{"id":7103,"date":"2026-11-05T07:45:41","date_gmt":"2026-11-05T07:45:41","guid":{"rendered":"https:\/\/www.tomat-pomidor.com\/en\/?p=7103"},"modified":"2026-11-05T07:46:20","modified_gmt":"2026-11-05T07:46:20","slug":"primary-colors","status":"publish","type":"post","link":"https:\/\/www.tomat-pomidor.com\/en\/primary-colors\/","title":{"rendered":"Primary Colors Tomato Review & Photos"},"content":{"rendered":"\n\n
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\ud83c\udf45 Quick take:<\/strong> Primary Colors<\/strong> is a distinctive saladette\/cocktail variety bred by American heirloom breeder Tom Wagner<\/strong>. The indeterminate<\/strong> vines bear round, 2-3.5 oz (60-100 g) bright yellow fruits accented with dark purple anthocyanin shoulders. Growers highlight its heavy fruit set and solid sweet-tart profile. In southern climates, it thrives unpruned, though northern open-ground growers warn of late blight vulnerability and occasional color segregation in unverified seed lines.<\/p>\n

Skip to pruning & stability discussion \u2193<\/a> | Full summary \u2193<\/a><\/p>\n<\/div>\n

Growers’ Notes and Field Performance (USDA Zones 4-7)<\/h2>\n
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Sandr (Aleksandr) \ud83c\udf31 Member (339 posts)<\/span><\/div>\n<\/div>\n<\/div>\n
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A neat creation from Tom Wagner. Grew mine outdoors in the open garden. Plants stayed around 3.3-4 ft (1-1.2 m) tall. Fruit weight topped out at 2 oz (60 g). Productive variety, and both the flavor and looks were very good.Edited September 18, 2015 by Drosera<\/em><\/p>\n

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Rodebielesumer (Elena) \u2b50 Pro Grower (1,832 posts)<\/span><\/div>\n
\ud83d\udccd Germany-Luxembourg-France Border (USDA Zone 8)<\/div>\n<\/div>\n<\/div>\n
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Primary Colors, such a striking variety. Medium producer with a long harvest window of about two solid months. Topped out at 5 ft (1.5 m) for us. As of mid-September, the vine is still green and healthy, though fruit is winding down.Flavor is wonderful, nice balanced sweet with a tangy kick. We never pruned any suckers, the vine branched out vigorously and handled the entire fruit load with ease. Foliage is moderate, so it lets plenty of light reach the clusters. Seed originated from the Urals via Tomatinka.<\/p>\n

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Lana_s_Kavkaza (Svetlana) \u2b50 Pro Grower (19,274 posts)<\/span><\/div>\n
\ud83d\udccd Pyatigorsk, Caucasus, Russia (USDA Zone 6)<\/div>\n<\/div>\n<\/div>\n
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Mine is growing in the greenhouse. It is still deep green and pumping out plenty of fruit. Delicious, sweet variety. Topped out at 5.5 ft (1.7 m), and I let a ton of side suckers run.\"Primary<\/a><\/p>\n<\/div>\n<\/div>\n

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Alisa \u2b50 Pro Grower (6,406 posts)<\/span><\/div>\n<\/div>\n<\/div>\n
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Lana_s_Kavkaza said:<\/strong>
\nMine is growing in the greenhouse. It is still deep green and pumping out plenty of fruit. Delicious, sweet variety. Topped out at 5.5 ft (1.7 m), and I let a ton of side suckers run.<\/p><\/blockquote>\n

Sveta, looking at your photo, are you keeping those suckers just for leaf cover against the heat, or are you actually letting them set fruit?<\/p>\n<\/div>\n<\/div>\n

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Sucker Pruning Strategies and Genetic Stability<\/h2>\n
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Lana_s_Kavkaza (Svetlana) \u2b50 Pro Grower (19,274 posts)<\/span><\/div>\n
\ud83d\udccd Pyatigorsk, Caucasus, Russia (USDA Zone 6)<\/div>\n<\/div>\n<\/div>\n
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Alisa said:<\/strong>
\nSveta, looking at your photo, are you keeping those suckers just for leaf cover against the heat, or are you actually letting them set fruit?<\/p><\/blockquote>\n

Fruit sets right on them, too. Honestly, I see zero point in pruning suckers on small-fruited varieties down here in the South.<\/p>\n<\/div>\n<\/div>\n

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Lana_s_Kavkaza (Svetlana) \u2b50 Pro Grower (19,274 posts)<\/span><\/div>\n
\ud83d\udccd Pyatigorsk, Caucasus, Russia (USDA Zone 6)<\/div>\n<\/div>\n<\/div>\n
You can see it right in the photo, both blooms and setting fruit all over those side shoots.<\/div>\n
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cat2008 (Oksana) \u2b50 Pro Grower (5,827 posts)<\/span><\/div>\n
\ud83d\udccd Orsha, Belarus (USDA Zone 5)<\/div>\n<\/div>\n<\/div>\n
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This strain showed some real genetic instability for me. Out of three vines, all three came out completely different! \ud83d\ude04The vine in the greenhouse pushed solid red fruit. The second vine out in the garden gave pure yellow fruit. And only the third plant outdoors showed the true purple anthocyanin shoulders.<\/p>\n

All three were indeterminate with regular foliage, throwing big branched clusters of roughly 12-15 fruit each. Fruit shape was round, weighing in between 2-3.5 oz (60-100 g).<\/p>\n

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Vladimir Baranov (Vladimir) \ud83c\udf31 Member (312 posts)<\/span><\/div>\n
\ud83d\udccd Kaluga, Russia (USDA Zone 4)<\/div>\n<\/div>\n<\/div>\n
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Grew this back in 2019, both in the ground outdoors and in the greenhouse. Plants stayed very compact, right around 3.3 ft (1 m) or even shorter. Did not prune suckers at all.Fruit set was nothing short of incredible. The outdoor plants had to be pulled early once late blight moved in. Inside the greenhouse, they ripened among the very latest. As for flavor, it was not really my cup of tea. Yield was around 2.2-2.6 lbs (1-1.2 kg) per plant, which is not bad at all for such a compact vine.<\/p>\n

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Full Summary: Plant Habit, Anthocyanin Expression, Yield, and Culture<\/h2>\n