Safflower seed, and the squirrel claim

This page exists because the claim is everywhere and its source is always the same place: the bag. That is worth separating out, because safflower does have genuine uses, and buying it for the wrong reason is how people end up with fewer birds and the same squirrels.

What each party actually says

That last detail is the most useful thing on this page. Kaytee lists blue jays among the birds its safflower brings. Wagner's offers safflower as a way to discourage feeder hogs. Both cannot be generally true, and the disagreement tells you how soft the behavioral claims in this category are.

What we judged on

1. Whose claim it is. A maker's statement about its own product is evidence of what the maker will say, not of what the animal does. Where an independent ornithological source agrees, we say so. Here it does not.
2. The published analysis. Safflower against sunflower on protein, fat and fiber, so the nutritional cost of switching is visible.
3. What the switch costs in species, on Cornell's assessment rather than the bag's.
4. Whether there is a mechanical alternative with a published mechanism. There is, and it is on this page.

The picks

Ranked picks with what each is best for, our score out of ten, the budget band it falls in, and a link to check its current price on Amazon.

#	Pick	Best for	Score	Price
01	Kaytee Cardinal Blend, 7 lbThree ingredients — sunflower, safflower, soybean oil — and 36% minimum fat, the highest published figure of any seed on this site. No corn, no millet, nothing to sort out.Under $25	Cardinals without the filler, and the highest published fat here	8.2out of 10	$14.95 · View on Amazon #ad Price as of October 17, 2026. How we are funded
02	Wagner's Safflower Seed, 5 lb (57075)The safflower bag whose maker states the squirrel case outright — "disliked by most squirrels" — which is exactly why it is worth reading what Cornell does and does not say back.Under $25	Cardinals, with the clearest published squirrel claim to test	7.2out of 10	$11.98 · View on Amazon #ad Price as of October 17, 2026. How we are funded
03	KayteeNo photoKaytee Safflower SeedThe same seed as any safflower, but Kaytee publishes 14% protein and 30% fat minimum against a 32% maximum fiber — and that fiber figure is the honest story of the category.Under $25	Safflower with the analysis printed on it	7.6out of 10	Check price on Amazon #ad Price as of October 17, 2026. How we are funded
04	Brome Squirrel Buster PlusA weight-activated shroud closes the ports under a squirrel, and the warranty is written for the lifetime of the original owner.Under $100	The squirrel problem, solved mechanically	8.6out of 10	$125.90 · View on Amazon #ad Price as of October 17, 2026. How we are funded

Live prices. The last pick is hardware rather than seed, and it is there because it is the answer with a published mechanism.

Pick 01

Cardinals without the filler, and the highest published fat here

Kaytee Cardinal Blend, 7 lb

Three ingredients — sunflower, safflower, soybean oil — and 36% minimum fat, the highest published figure of any seed on this site. No corn, no millet, nothing to sort out.

Score

8.2

Cardinal appeal

9.5

Bird range

6.5

Published detail

9.5

Value

7.5

Budget band

Under $25

$14.95 · View on Amazon

#ad Price as of October 17, 2026. How we are funded

Published specifications

Who publishes a guaranteed analysis

Kaytee prints a full guaranteed analysis and an ordered ingredient list for every product. Wagner's prints ingredients, bag sizes and its own claims, but no analysis anywhere in its range. Most other brands publish neither, which is why they are not on this site.

Ingredients, in the maker's order

Black oil sunflower seed; safflower seed; soybean oilSource: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Crude protein (min)

13.5%Source: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Crude fat (min)

36.0% — the highest published fat figure of any seed on this siteSource: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Crude fiber (max)

26.0%Source: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Moisture (max)

12.0%Source: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Birds the maker names

Cardinals, chickadees, nuthatches, grosbeaksSource: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

Bag sizes

7 lb and 15 lbSource: Kaytee Cardinal Blend product page, kaytee.com/all-products/wild-bird/cardinal, read 2026-10-17

What it gets right

• A three-ingredient mix is a blend of the two seeds cardinals actually eat, not a sunflower bag with corn in it
• 36% minimum fat beats straight black oil sunflower's 30%, which is the figure that matters in winter
• Combining sunflower and safflower hedges the safflower gamble — the birds that refuse safflower still have something to eat
• No milo, no corn, no millet, so nothing gets flicked onto the ground

What it does not

• 13.5% protein is below straight black oil sunflower's 15.5%, because safflower drags it down
• 26% fiber means a quarter of the bag is shell, and the hull pile is a sunflower hull pile
• Costs more per pound than buying the two seeds separately, for a ratio Kaytee does not publish
• Narrower species list than the Songbird Blend — this is a mix that excludes on purpose

Who it is for

A cardinal-focused feeder, and anyone who wants the safflower effect without betting the whole feeder on it.

