Kellogg’s Breakfast Tomato

Most tomatoes become popular through seed catalogs or garden center displays. Kellogg’s Breakfast became popular because it kept winning blind taste tests.

Dr. Carolyn Male trialed hundreds of heirloom varieties over decades. She wrote the book on heirloom tomatoes. Her verdict on Kellogg’s Breakfast was direct. “There isn’t another large orange beefsteak variety that I’d rather grow.”

Sunset Magazine’s food editors named it one of the best tasting tomatoes of all time. Fafard ranked it number 4 on their list of America’s 10 best tasting tomatoes. They called it “the finest tasting of the orange slicing tomatoes.” Cornell’s citizen science program gave it a 4.1 out of 5 taste rating and noted it consistently wins their blind taste tests.

This tomato didn’t get famous through marketing. It got famous through flavor. And the story of how it got here starts in a backyard in Michigan.

Where Kellogg’s Breakfast came from

Darrell Kellogg grew this tomato in his garden in Redford, Michigan. He shared seeds with Bill Minkey of Darien, Wisconsin. Minkey introduced it to the Seed Savers Exchange in 1993. By 2006, 18 SSE members were listing it in the yearbook.

The name comes from the color. Cut one open and the flesh looks like fresh squeezed orange juice. Bright, deep orange all the way through. Someone along the way decided it looked like breakfast. The name stuck.

Kellogg’s Breakfast gained real traction in the mid 2000s. That’s when it started showing up in taste competitions at tomato festivals. It kept winning. Word spread the old fashioned way. One grower tried it, loved it, and told the next grower. No marketing budget. No celebrity endorsement. Just a tomato that won every taste test it entered.

What the fruit is like

Large, meaty, and almost solid flesh. Most fruit weighs 1 to 2 pounds. Single fruit reaching 2.7 pounds has been recorded. Multiple growers report regular fruit over 2 pounds on well fed plants in rich soil.

The interior is dense with very few seeds. Low water content for a tomato this big. One California grower described it as “almost solid meat.” That density makes thick slices that hold their shape on a plate or a sandwich without flooding the bread.

The color is a deep, uniform orange inside and out. No red streaks. No green shoulders when fully ripe. It’s one of the most visually consistent tomatoes you’ll grow.

Days to maturity run 80 to 85 from transplant. Indeterminate vines reach 7 to 10 feet tall. Open pollinated heirloom. You can save seeds from ripe fruit and grow the same variety next year.

The flavor that wins the tests

Sweet with balanced acidity. That’s the short version. The long version takes more words because the flavor has layers that set it apart from other orange tomatoes.

Growers describe it as fruity, complex, and intense. It goes beyond sweet. There’s a bright tang underneath the sweetness that keeps it interesting. Michigan Heirlooms described the flavor as a near perfect balance of sweetness and bright, lively tang. That matches what dozens of independent growers say in their own words across different climates.

One Ohio grower brought Kellogg’s Breakfast to a culinary institute graduate. The chef was impressed and said it was much more flavorful than other orange tomatoes he’d tasted. A Nebraska grower called the flavor “complex and quite intense.” A Kentucky grower described “deep gold monsters” with wonderful fresh taste and firm, not mushy flesh.

The flavor even holds up in hydroponic systems. One grower pulled a 2.4 pound fruit from a hydroponic setup and called it the sweetest tomato they had ever grown.

This consistency across different climates, soil types, and growing methods is rare. Most heirloom varieties have as many critics as fans. Kellogg’s Breakfast gets strong opinions almost entirely in one direction. When people disagree, it’s usually about yield. Almost never about flavor.

How to grow Kellogg’s Breakfast, start to finish

Starting seeds

Start indoors 6 to 8 weeks before your last frost date. Sow seeds a quarter inch deep in a clean seed starting mix. Keep soil temperature between 70 and 80°F for fastest germination. A heat mat makes this easy and consistent.

Set up fluorescent or LED grow lights right above the seedlings once they emerge. Keep the lights 2 to 3 inches from the plant tops. Raise them as the plants grow. A seedling that stretches for distant light builds a weak stem. That matters later when the vine is 8 feet tall and carrying fruit that weighs over a pound.

Pot up to individual containers when the first true leaves appear. Feed weekly at half strength with a balanced liquid fertilizer until transplant day.

