A professional who plants, cultivates, and harvests horticultural specialties, such as flowers and shrubs, and performs related duties in environmentally controlled structure, applying knowledge of environmental systems. Respnsibilities include:

• Ascertains growing schedules and deviations from established procedures from grower or manager.
• Sows seed and plants cuttings.
• Looks at and feels leaf texture, bloom development, and soil condition to determine nutrient and moisture requirements and to detect and identify germ and pest infestations.
• Sets fertilizer timing and metering devices that control frequency and amount of nutrients to be introduced into irrigation system.
• Applies herbicides, fungicides, and pesticides to destroy undesirable growth and pests, using spray wand connected to solution tank.
• Reads and interprets sensing indicators and regulates humidity, ventilation, and carbon dioxide systems to control environmental conditions.
• Grafts scions to seedling stock.
• Pollinates, prunes, transplants, and pinches plants, and culls flowers, branches, fruit, and plants to ensure development of marketable products.
• Harvests, packs, and stores crop, using techniques appropriate for individual horticultural specialty.
• May maintain and repair hydroponic and environmental control systems.
• May mix planting soil, following prescribed procedures.
• May record information, such as chemicals used, grafting performed, and environmental conditions, to maintain required records.
• May maintain and repair structures, using materials, such as corrugated fiberglass panels, lath, glass panes, and putty, and tools, such as hammer, saw, and putty knife.
• May be designated according to work location as Greenhouse Worker; according to techniques employed as Hydroponics Worker; or according to horticultural specialty as Orchid Worker.