What Is the Best Bird Food for Cardinals
You’ll attract cardinals fast with black oil sunflower seeds-they’re packed with fat and protein, have thin shells that crack easily, and birds ignore fillers like milo. Try safflower seeds to deter squirrels and grackles, or offer crushed peanuts and Bark Butter Bits in hopper feeders with wide perches. Place feeders near shrubbery, 10 feet from hiding spots, and skip reflective surfaces. You’ll see how small changes boost visits.
We are supported by our audience. When you purchase through links on our site, we may earn an affiliate commission, at no extra cost for you. Learn more. Last update on 19th July 2026 / Images from Amazon Product Advertising API.
Notable Insights
- Black oil sunflower seeds are the top choice for cardinals due to high fat, protein, and easy shell-cracking.
- Safflower seeds attract cardinals while deterring squirrels, grackles, and starlings.
- Crushed peanuts provide energy-rich fat and protein, especially beneficial in cold months.
- Bark Butter Bits and homemade suet cakes with peanut butter and oats support cardinal nutrition year-round.
- Use platform or hopper feeders near shrubbery to offer cardinals safe, accessible feeding with preferred foods.
What Cardinals Love to Eat Most
Most cardinals can’t resist black oil sunflower seeds, and for good reason-they’re packed with high-fat nutrition, have thin shells that are easy to crack with a cardinal’s strong beak, and provide the sustained energy these birds need year-round. You’ll notice cardinals love these seeds most, but they also go for safflower seeds, which squirrels and grackles tend to avoid-making them a smart, low-waste option. Crushed peanuts are another favorite, especially in winter, offering protein and fat for energy. Try mixing in Bark Butter Bits; this suet-based blend of roasted peanuts and grains sticks well in feeders and stays nutritious in cold weather. Cardinals also eat fruits, berries, and suet cakes-especially homemade ones with peanut butter and oats. These high-energy foods keep cardinals healthy, active, and visiting your yard daily. Offer variety for best results, and watch as cardinals dominate your feeder with bold confidence.
Black Oil Sunflower Seeds: The #1 Cardinal Magnet
Black oil sunflower seeds are the top pick for drawing cardinals to your yard, and once you see how quickly they’re devoured, you’ll understand why. These nutrient-dense seeds are rich in fat and protein, giving cardinals the energy they need, especially in winter. Their thin shells are easy for cardinals to crack with their strong beaks, revealing the tasty, oil-rich kernel inside. Unlike filler seeds like milo or millet, black oil sunflower seeds aren’t ignored-they’re a true favorite. If you want to attract cardinals, fill your bird feeders with this go-to seed. They work especially well in hopper, platform, or tube feeders with wide perches that support a cardinal’s stocky 1.5-ounce frame. Real users confirm: offer black oil sunflower seeds, and cardinals show up fast. It’s one of the most reliable ways to attract cardinals and keep them coming back.
Safflower Seeds: Keep Squirrels and Bullies Away
You’ve probably noticed how quickly cardinals flock to black sunflower seeds, but if you’re dealing with pesky squirrels or aggressive birds hogging the feeder, it’s worth switching to safflower seeds for a smarter solution. Safflower Seed’s hard shell deters squirrels and lessens waste, since many nuisance species avoid it. Cardinals happily eat Safflower and get needed fat and protein, especially in winter. Unlike generic seed mixes, pure safflower keeps grackles and starlings away, reducing bullying at feeders. It also resists mold and doesn’t attract small mammals like other feeds.
| Feature | Benefit for You & Cardinals |
|---|---|
| Safflower Seed | Cardinals love it, squirrels don’t |
| Hard shell | Blocks squirrels, reduces seed theft |
| High-fat, high-protein | Supports Cardinal health year-round |
How to Serve Peanuts and Suet for Maximum Appeal
Peanuts and suet aren’t just treats - they’re energy powerhouses that cardinals turn to when the weather turns cold and food gets scarce. Offer crushed peanuts in hopper feeders or platform feeders with wide perches and open seed ports, like the 24-inch Cedar Pavilion, so cardinals can feed comfortably. These birds love high-fat foods, and peanuts deliver the protein and calories they need. For suet, try Bark Butter Bits-made with rendered beef suet, roasted peanuts, and soy oil-or homemade cakes with peanut butter, sunflower seeds, and oatmeal. Load them into wire suet cages, such as those on the Bamboo Hopper or Cedar Double Hopper, where the texture sticks well and stays accessible. Position suet feeders near shrubbery for safety and use covered models to keep the contents dry. Cardinals will visit regularly when you serve suet and peanuts the right way.
Best Feeders for Cardinal Food and Suet
While cardinals are drawn to high-energy foods like sunflower seeds and suet, choosing the right feeder makes all the difference in keeping them coming back, and you’ll want models built to handle their size-around 1.5 ounces with a broad, sturdy frame. Opt for a hopper feeder or platform design that supports bird feeding ease and durability.
| Feeder Model | Key Features | Best For |
|---|---|---|
| EcoTough Classic | 3-quart capacity, 13¼” tall | Seeds & suet |
| Big Tube Feeder | 6 metal ports, 20″ tall | Cardinals |
| Metal Cardinal Feeder | 11″ mesh, extended roof | Seed access |
| Wire Suet Feeder | Holds thick suet mix | Bark Butter Bits |
| Cardinal Rustic Hopper | 13″ hopper, 2 suet cages | Dual feeding |
Look for sturdy feeders with ample space-your Cardinal will appreciate the room to perch and dig into seeds or suet.
Place Food Where Cardinals Feel Safe
Where do cardinals feel safest while feeding? Cardinals, like many wild birds, prefer to feed close to dense shrubbery or trees where they can quickly escape predators. To attract cardinals, place your feeders near protective cover but keep them at least 10 feet away from low bushes where black cats or other hunters might hide. Use sturdy platform or tray feeders, like the EcoTough Covered Ground Tray Feeder (18¼ x 16½ x 9½), which shields food and offers birds a secure, open-viewing space. Elevate feeders on stable mounts-the EcoTough Classic Bird Feeder weighs 7 lbs. unfilled-for added stability. If squirrels aren’t a problem, scatter some seed on the ground beneath sheltered cover. This mimics natural feeding behavior and encourages more bird visits. Positioning matters: smart placement keeps birds safe, active, and returning.
Stop These Cardinal Feeding Mistakes
Why are your cardinals not showing up-or worse, acting stressed? You might be making common feeding mistakes. Avoid lightweight hanging feeders; cardinals, weighing just 1.5 ounces, need sturdy platform or tray feeders to perch securely. Skip seed mixes with fillers like milo, millet, or cracked corn-cardinals toss them out, wasting food and attracting rodents. Instead, use high-quality wild bird seed in a seed tube designed for larger birds. Don’t place feeders near low shrubs where predators hide; cardinals prefer open access with nearby trees or dense foliage that helps keep them safe. Avoid reflective surfaces-these trigger territorial attacks. And never use insecticides, herbicides, or fertilizers near feeding zones; chemicals can poison wild birds. Providing the right setup supports a healthy variety of birds and keeps cardinals coming back, calm and confident.
On a final note
You’ll keep cardinals coming back by sticking with black oil sunflower seeds-they’re rich in fat, easy to crack, and loved by 9 out of 10 cardinals in backyard tests. Add safflower to deter squirrels and aggressive birds, and offer crushed peanuts or suet in cage feeders, 5 feet off the ground. Use hopper or platform feeders near cover, and clean them monthly. Skip bread or fillers; they offer little nutrition.





