{"id":10427,"date":"2026-06-06T20:34:58","date_gmt":"2026-06-06T17:34:58","guid":{"rendered":"https:\/\/staging.myorganicworld.net\/?post_type=product&p=10427"},"modified":"2026-09-28T11:46:14","modified_gmt":"2026-09-28T08:46:14","slug":"petunia-grandiflora-tritunia-blue-star","status":"publish","type":"product","link":"https:\/\/staging.myorganicworld.net\/ar\/product\/petunia-grandiflora-tritunia-blue-star\/","title":{"rendered":"Petunia Grandiflora Tritunia Blue Star"},"content":{"rendered":"

Petunia grandiflora Tritunia Blue Star Seeds<\/h2>\n

(Petunia grandiflora \u2014 TriTunia Series \u2014 Syngenta Flowers)<\/strong><\/p>\n

Petunia grandiflora Tritunia Blue Star represents the consolidation of three long-standing<\/strong> grandiflora petunia series \u2014 Ultra<\/strong>, Bravo<\/strong>, and Storm<\/strong> \u2014 into one simplified, high-performance line. The breeders combined the best performing varieties from each predecessor series, and all TriTunia varieties match for uniformity in habit and flower timing, ensuring consistent display in mixed plantings across different colors.<\/p>\n

Petunia grandiflora is the large-flowered<\/strong> class of petunia \u2014 distinct from multifloras, which produce smaller but more numerous flowers, and from the spreading Wave types that priorities ground coverage. Grandiflora petunias produce large-flowered blossoms of 8\u201310 cm<\/strong> of both single and double-flowering cultivars forming mounds of colorful solid, striped, deeply veined, variegated, or picotee-edged blooms. Best in a cool, dry, sunny environment in protected areas \u2014 they dislike hot, wet, or windy conditions. TriTunia delivers the classic large grandiflora flower in a compact, upright plant that is specifically suited for containers, retail pots, and border edging rather than the wide-spreading landscape coverage of the Wave series.<\/p>\n

The earliest flowering<\/strong> traditional petunia, especially under short day conditions \u2014 this is TriTunia’s most commercially significant characteristic for Kuwait growers. The short-day early flowerin<\/strong>g response means that plants sown in September and transplanted in October will be actively stimulated by Kuwait’s naturally shortening November days to flower earlier and more freely than they would in the long-day conditions of a northern European summer. This accelerated flowering under short days makes TriTunia one of the best-timed cool-season petunias for the Gulf calendar.<\/p>\n

The Star pattern varieties \u2014 Blue Star, carry a distinctive bicolor pattern: a vivid white star radiates from the center of the flower<\/strong> against the background color, creating a five-pointed starlike mark that extends down the center of each petal. This star pattern is characteristic of the grandiflora petunia’s natural petal pigmentation and is most vivid in direct sunlight.<\/p>\n

TriTunia Blue Star Large single blooms in mid-blue to blue-violet with a crisp white star radiating from the center of each flower \u2014 a clean, high-contrast bicolor pattern of exceptional visual clarity. Blue is the rarest color in the petunia palette and in the grandiflora class it achieves its best expression in the Star format where the white center provides a bright contrast point against the blue background.<\/p>\n

Variety Details<\/h3>\n
    \n
  • Botanical Name: Petunia grandiflora (Petunia x hybrida \u2014 grandiflora type)<\/strong><\/li>\n
  • Series: TriTunia<\/strong><\/li>\n
  • Breeder: Syngenta Flowers<\/strong><\/li>\n
  • Series Origin: Consolidation of Ultra, Bravo, and Storm series<\/strong><\/li>\n
  • Seed Type: F1 Hybrid, pelleted<\/strong><\/li>\n
  • Plant Type: Half-hardy annual<\/strong><\/li>\n
  • Family: Solanaceae<\/strong><\/li>\n
  • Flower Color: Blue Star<\/strong><\/li>\n
  • Key characteristic: Earliest flowering traditional petunia under short day conditions<\/strong><\/li>\n<\/ul>\n

    Key Features<\/h3>\n
      \n
    • Syngenta TriTunia \u2014 combines the best of three established grandiflora series: Ultra, Bravo, and Storm<\/li>\n
    • Earliest flowering traditional petunia under short day conditions \u2014 ideal for Kuwait’s short winter days<\/li>\n
    • Large grandiflora blooms of 8\u201310 cm \u2014 significantly larger than multiflora and spreading types<\/li>\n
    • Compact upright mounding habit of 25\u201330 cm \u2014 no staking, ideal for containers and borders<\/li>\n
    • Blue Star: mid-blue with crisp white star center \u2014 rare true blue in large grandiflora form<\/li>\n
    • Seeds require light to germinate \u2014 surface sow without covering<\/li>\n
    • Recommended containers: 9\u201310.5 cm pots and above<\/li>\n<\/ul>\n

      Plant Information<\/h3>\n
        \n
      • Height: 25\u201330 cm<\/strong><\/li>\n
      • Spread: 25\u201330 cm<\/strong><\/li>\n
      • Recommended Pot Size: 9\u201310.5 cm minimum<\/strong><\/li>\n
      • Plant Type: Half-hardy annual<\/strong><\/li>\n
      • Habit: Compact, upright, mounding<\/strong><\/li>\n
      • Flower Size: 8\u201310 cm across (large grandiflora)<\/strong><\/li>\n
      • Flower Form: Single, large trumpet-shaped open bloom<\/strong><\/li>\n
      • Days to Flower: 9\u201311 weeks from sowing (short day conditions accelerate this)<\/strong><\/li>\n<\/ul>\n

