Floodlit illumination emphasises the shape of the tree crown as a solid volume. Positioning the luminaires close to the tree underlines with grazing light the texture of the crown and of the trunk. The illumination from below brings out the three-dimensionality of the crown when the foliage is quite open.

Rounded, weeping trees with dense, low hanging foliage that cannot be seen through, lend themselves to floodlit illumination and the luminaires are best positioned outside the area under the tree. On spreading trees with thin, see-through foliage, illuminating from within the area under the tree, using uplights allows the whole tree crown to appear aglitter. Illuminating a tree with grazing light requires a flat incident beam at approximately 15 degrees. Spherical trees require a greater distance between luminaire and crown than columnar trees do here. Narrow-beamed uplights are particularly suitable for lighting high palms. The desired illuminance must be selected to suit the reflectance of the leaves.


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