This is an open pollinated variety. Seeds saved from ripe fruit grow true the following season. Pick your best tasting, best shaped fruit and save those seeds to keep the line strong.

Transplanting

Move plants outside after your last frost date. Wait until nights hold reliably above 50°F. Cold nights during flower formation cause catfacing. On a tomato that regularly exceeds a pound, catfacing wastes a lot of good fruit.

Harden off over 7 to 10 days. Set plants outside for increasing periods each day before leaving them out permanently. Indoor seedlings moved straight to full sun experience transplant shock. A gradual transition prevents that setback.

Bury two thirds of the stem at planting. Strip any leaves that would go below soil level. Tomatoes produce roots along buried stem sections. A deeper root system means better drought tolerance and more stability for a tall vine carrying heavy fruit through a long season.

Space plants 36 inches apart. Kellogg’s Breakfast builds a large, vigorous canopy. Crowded plants trap humid air around the foliage. With absolutely no disease resistance, spacing is one of the cheapest defenses you have.

Soil and feeding

Rich, well drained soil loaded with compost. Target a pH of 6.0 to 6.8. Work a balanced organic fertilizer into the planting hole before setting the transplant. This slow release base feeds root development without pushing sudden leafy growth.

Switch to a lower nitrogen tomato feed once the first flowers open. High nitrogen after flowering drives leaf growth at the expense of fruit. Feed every two weeks through the entire season. This is an indeterminate variety that sets fruit continuously. Don’t taper off feeding while the plant is still producing.

Blossom end rot is a real risk on fruit this large. The prevention is consistent moisture. Mulch the soil surface. Water on a regular schedule. A compost rich soil base provides the calcium that developing fruit needs to finish without that sunken dark patch at the bottom.

Light and water

Full sun, 8 hours minimum. This variety needs full light and heat to develop its signature flavor and ripen fruit that weighs over a pound. Interestingly, one grower on a Brooklyn rooftop grew Kellogg’s Breakfast in containers with limited space and still got fruit described as “amazingly flavorful.” Full sun makes the difference between good and great on this variety.

Water deeply and consistently at the base of the plant. Target 1 to 2 inches per week. A drip line or soaker hose delivers water evenly without wetting the foliage. Overhead watering on a vine this tall soaks the canopy and invites every fungal problem this variety has no resistance to.

Lay 2 to 3 inches of straw mulch around each plant after a deep watering. Mulch stabilizes soil moisture between waterings. It buffers temperature swings in the root zone. It also keeps soil spores from splashing onto lower leaves during rain.

Support and pruning

Kellogg’s Breakfast vines reach 7 to 10 feet. Multiple growers describe these plants as extremely vigorous. Plan your support from the start.

Use a heavy duty cage at least 5 feet tall, or sturdy stakes with a trellis system. Set the support at planting before roots spread. A single stake is often not enough for this variety. Two stakes with horizontal ties handle the weight of multiple 1 to 2 pound fruit better than a single post.

Remove suckers below the first flower cluster. Keep the lower canopy open for airflow. Above the first cluster, let two to three main leaders develop. This variety produces well without aggressive pruning.

Strip any foliage touching the ground. With no disease resistance, soil contact is the main way fungal spores reach the leaves. Keep the lowest foot of the plant clear all season.

Problems to watch

Catfacing. Large heirloom fruit is prone to this. Cool temperatures during flowering cause irregular growth at the blossom end. On Kellogg’s Breakfast, catfacing shows up as deep folds and distortion. The fruit is safe to eat. Trim the scarred portions and use the rest. Midseason fruit from warmer nights comes in clean. Our tomato fruit problem guide covers catfacing and every other common fruit symptom in detail.

Stem end cracking. Several growers report radial cracks around the stem. One Ohio grower found that picking fruit when the shoulders still show a trace of green avoids most cracking. Let the fruit finish ripening on the counter after picking. You lose a small amount of flavor. You gain unblemished fruit.

Heat sensitivity. A Colorado grower lost an entire season when temperatures stayed above 100°F. The plants failed to set fruit. But a Maryland grower in Cornell’s trial reported the plants “kept going” through heat. The pattern seems to be that sustained extreme heat above 95°F stalls fruit set. Occasional hot spells don’t cause major problems. In very hot climates, afternoon shade cloth helps protect this variety.