        Germination Instructions<\/h3>\n
          \n
        • Sow TriTunia petunia seed on the surface of moist, good quality seed compost and press gently in without covering \u2014 petunias require light to germinate.<\/li>\n
        • Maintain 22\u201324\u00b0C.<\/li>\n
        • Germination takes 7\u201310 days.<\/li>\n
        • Place the tray in a propagator or seal in a clear plastic bag to maintain humidity until germination.<\/li>\n
        • Once seedlings are large enough to handle with two to three true leaves, transplant into individual 7\u20138 cm pots and grow on at 18\u201320\u00b0C before moving to the final outdoor position.<\/li>\n
        • Final spacing: 20\u201325 cm between plants.<\/li>\n
        • Deadhead spent flowers regularly to encourage continuous blooming \u2014 unlike Wave and Tidal Wave spreading petunias, grandiflora types benefit from regular deadheading to maintain their best display.<\/li>\n
        • For Kuwait<\/strong>: sow indoors in air-conditioned conditions in September for transplanting in October\u2013November.<\/li>\n
        • TriTunia’s short-day early flowering response means October-transplanted plants will be actively stimulated by Kuwait’s naturally shortening November and December days \u2014 expect first flowers within 9\u201310 weeks of sowing in cool-season conditions.<\/li>\n<\/ul>\n

          Growing Tips<\/h3>\n
            \n
          • Grow in full sun to part shade in moderately fertile, well-drained soil enriched with organic matter.<\/li>\n
          • Grandiflora petunias prefer a cool, dry sunny environment in protected areas \u2014 they dislike hot, wet, or windy conditions.<\/li>\n
          • Water regularly but allow the top 2\u20133 cm of soil to dry between waterings \u2014 consistent overwatering promotes foot rot and botrytis. Feed with a balanced liquid fertilizer every two weeks throughout the flowering season.<\/li>\n
          • Deadhead spent blooms by pinching or snapping cleanly at the peduncle \u2014 with grandiflora petunias this is important because the large spent blooms are heavier and more prominent than those of smaller-flowered types.<\/li>\n
          • Pinch back young plants at 10\u201315 cm height to encourage branching and a fuller display.<\/li>\n
          • In Kuwait<\/strong>, position in full sun November through February and transition to afternoon shade as temperatures rise from March onward to extend the display season.<\/li>\n<\/ul>\n

            Gulf Planting Season<\/h3>\n
              \n
            • Indoor sowing (air-conditioned, surface sow): September to mid-October<\/strong><\/li>\n
            • Transplant outdoors: mid-October to November<\/strong>
              \nPeak flowering season: November to March \u2014 earliest flowering response triggered by Kuwait’s short winter days<\/strong><\/li>\n
            • Note<\/strong>:<\/span> TriTunia’s defining advantage for Kuwait’s cool-season garden is its short-day early flowering response \u2014 the variety flowers earlier than most conventional grandiflora petunias when day length is short, meaning Kuwait’s November\u2013February short days actively accelerate the display rather than limiting it.<\/li>\n
            • This makes TriTunia one of the best-timed seed petunias for the Gulf calendar.<\/li>\n
            • The compact 25\u201330 cm habit and large 8\u201310 cm blooms position it as the premium container and border petunia for gardeners who want the full visual drama of the large grandiflora flower in a manageable, container-appropriate plant.<\/li>\n<\/ul>\n

              Garden<\/span> Uses<\/h3>\n
                \n
              • TriTunia occupies a distinct position in the petunia range \u2014 between the compact bedding types and the vigorous spreading Hedgiflora types.<\/li>\n
              • Its large 8\u201310 cm grandiflora blooms provide the maximum flower size and visual drama available from a seed-grown petunia, while its compact 25\u201330 cm upright habit keeps it fully manageable in containers, window boxes, and border edging without the sprawling infrastructure requirements of Tidal Wave.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

                Petunia Grandiflora Tritunia Blue Star is a complete range of traditional large-flowered grandiflora petunias from Syngenta Flowers \u2014 combining the best performing varieties of Ultra, Bravo and Storm into one streamlined high-performance series. All varieties match for uniformity in habit and flower timing, with excellent performance from the grower bench to retail to the garden. The earliest flowering traditional petunia, especially under short day conditions \u2014 with large, trumpet-shaped blooms of 8\u201310 cm<\/strong> on compact upright mounding plants of 25\u201330 cm<\/strong>.<\/p>\n

                Repacked in Kuwait<\/span><\/p>\n

                Packet Size: Contains 30 pelleted seeds<\/strong><\/p>\n","protected":false},"featured_media":10428,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[482],"product_cat":[517,619],"product_tag":[616],"class_list":["post-10427","product","type-product","status-publish","has-post-thumbnail","product_brand-park-seed","product_cat-petunia","product_cat-annual-seeds","product_tag-new-2026","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product\/10427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/comments?post=10427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/media\/10428"}],"wp:attachment":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/media?parent=10427"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_brand?post=10427"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_cat?post=10427"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_tag?post=10427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}