Flowering was the earliest (205 d) when 20-d old plants were grown under 30% SH during the entire three stages (July 1 through October 31). Longer than 215 d to flowerwas required when plants received ND + 14HID during stage 3 (ST 3) (September 21–October 31). The number of flowers was highest (22) when grown under 30% SH during ST 1 (July 1–August 10) followedby ND or ND + 14HID during the ST 2 (August 12–September 20) or ST 3.