Skip this if

You want ground foragers as well. Juncos, doves and sparrows want millet and cracked corn, and this bag deliberately has neither.

Pick 02

Cardinals, with the clearest published squirrel claim to test

Wagner's Safflower Seed, 5 lb (57075)

The safflower bag whose maker states the squirrel case outright — "disliked by most squirrels" — which is exactly why it is worth reading what Cornell does and does not say back.

Score

7.2

Cardinal appeal

8.5

Bird range

5.5

Squirrel evidence

5.0

Value

8.0

Budget band

Under $25

$11.98 · View on Amazon

#ad Price as of October 17, 2026. How we are funded

Published specifications

What safflower is actually claimed to do

Both makers here say squirrels dislike safflower's bitter taste. Cornell's own feeding guidance does not repeat that claim: it describes safflower as a food that "attracts cardinals and other big-billed birds" while noting that "most birds prefer sunflower seeds over safflower", and its squirrel advice is baffles, distraction feeding and capsaicin-treated seed instead.Source: Project FeederWatch (Cornell Lab of Ornithology), Feeding Birds: seed types, feeder hygiene and nectar, feederwatch.org/learn/feeding-birds, read 2026-10-17

Contents

Safflower seed; Wagner's lists no ingredient breakdownSource: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

Maker's squirrel claim

"Disliked by most squirrels" — and "most squirrels don't like the bitter taste so they will stay away as well"Source: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

Maker's nuisance-bird claim

Can "discourage the 'feeder hogs' like Grackles and Starlings that keep smaller birds away"Source: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

Birds the maker names

Cardinals, chickadees, titmice, grosbeaks — "Cardinals love Safflower"Source: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

Bag sizes

5 lbSource: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

Guaranteed analysis

Not published by the manufacturer in a form we could verify — Wagner's publishes noneSource: Wagner's Safflower Seed product page, wagners.com/product_pages/safflower.html, read 2026-10-17

What it gets right

• The maker states the squirrel and grackle claims plainly instead of hinting at them, which makes them checkable
• Cardinals genuinely do take safflower, and Cornell lists it as a food for cardinals and other big-billed birds
• A white-shelled seed is easy to tell apart from sunflower in a mixed feeder, so you can see what is being eaten
• Cheaper per pound than any of the no-mess blends here

What it does not

• Cornell's own feeding guidance says most birds prefer sunflower over safflower — switching costs you species
• Cornell does not repeat the bitter-taste squirrel claim anywhere, and its squirrel advice is baffles and capsaicin instead
• No published analysis, so the fat and protein are unknown
• Shelled, so it leaves hulls like sunflower does

Who it is for

Someone whose cardinals are being crowded out by grackles and starlings and who wants to try the food answer before buying hardware.

Skip this if

Squirrels are the actual problem you are trying to solve. A [weight-activated feeder or a baffled pole](/feeders/best-feeder-poles) has a published mechanism; a seed's flavour does not.

Pick 03

KayteeNo photo

Safflower with the analysis printed on it

Kaytee Safflower Seed

The same seed as any safflower, but Kaytee publishes 14% protein and 30% fat minimum against a 32% maximum fiber — and that fiber figure is the honest story of the category.

Score

7.6

Cardinal appeal

8.5

Bird range

5.5

Published detail

9.5

Value

7.5

Budget band

Under $25

Check price on Amazon

#ad Price as of October 17, 2026. How we are funded

Published specifications

What safflower is actually claimed to do

Both makers here say squirrels dislike safflower's bitter taste. Cornell's own feeding guidance does not repeat that claim: it describes safflower as a food that "attracts cardinals and other big-billed birds" while noting that "most birds prefer sunflower seeds over safflower", and its squirrel advice is baffles, distraction feeding and capsaicin-treated seed instead.Source: Project FeederWatch (Cornell Lab of Ornithology), Feeding Birds: seed types, feeder hygiene and nectar, feederwatch.org/learn/feeding-birds, read 2026-10-17

Who publishes a guaranteed analysis

Kaytee prints a full guaranteed analysis and an ordered ingredient list for every product. Wagner's prints ingredients, bag sizes and its own claims, but no analysis anywhere in its range. Most other brands publish neither, which is why they are not on this site.

