{"id":4787,"date":"2026-10-08T20:07:29","date_gmt":"2026-10-08T20:07:29","guid":{"rendered":"https:\/\/www.tomat-pomidor.com\/en\/?p=4787"},"modified":"2026-10-08T20:08:12","modified_gmt":"2026-10-08T20:08:12","slug":"kas-15","status":"publish","type":"post","link":"https:\/\/www.tomat-pomidor.com\/en\/kas-15\/","title":{"rendered":"Kas 15 (Kalman x Albenga) Tomato Review"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;4787&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Kas 15 (Kalman x Albenga) Tomato Review&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Rate this<\/span>\n    <\/div>\n    <\/div>\n<div class=\"tldr-box\" style=\"background: #f4f9f4; padding: 20px; border-left: 5px solid #4CAF50; margin-bottom: 30px; border-radius: 4px;\">\n<h3>\ud83d\udccc Quick Summary (TL;DR): Kas 15 (Kalman x Albenga)<\/h3>\n<ul>\n<li>\ud83c\udf0d <strong>Origin:<\/strong> Modern cross from the renowned Polish breeder, Katarzyna (known online as Kasencja). It is a cross between the famous Kalman and Albenga varieties.<\/li>\n<li>\ud83c\udf3f <strong>Plant Habit:<\/strong> Indeterminate (tall). Known for being incredibly resilient and disease-resistant. It sets fruit perfectly in both extreme heat and cold without dropping blossoms.<\/li>\n<li>\ud83c\udf45 <strong>Fruit Characteristics:<\/strong> Uniform, round-to-slightly-ribbed meaty red tomatoes. They typically weigh in the 7-9 oz (200-250 g) range. A standout feature is that the fruits on the very top of the plant do not shrink in size compared to the bottom trusses.<\/li>\n<li>\u23f3 <strong>Production:<\/strong> Extremely heavy yielder. It tends to ripen uniformly in large flushes (waves), making it excellent for processing or market growers.<\/li>\n<\/ul>\n<\/div>\n<div class=\"add-review-cta\" style=\"margin: 20px 0; padding: 15px; background: #f9f9f9; border-left: 4px solid #4CAF50; border-radius: 4px;\"><strong>\ud83c\udf45 Grown this variety?<\/strong> <a href=\"#wpdcom\">Click here to add your own photos and review below!<\/a><\/div>\n<div class=\"forum-post\">\n<div class=\"author-header\">\n<div class=\"forum-avatar\">A<\/div>\n<div class=\"author-meta\">\n<div class=\"author-name\">Angelina <span class=\"author-stats\">\u2b50 Pro Grower (11,269 posts)<\/span><\/div>\n<div class=\"author-geo\">\ud83d\udccd Unknown Zone<\/div>\n<\/div>\n<\/div>\n<div class=\"post-content\">\n<p>Kas 15 (Kalman x Albenga)<\/p>\n<p>Unbelievably heavy yielder. It sets every single blossom all the way to the very top of the plant, regardless of the weather. Zero disease issues. Just a solid wall of uniform, round, meaty tomatoes weighing around 7-9 oz (200-250 g). The fruits on the upper trusses don&#8217;t get any smaller either. Ripens uniformly in big flushes.<\/p>\n<p>This is a newer release from Kasencja&#8217;s breeding lines.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomat-pomidor.com\/uploads\/monthly_2022_09\/large.2029438580_15.png.42450cbab37c6c714485635bf8fa46c5.png\" alt=\"Kas 15 heavy yield on the vine\" width=\"300\" height=\"346\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomat-pomidor.com\/uploads\/monthly_2022_09\/large.393385018_15...png.971cefb0d0db66537e173de41452b740.png\" alt=\"Kas 15 tomato clusters\" width=\"239\" height=\"416\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomat-pomidor.com\/uploads\/monthly_2022_09\/large.762233196_15..png.1e289e4440cf1e46eb88dca317d415eb.png\" alt=\"Sliced Kas 15 showing meaty flesh\" width=\"213\" height=\"277\" \/><\/p>\n<\/div>\n<\/div>\n<div class=\"forum-post\">\n<div class=\"author-header\">\n<div class=\"forum-avatar\">S<\/div>\n<div class=\"author-meta\">\n<div class=\"author-name\">Svetlana VRN (Svetlana) <span class=\"author-stats\">\ud83c\udf31 Member (167 posts)<\/span><\/div>\n<div class=\"author-geo\">\ud83d\udccd Voronezh (USDA Zone 5)<\/div>\n<\/div>\n<\/div>\n<div class=\"post-content\">\n<p>I&#8217;m seeing conflicting info about this variety from different sources. I swore I saw a version with anthocyanin somewhere. It&#8217;s on my grow list for next year, but I really want to figure this out. Does the true one have antho shading or not?<\/p>\n<\/div>\n<\/div>\n<div class=\"editor-note\" style=\"background: #eef7ff; padding: 15px; border-left: 4px solid #2196F3; margin-top: 15px; font-size: 1.2em;\"><strong>\ud83d\udc68\u200d\ud83c\udf3e Editor&#8217;s Note: The Anthocyanin Mix-up<\/strong><br \/>\nTo answer Svetlana&#8217;s question: No, the true <strong>Kas 15<\/strong> does <em>not<\/em> have anthocyanin (purple\/black shoulders). It is a cross between Kalman and Albenga, which are both classic red\/pink heirlooms without antho genes. If someone is selling or showing a &#8220;Kas&#8221; tomato with purple shoulders, they are likely confusing it with <strong>Kas 21<\/strong> (a cross between P20 and Bawole Serce), which is another incredibly famous release from the same Polish breeder, Kasencja. Kas 21 is a stunning purple-shouldered heart, while Kas 15 is a solid red\/pink workhorse!<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udccc Quick Summary (TL;DR): Kas 15 (Kalman x Albenga) \ud83c\udf0d Origin: Modern cross from the renowned Polish breeder, Katarzyna (known online as Kasencja). It is a cross between the famous Kalman and Albenga varieties. \ud83c\udf3f Plant Habit: Indeterminate (tall). Known for being incredibly resilient and disease-resistant. It sets fruit perfectly in both extreme heat and &#8230; <a title=\"Kas 15 (Kalman x Albenga) Tomato Review\" class=\"read-more\" href=\"https:\/\/www.tomat-pomidor.com\/en\/kas-15\/\" aria-label=\"Read more about Kas 15 (Kalman x Albenga) Tomato Review\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":4787,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[438,65],"tags":[220,30,82,1199],"class_list":["post-4787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-red-tomatoes","category-pink-tomatoes","tag-disease-resistant","tag-heavy-yielder","tag-meaty-tomato","tag-polish-tomato"],"_links":{"self":[{"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/posts\/4787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/comments?post=4787"}],"version-history":[{"count":2,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/posts\/4787\/revisions"}],"predecessor-version":[{"id":4789,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/posts\/4787\/revisions\/4789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/posts\/4787"}],"wp:attachment":[{"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/media?parent=4787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/categories?post=4787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tomat-pomidor.com\/en\/wp-json\/wp\/v2\/tags?post=4787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}