This research was aimed to determine how the effect of various sizes of nursery trays and watering intervals on the nursery of cayenne pepper plants of the bara varieties. This study was conducted in Sukarami District (2°56'30.9"S 104°44'14.9"E), Palembang, South Sumatra, from August to September 2023. The research used splitplot design with 2 treatment factors. The main plot was Nursery Tray…