See General Rules for the 4-H Exhibit Building (copyright, exhibit sizes, etc.)

Class 101A: Animal Science — Any exhibit (excluding an animal itself) which is an outgrowth of a small or large animal project or program including beef, dairy, goat, dog, horse, pets, poultry, rabbit,
sheep and swine. Ownership of an animal is not required for entry in this class. Exhibit topics might include, but are not limited to, selection, feeding, financial management, waste management, use of records, health care, housing or career opportunities.

Class 211A: Conservation — Any exhibit that is an outgrowth of a conservation project or program such as soil conservation, creating habitats, wetland restoration, energy conservation, planting
windbreaks, etc.

Class 701A: Crop Production — Any exhibit which is an outgrowth
of participation in a corn, soybean, small grain or forage project or program. If the exhibit involves a crop specimen, includethe variety and planting date. Exhibit topics might include, but are not limited to, variety selection, plant growth, planting, plant nutrition, weed, insect or disease control, environmental protection, harvesting, storage, marketing or career opportunities.

Class 221A: Entomology — A general or special collection from an entomology or bee project. (Excluding live specimen) or any exhibit which is an outgrowth of any entomology or bee project or program, such as life cycle, bee management practices, products (honey, wax) equipment, diseases, pests, habits of insects, insect genetics, IPM scouting, etc.

Class 706A: Forestry — General or special collection, i.e., leaves, seeds, etc.

Class 706B: Forestry — Any exhibit which is an outgrowth of participation in a forestry project or program such as insect or disease
control, growth stages, type of tree for intended use, etc.

Class 711A: Horticulture — An exhibit which is an outgrowth of participation in flower gardening and ornamentals, home garden, small fruit crop, and vegetable crop project or program. Exhibits might include such ideas or concepts as cultivars selection, plant nutrition, insect, weed or disease control, harvesting, preservation, marketing, careers, etc.

Class 711B: Home Grounds Improvement – An exhibit which is an outgrowth of participation in a home grounds improvement project or program. Exhibits might include ideas or concepts such as landscape plans, techniques, selection of landscape plants, garden design, garden features, careers, etc.

Class 720A: Plate of Vegetables — Vegetables must have come from exhibitor’s garden. Specimens should be prepared for exhibit as stated in the publication “Harvesting and Preparing Vegetables for Exhibit” (4H-462), available from the Extension Office. Exhibits must be labeled with the variety name. Only one variety per plate. Exhibitor must enter each plate of vegetables separately. Exhibits will not be selected from this class for State Fair exhibition. Members wishing to exhibit similar produce at Iowa State Fair must enter them by June 29th, 4:30 p.m. After judging, produce may be sold with the exception of one specimen per plate, which will remain on exhibition.

Class 720B: Flower Display -- Two blooms, displayed in pop bottle, labeled with proper name of flower. Each display will be a separate exhibit. Exhibits will not be selected from this class for State Fair exhibition. Members wishing to exhibit similar flowers at the Iowa State Fair must enter them by June 29th, 4:30 p.m.

Class 741A: Plant Science -- Any exhibit which is an outgrowth of a plant science project or program such as collections, plant growth, plant parts, soil structure, soil maps, germination, cross breeding, root systems, etc.

Class 231A: Veterinary Science — Any exhibit which is an outgrowth of a veterinary science project or program such as maintaining health, cause and prevention of disease, internal parasites, public health, careers, etc.

Class 911A: Fish & Wildlife — Any exhibit which is an outgrowth
of participation in the wildlife project or program such as fish and wildlife identification, observation, habitats, fish and wildlife harvest, other activities, etc.

Class 865A – Outdoor Adventures and Camping – Any exhibit which is an outgrowth of participating in an outdoor adventure or camping project or program such as camper safety, fire building, rainy day activities, outdoor cooking, day camp plan, selecting camping equipment, equipping a backpack, resource file of camping activities, orienteering, outdoor ethics, etc.

Class 301A: Other Agriculture and Natural Resources Ideas -- Any other exhibit which is an outgrowth of a 4-H agriculture and natural resources project or educational experience that does not fit any previous class listed.