It's frustrating to carefully plant seeds only to have birds feast on them. Fortunately, there are several effective, humane strategies to protect your urban garden.
Physical barriers are the most reliable method. Cover your planter boxes with bird netting, ensuring it's elevated a few inches above the soil so birds can't reach through. Alternatively, use floating row covers or chicken wire. For smaller areas, creating a simple cage from wire mesh can be very effective.
Visual and auditory deterrents can startle birds and keep them away. Hang old CDs, reflective tape, or commercially available scare tape near your planters. The moving light and reflections are unsettling to birds. You can also use fake predators, like plastic owls or rubber snakes, but remember to move them regularly so birds don't become accustomed to them.
Natural repellents can make your seeds less appealing. Sprinkle a light layer of cayenne pepper or chili powder over the soil. Birds dislike the capsaicin, but it won't harm them or your plants. You can also mix in some mustard powder. Another trick is to use decoy food; place a bird feeder filled with a preferred seed like millet away from your planter boxes to draw birds to a different spot.
Modify your planting technique. After sowing seeds, cover them with a thicker layer of soil than recommended, or use a light covering of straw or mulch to hide them from view. Starting seeds indoors and transplanting seedlings, which are less attractive to birds, is another excellent long-term strategy.
Consistency is key. Birds are intelligent and will quickly learn if a deterrent is not maintained. By using a combination of these methods, you can successfully protect your seeds and enjoy a thriving urban garden.