Propagate commercially with terminal cuttings 5–7 cm long, or suckers. Plant at 30 x 30 cm on one side of ridges (about 1,11,000 plants/ha). The source gives June–July for this planting, and April–May for September–December flowering in Tamil Nadu.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Chrysanthemum – Propagation and planting, p. 256