Petco’s wild bird seed is a good choice only if the bag you pick is mostly black oil sunflower and other seeds birds actually eat. Petco sells several brands and blends, so there is no single answer. Read the ingredient list and match it to the birds you want in your yard instead of buying on the label photo.
What to look for in a Petco seed blend
Cornell Lab’s All About Birds guide gives a simple rule: black oil sunflower attracts the widest variety of seed-eating birds, and most other seeds appeal to a narrower group. Use it to check any mix on the shelf:
- Black oil sunflower: thin shell, high in fat, eaten by cardinals, chickadees, finches, nuthatches and more.
- Safflower: liked by cardinals and doves, and generally avoided by house sparrows, starlings and squirrels.
- White proso millet: good for ground feeders such as juncos and sparrows, but also draws cowbirds and house sparrows.
- Nyjer (thistle): small finches, best in a dedicated feeder.
- Milo and cracked corn: cheap fillers that mostly feed unwanted birds. Cracked corn can carry aflatoxins if it gets wet.
Is rapeseed a good ingredient?
Some blends include rapeseed. All About Birds lists it among seeds that only a few birds eat, so it often ends up wasted at the bottom of the feeder. Seeds like golden millet, red millet and flax are in the same category. A mix with a lot of these fillers is poor value even if the bag is cheap.
Does Petco seed attract cowbirds?
Any mix with a lot of millet, milo or cracked corn can attract cowbirds, blackbirds and house sparrows. If those birds crowd your feeder, switch to straight black oil sunflower or safflower, or use a feeder designed to limit large birds.
How to choose a bag at Petco
- Turn the bag over and read the ingredients, not just the front.
- Prefer a blend that lists sunflower first and has few small round filler seeds.
- Check the date and avoid bags with holes, dust or a musty smell.
- Buy a size you will use within a couple of months.
- Store seed in a sealed, dry container and keep feeders clean to prevent mold.
Other places to buy
Compare prices and blends with our guides to Ace Hardware wild bird seed, Walmart’s 40 lb seed and Chewy’s wild bird seed. If you want to simplify, our wild bird sunflower seed guide covers the best single-seed option.
Bottom Line
Petco wild bird seed can be a good choice when it is sunflower-forward and fresh. Read the ingredient list, skip blends heavy in fillers, and keep your feeder clean. If you find a sick or injured wild bird, contact a licensed wildlife rehabilitator.
