This report contains the statistics on horticulture in six sections:

1. Flowers, plants, and vegetables grown under glass, and flowers grown in the open;
2. Nurseries;
3. Bulb farms;
4. Flower and vegetable seed production;
5. Mushrooms; and
6. Blueberries (including huckleberries).

These statistics were compiled from data obtained by a mail canvass at the 1930 census of agriculture, which was taken in conformity with "The act providing for the Fifteenth Census and for the Apportionment of Representatives in Congress," approved June 18, 1929.