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How Bobbex Deer and Rabbit Repellent Works

The dried eggs are only one source of taste/odor repelling ingredients in Bobbex. In addition to the eggs, Bobbex uses other proteins: fish meal, fish oil, meat meal, and two non-protein repellent ingredients added for odor control; garlic and castor oils.

The key to Bobbex’s success is the use of proteins and the redundancy of protein repellent ingredients. Most repellents use one to three repellent ingredients, Bobbex uses six. Bobbex is classified as a fear repellent. Deer, being herbivores are naturally repulsed and frightened by protein smells. It is odd to them and scares them, one reason why the products are so effective.

In periods of rapid growth, all topical and granular repellents need to be reapplied. Bobbex promotes dual application instructions (see below), essential for continued protection. The only time longevity really matters is in dormant times (winter). All other times of the year, plants continue to grow and will out-grow the last application. Product will need to be re-applied prior to the deterioration of the initial application.

Application Instructions

Bobbex can be and should be used all year. Before spraying, make sure the plants are dry. Bobbex will not stick well to wet surfaces. Also Bobbex will require approximately 6 hours of drying time to adequately adhere to plant surfaces.

Spring Begin by spraying in the spring when the plants are approximately ½ inch out of the ground.The use of Bobbex should be accelerated in spring due to the rapid growth of plant material. Bobbex should be sprayed every 10 to 14 days or 2 inches of new plant growth, since new growth is unprotected.

Summer Bobbex should be sprayed in the early morning hours rather than the extreme heat of the day. If sprayed when temperatures are above 30° C, plants may encounter phyotoxicity. This is not due to the ingredients in the product, but rather the magnification of the sun through the water spread on plant’s surfaces.

Fall/Winter Bobbex should be used in fall months even though plants are no longer at their peak. If applications of Bobbex are interrupted, deer may lose their conditioning to avoid previously treated plants. Regular spraying of Bobbex trains deer to seek nourishment elsewhere.

Bobbex is necessary in the fall and winter months for damage prevention to shrubs that keep their leaves throughout the year. These shrubs include rhododendrons, arborvitae, holly, and yews. (The last three plants are some of the more preferred plant material by deer).

In the winter, applicators should wait until temperatures rise above 2° C. This will prevent the mechanical action of water freezing on leaves and drawing out the moisture from the leaf. This may cause browning along leaf edges. These cautionary recommendations apply to all water-based horticultural products.

Will Bobbex products freeze? Yes, Bobbex products will freeze, however upon thawing they can still be used. The only detriment to freezing is that the bottoms of the containers will round out, preventing the bottle from standing upright, which may cause spillage.

Bobbex can be used on all types of ornamentals, trees and shrubs. Bobbex should not be used on food plants when fruits, vegetables or herbs are already developed. Applicators can spray up to the point where the fruit develops on the plant.

Remember new growth is unprotected growth. A repellent is effective only as long as it covers the new growth.

Bobbex is used as a topical spray on plant material. Spray Bobbex lightly on plant material, wetting both sides of plant foliage, including buds and flowers, until the first drop falls off the leaf. Plant surfaces should be dry and applicators should allow 5 to 6 hours of dry time in humid climates and 2 to 3 hours in arid climates before forecasted rain or irrigation. Proper drying time will allow the product to set properly on plant surfaces and become water insoluble. Bobbex is actually good for plants so applicators cannot overspray the product. Watch the video below for more information on using and applying Bobbex products.

Dilution Ratios for all Bobbex Concentrate Products

  • Shake well before mixing.

  • Dilute 1 ounce of Bobbex Concentrate to every 5 ounces of water. (21 ounces of Bobbex Concentrate makes 1 gallon of diluted Bobbex). Shake well.

  • Spray plants when temperature is between 2° and 30° C.

  • Spray on dry plants and allow product to dry completely before watering or rain.

  • Spray diluted product to the entire plant until wet but not dripping.

  • Re-apply after 28 days for conifers and 14 days for all other ornamentals if risk of feeding damage persists.

  • Re-apply as required in heavily-browsed areas.

  • Always spray new growth.

  • Rinse sprayer nozzle after every use.

Dilute only the amount of Bobbex you intend to spray. Diluted mixture should be used within 5 days. To clean the tank, rinse tank with a mild soapy water solution and spray through the hose.

Store the unused, undiluted portions of Bobbex in a cool dry place. *All instructions, tips, spray schedules and ratios apply to all Bobbex Concentrate products.