No disease resistance at all. This is the tradeoff for flavor. No Verticillium protection. And no Fusarium protection. No nematode resistance. Every defense is your job. Rotate beds. Space plants wide. Keep foliage dry. Scout for spots on lower leaves every week. Strip affected leaves at the first sign of trouble.

Yield inconsistency. Cornell’s data shows a 3.4 out of 5 yield rating. Some growers call it a heavy producer. Others say moderate. The gap likely comes down to growing conditions. Rich soil, consistent water, and a long season produce the biggest harvests. A Michigan grower called yields “very high” and “amazing.” A Tennessee grower saw lower numbers from the same variety. This tomato rewards the growers who give it everything it wants.

The KBX variant

In 2002, a gardener named Martha Hufford in southeastern Virginia ordered Kellogg’s Breakfast seeds. When the plants grew, half of them looked different. Regular leaf on some. Potato leaf on the others.

Potato leaf tomatoes have broader, smoother leaves with fewer points along the edges. The trait is genetic. It doesn’t normally show up in a regular leaf variety unless something unusual happened with the seed source.

Hufford grew both types side by side for comparison. The potato leaf version was healthier. It matured earlier. It showed more tolerance to disease pressure. She noted that regular Kellogg’s Breakfast seedlings tended to get sick early, but the potato leaf plants avoided those same problems.

She stabilized the potato leaf line through four years of careful selection. The variety became known as KBX. The fruit runs 12 to 16 ounces. Smaller than standard Kellogg’s Breakfast. But the flavor is the same and the plants are tougher.

KBX also handles heat better than the regular version. Hufford grew it successfully in coastal Virginia summers. If you garden in a hot, humid climate and regular Kellogg’s Breakfast struggles, KBX is worth tracking down from specialty seed sellers.

Container growing

Kellogg’s Breakfast in a container is possible but demanding. The vine reaches 7 to 10 feet. The fruit runs 1 to 2 pounds. That is a lot of plant to sustain in a limited root volume.

Use at least a 20 gallon container of quality potting mix. Set a tall stake or heavy duty cage at planting. Water daily in summer heat. Feed every 7 to 10 days with a balanced liquid fertilizer because containers flush nutrients faster than garden beds.

One Brooklyn rooftop grower proved it works. Smaller fruit but amazing flavor. For container growers set on that Kellogg’s Breakfast taste, a large pot in full sun can deliver. Just expect more effort than growing it in the ground.

Kellogg’s Breakfast vs other heirloom beefsteaks

Brandywine is the name most people think of first for heirloom beefsteak flavor. Both varieties produce large fruit with outstanding taste. Brandywine leans pink or red depending on the strain. Kellogg’s Breakfast is orange all the way through. The flavor profiles differ too. Brandywine has a rich, balanced sweetness. Kellogg’s Breakfast adds a brighter tang with more complexity. Neither has disease resistance. Neither is easy. Both reward the effort. If you grow one, you’ll eventually want to try the other.

Pineapple is the other large heirloom in the orange and yellow range. Pineapple is bicolor with red streaking through the flesh. Kellogg’s Breakfast is uniform orange. Pineapple has a sweeter, more tropical flavor. Kellogg’s Breakfast has more tang and complexity. Both produce massive fruit. If you want visual drama on the plate, Pineapple wins. If you want the flavor that experts keep ranking at the top of every list, Kellogg’s Breakfast is the pick. Our complete guide to growing tomatoes covers the full season timing for large heirloom varieties like these.

The verdict

Kellogg’s Breakfast doesn’t look like a champion. It’s an orange beefsteak from a backyard in Michigan. No disease resistance, no fancy breeding program. No seed company marketing push behind it.

But every time it enters a blind taste test, it wins. Dr. Carolyn Male chose it over every other large orange beefsteak she ever grew. Sunset Magazine singled it out. Cornell’s program confirms it. The flavor is real. Sweet, tangy, complex, and consistent across climates and growing methods.

Give it rich soil, consistent water, strong support, and room to grow. Watch for catfacing and cracking. Stay ahead of disease because this variety won’t fight it for you. And if you want a tougher version of the same flavor, look into the KBX potato leaf variant. When you slice that first ripe fruit and see the bright orange interior, you’ll understand why the people who know tomatoes keep coming back to this one. Our tomato fruit problem guide is there when something goes sideways.