The chosen culture was the Rosa hybrida “Ambiance” grafted on Natal–Bryan rootstock. The culture was transplanted into 24 beds measuring 2.70 m wide, 0.40 m high, and 2.70 m long. The rosebushes were spaced at 0.15 m with a total of 21 plants in each row. Each bed consisted of three rows spaced at 1.20 m.