S. sediforme plants were propagated at the Laboratory of Floriculture and Landscape Architecture. More specifically, 400 apical stem cuttings with a length of 5 cm were received from mother plants on 15 October 2009 and placed in 50 mm × 50 mm × 50 mm pallets filled with 30% sandy loam soil, 40% peat, and 30% perlite. A rooting hormone (IBA, Rooton DP) was placed at the basal end of the cuttings to promote rooting and the cuttings were then placed in a greenhouse. Cuttings were irrigated daily for the first 2 months and then irrigation was reduced to a single application every 4 days. On 19 March 2010, plants were chipped at 7 cm height to produce uniform plant material and were transplanted into the field experimental plots. Nine S. sediforme plants were transplanted in a grid-like pattern within each experimental plot with a spacing of 15 cm × 15 cm between adjacent plants. Irrigation was applied daily during the first 2 months after transplanting, and it was subsequently reduced to once every 4 days until the initiation of the first water-stress period (8 July–11 September 2010). Fertilisation was applied with a slow-release fertiliser comprised of 16-7-15 (16N-3.1P-12.5 K) + 1.2 Mg + 3.6 S with 2.1% NO3−-N, 7.9% NH4+-N, 6% N′-(2-methylpropyliden)-bis-urea (Floranid Permanent, Compo Hellas S.A., Greece) on 19 May 2010 and 24 June 2011 at a rate of 6.66 g m−2. Hand weeding was performed twice over the course of the study (2 June 2010 and 14 April 2011).