ww veged under mh will retain compact growth once yo hange to hps it will stetch about 15-20% i flower at 5 weeks from soil to tip 2.5 feet flowered that plant gets 4.5 feet my adverage yeild 5.5-6.5 oz per plant dried from 12/12 to finish my usually take 66 days of flower. top cola on a 1k light 14 inches. i love this strain dont cut it early it is a late finisher if you want super frost buds