed with load bearing structures with a deep layer of soil media that supports a range of plants. Living roofs have environmental benefits, particularly in an urban setting, such as slowing water runoff and promoting evapotranspiration. Auckland Botanic Gardens (ABG) has been trialling different native and exotic...
Context in source publication
Context 1
... generally grown better at the lower end of the roof and Aloe at the higher (and slightly drier) end. The hot flower colours were selected for early spring interest. The summerdormant bulb Ornithogalum dubium (South African sun star) was planted through Lampranthus species, which provided pink, yellow and red flowers and included L. aurantiacus (Fig. 4). The orange sun star flowers on 100 to 200 mm spikes added interest to the roof in early summer. In 2011 clumps of Iris 'Magnolia' were planted. In 2012 more Neoregelia and other small (foliage <200 mm high) bromeliad hybrids were interplanted along with Ruschia maxima, Tulbaghia violacea and low-growing Gazania and Sedum ...
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