Ingredients

Safflower Seed — the complete listSource: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Crude protein (min)

14.0%Source: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Crude fat (min)

30.0%Source: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Crude fiber (max)

32.0% — the highest figure of any seed on this site, and that is the hard white shellSource: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Moisture (max)

12.0%Source: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Maker's squirrel claim

"Helps discourage squirrels due to its bitter taste" — Kaytee makes no claim at all about grackles or starlingsSource: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Birds the maker names

Cardinals, black-capped chickadee, white-breasted nuthatch, blue jays, grosbeaksSource: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

Bag sizes

5 lb, 10 lb and 25 lbSource: Kaytee Safflower Seed product page, kaytee.com/all-products/wild-bird/safflower, read 2026-10-17

What it gets right

• A full published analysis on a single-ingredient seed, so the comparison with sunflower is on paper rather than on packaging
• 30% fat matches black oil sunflower exactly — the calorie case for safflower is real
• Kaytee names blue jays among the birds it attracts, which is a useful contradiction of the usual safflower sales pitch
• Available in 25 lb if safflower becomes your main seed

What it does not

• 32% maximum fiber is a third of the bag by weight in shell, against 23% for black oil sunflower
• 14% protein is below black oil sunflower's 15.5%, so safflower is not the upgrade it is sold as
• Kaytee hedges the squirrel claim to "helps discourage", and no independent source we could find supports it
• No Amazon ASIN we could match to this exact product with confidence, so the buy link resolves to a search rather than a single listing

Who it is for

Anyone running safflower as a deliberate experiment who wants the published numbers alongside the folklore.

Skip this if

You want the widest possible range of birds. Cornell is explicit that most of them prefer sunflower, and [black oil sunflower](/feeders/best-bird-seed) is the seed to default to.

Pick 04

The squirrel problem, solved mechanically

Brome Squirrel Buster Plus

A weight-activated shroud closes the ports under a squirrel, and the warranty is written for the lifetime of the original owner.

Score

8.6

Effectiveness

9.0

Durability

9.5

Published specs

8.0

Gift appeal

7.0

Budget band

Under $100

$125.90 · View on Amazon

#ad Price as of October 17, 2026. How we are funded

Published specifications

Seed capacity

3 quarts, about 5 lb of seedSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Mechanism

Weight-activated shroud closes the seed ports; the trigger weight is adjustableSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Feeding ports

6, with a cardinal ring includedSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Dimensions

6 in x 6 in x 23 inSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Weight empty

2.2 lbSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Warranty

Lifetime of the original owner, with replacement parts, when used per the instructionsSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

Cleaning

Dishwasher safeSource: Brome Squirrel Buster Plus published product specifications, read 2026-09-02

What it gets right

• The mechanism is physical rather than electronic, so there is nothing to fail in the cold
• Adjustable trigger weight lets you exclude large birds as well as squirrels
• The cardinal ring means the feeder still works for the bird most people actually want
• Lifetime warranty on a product that lives outdoors

What it does not

• No camera, no app — this is a feeder, not a gadget
• 23 inches tall, which is a lot of feeder for a small balcony
• Squirrels will still empty the tray beneath it

Who it is for

Anyone who has complained about squirrels. It is the least glamorous gift on this site and one of the most gratefully received.

Skip this if

The recipient wants to watch birds on a phone. This solves a different problem, and pairing it with a camera feeder rather than substituting for one is the better gift.

The nutritional cost of switching

So safflower is not a nutritional upgrade. It publishes slightly less protein than black oil sunflower, identical fat, and the highest shell fraction of any seed on this site. The blend of the two seeds does better on fat than either alone, which is the quiet argument for buying Cardinal Blend rather than straight safflower.

What safflower is genuinely good for

• A second feeder aimed at cardinals. Both makers and Cornell agree on this part. Cardinals take safflower readily.
• Seeing what is being eaten. Safflower is white and sunflower is black, so a mixed feeder shows you at a glance which seed is going.
• Trying the cheap answer first. A 5 lb bag costs less than any feeder. If grackles are clearing your feeder, spending that before spending on hardware is reasonable — just do it as an experiment with a known failure mode, not as a solution.
• Pairing with sunflower rather than replacing it. This is what Kaytee's three-ingredient Cardinal Blend does, and it hedges the whole gamble: the birds that refuse safflower still have something to eat.

The grackle and starling question

Wagner's is the only source here that claims safflower discourages "feeder hogs like Grackles and Starlings". Kaytee makes no such claim, Cornell makes no such claim, and Kaytee's own species list for safflower includes blue jays — a large, assertive bird of exactly the type people are trying to exclude. Treat the grackle claim as unverified. The reliable way to exclude large birds is perch size and port size, which is a feeder decision rather than a seed one, and it is covered on the feeder-by-species guide.

What we would do

Run safflower as a second feeder for cardinals, not as a replacement for sunflower in the first one. Buy the blend rather than the single seed, because 36% published fat beats 30% and the sunflower in it covers the birds that will not touch safflower. And if the thing you are trying to fix is a squirrel, spend the money on the feeder instead — the seed aisle has no answer to that problem, whatever the front of the bag says.