A professional who plants and cultivates trees, such as apple, orange, and walnut, and harvests fruit and nut crops, applying knowledge of horticulture and market conditions. Respnsibilities include:

• Determines varieties and quantities of trees to be grown, acreage to be tilled, and employees to be hired.
• Selects and purchases tree stock and farm machines, implements, and supplies.
• Decides when and how to plant, bud, graft, cultivate, irrigate, and prune trees and harvest crop, based on knowledge of tree-crop culture.
• Attaches farm implements, such as plow, disc, and harrow, to tractor and drives tractor in fields to till soil.
• Plants root stock, applies fertilizers, insecticides, and fungicides, and irrigates fields.
• Prunes growing trees to develop desired size and shape.
• Assigns duties to farmhands and explains orchard work techniques and safety regulations to inexperienced workers.
• Maintains employee and financial records.
• Arranges with buyers for sale of crops.
• Lubricates, adjusts, and makes minor repairs on farm machinery, implements, and equipment, using oilcan, grease gun, and handtools.
• May bud and graft stock.
• May plant ground crops to shade ground, conserve moisture, and improve soil.
• May be designated according to crop grown as Apple Grower; Cherry Grower; Filbert Grower; Lemon Grower; Nut Orchardist; Orange Grower.
• May be designated. Respnsibilities include:
• Peach Grower; Pecan Grower; Tung-Nut Grower; Walnut Grower.