| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 111421 | 111421 | 111421 | Azalea farming | |||
| 111421 | 111421 | 111421 | Christmas tree growing | |||
| 111421 | 111421 | 111421 | Corms farming | |||
| 111421 | 111421 | 111421 | Field nurseries (i.e., growing of flowers and shrubbery) | |||
| 111421 | 111421 | 111421 | Flower bulb growing | |||
| 111421 | 111421 | 111421 | Fruit stock (e.g., plants, seedlings, trees) growing | |||
| 111421 | 111421 | 111421 | Herbaceous perennial growing | |||
| 111421 | 111421 | 111421 | Nursery stock growing | |||
| 111421 | 111421 | 111421 | Nursery with tree production (except for reforestation) | |||
| 111421 | 111421 | 111421 | Preseeded mat farming | |||
| 111421 | 111421 | 111421 | Propagation material farming | |||
| 111421 | 111421 | 111421 | Rose bush growing | |||
| 111421 | 111421 | 111421 | Short rotation woody tree growing (i.e., growing and harvesting cycle ten years or less) | |||
| 111421 | 111421 | 111421 | Shrubbery farming | |||
| 111421 | 111421 | 111421 | Sod farming | |||
| 111421 | 111421 | 111421 | Tissue culture farming | |||
| 111421 | 111421 | 111421 | Tree crop farming (except forestry), short rotation growing and harvesting cycle | |||
| 111421 | 111421 | 111421 | Turf farming |