Table 7: The effect of substrate type on the rooting percentages of Calluna vulgaris heel cuttings harvested in March and planted outdoors. Mean values ± standard deviations. Groups that showed significant differences ( ) are indicated with different letters.

Substrate Percent rooting

Native soil4 × 1080.0 ± 10.0a
Native soil : perlite (3 : 1) 4 × 1095.0 ± 10.0a
Peat : Perlite : vermiculite (2 : 1 : 1) 4 × 1062.5 ± 9.6b
Peat : perlite (1 : 1) 4 × 1045.0 ± 12.9c