How to Keep Yellow Jacket Wasps Away
To keep yellow jacket wasps away, hang up a crumpled brown paper bag in your yard so the wasps think there's already a nest there. You can also try putting slices of cucumbers around your yard, which wasps don't like. Try not to leave any sugar or food outside or you could attract more wasps. If wasps do decide to show up, you can get rid of them by spraying them with soapy water.
Store your garbage in sturdy containers with lids that close tightly. Garbage will attract yellow jackets, who are attracted to protein foods and sugar. Make sure that your outdoor garbage containers remain closed at all times. Each container should have a sturdy lid that closes firmly to keep pests out. Garbage dumpsters should have heavy, swinging doors that are kept closed at all times. Avoid letting your garbage pile up too much in outdoor bins, as you will be unable to close them properly if they are too full. Buy multiple bins if necessary. Dispose of fallen or overripe fruit under fruit trees. If you have fruit trees in your yard, you will be vulnerable to yellow jackets and other flying insects. Regularly inspect your fruit trees and remove any overripe or rotten fruit. Pick up fallen fruit around the perimeter of your trees and dispose of it immediately. Dispose of fruit in a sealed plastic bag to avoid attracting yellow jackets. Compost fruit and vegetable remnants at least 3 inches (7.6 cm) deep. Avoid leaving any pieces of fruits or vegetables on the top of your compost heap, where the juices may attract yellow jackets. Instead, cover them with a few inches of brown compost material to bury them thoroughly. This material may include dry leaves, wood shavings, straw, hay, wood chips, or shredded cardboard. To keep yellow jackets and other pests away, it is best to use a compost bin as opposed to an open compost pile. Drink beverages from cups with lids when you are outdoors. Yellow jackets are attracted to many beverages, particularly sugary drinks like soda or juice. To prevent one of these insects from entering your drink container, opt for a cup with a lid over cans or open glasses. Dispose of your drink container right away after finishing your beverage to keep yellow jackets at bay. Drinking from a can that a yellow jacket has entered will likely result in being stung on the lips. Fill rodent burrows in your yard to stop yellow jackets from nesting there. Unlike other flying insects, yellow jackets will sometimes nest underground. To prevent his, scan your yard for any holes in the ground dug by rodents or pets. Fill the burrows in with soil and pack them firmly to ensure that they are properly sealed off. Underground yellow jacket nests can be dangerous as simple tasks like using your lawnmower could trigger an attack. Seal holes that lead into your home with caulk to keep wasps out. Inspect the outside of your home for any signs of wear and tear, as wasps and other insects can use small openings to gain access and build a nest inside. Use a caulking gun to fill gaps, holes, or cracks around the perimeter. Position the gun at a 45-degree angle and squeeze the trigger to distribute a thick stream of caulking into the spots you are filling. Acrylic caulking is suitable for holes smaller than 0.25 inches (0.64 cm), while holes larger than 0.25 inches (0.64 cm) should be filled with polyurethane caulking. Infestations of yellow jackets into your home will most likely require the expertise of a professional exterminator. Hang up a fake wasp nest to warn away yellow jackets. Wasps are territorial and will not make a nest within a few hundred feet of where one is already situated. Purchase a fake nest online or in a local hardware store. Hang the nest in a visible spot near your home to keep yellow jackets and other wasps at bay. Purchase a fake nest that is weatherproof and durable. Find and destroy small nests in the late spring and early summer. Yellow jacket colonies are started in the late spring or early summer when the queen sets up small nests to produce a new population of workers. You can prevent this development by looking for small nests that may be hanging under awnings, railings, doorways, or nooks outside your home. Knock down the nests with gloved hands or a large stick and promptly step on them to kill the egg cells inside. The queen is usually the only mobile resident of her nests in the late spring and early summer. Once nests are larger and worker wasps start emerging from them, it will be too dangerous to destroy them this way. Yellow jacket nests are round, paper-like, and have a small entranceway at the bottom. Coat the openings of above-ground nests with carbaryl pesticide at dusk. Approach yellow jacket nests at dusk, when the wasps are no longer active. Sprinkle carbaryl, a powder pesticide, onto a cloth or old paintbrush. Gently brush the pesticide around the entrance hole on the bottom of the nest, being careful not to clog it. Avoid shaking the nest, as it may prompt the wasps to attack. They will still swarm to protect their nest even when it's dark outside. The yellow jackets will collect the pesticide on their bodies as they leave and enter the nest, and then ingest it when they groom themselves. It should take about 5 days for the entire nest to be killed. To protect yourself when approaching wasp nests, dress protectively in a high-necked top with long sleeves, gloves, and a head net, hat, or a headscarf. Purchase carbaryl online or in hardware stores. Pour diazinon into underground nests and cover them with soil. At dusk, approach underground yellow jacket nests in your garden. Carefully pour liquid pesticide down the holes. Immediately toss a full shovel of soil on top of the hole to prevent the wasps from emerging. You can find diazinon in hardware stores as well as online. Don't squish yellow jackets as it will prompt an attack from other wasps. Avoid harming yellow jackets that cross your path. This causes a pheromone to be released which attracts other wasps, signaling them to attack. Instead, avoid them or sit still as they approach you and wait for them to leave. Use a non-toxic wasp trap to kill stray yellow jackets without chemicals. Fill the reservoir of your wasp traps with a liquid attractant such as sugar water or soda. Exhausted yellow jackets will approach the traps while they are out foraging and fall into them out of exhaustion. Clean and replace the traps every few days to dispose of dead insects. Purchase non-toxic wasp traps in garden centers, hardware stores, or online. Use at least 4 traps to deal with a yellow jacket colony. Bait traps attract yellow jackets, so they should be placed at least 20 feet (6.1 m) away from areas you spend a lot of time in. Build a trap of your own using a large soda bottle for a homemade option. Remove the plastic cap from a large plastic soda bottle and cut off the tapered top part of the bottle. Turn the top over and insert it into the open bottle to face the bottom. Fill the bottle about half full with soda, sugar water, or other appealing liquids. Wasps will fly in, have difficulty getting out, then fall into the liquid and drown. Empty and refill the soda bottle frequently to remove dead insects. 
Store your garbage in sturdy containers with lids that close tightly. Dispose of fallen or overripe fruit under fruit trees. Compost fruit and vegetable remnants at least 3 inches (7.6 cm) deep. Drink beverages from cups with lids when you are outdoors. Fill rodent burrows in your yard to stop yellow jackets from nesting there. Seal holes that lead into your home with caulk to keep wasps out. Hang up a fake wasp nest to warn away yellow jackets. Find and destroy small nests in the late spring and early summer. Coat the openings of above-ground nests with carbaryl pesticide at dusk. Pour diazinon into underground nests and cover them with soil. Don't squish yellow jackets as it will prompt an attack from other wasps. Use a non-toxic wasp trap to kill stray yellow jackets without chemicals. Build a trap of your own using a large soda bottle for a homemade option. 