{"product_id":"eustoma-grandiflorum-rosanne-black-pearl-f1-group-1-lisianthus","title":"Eustoma grandiflorum Rosanne Black Pearl F1 | Group 1 Lisianthus","description":"\u003ch1\u003e\u003cspan\u003eEustoma grandiflorum Rosanne Black Pearl F1 | Group 1 Lisianthus\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEustoma grandiflorum Rosanne Black Pearl F1\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e stands out with exceptionally dark purple flowers in a rich aubergine shade. Its full, double blooms and gently ruffled petals bring depth and drama to bouquets, wedding flowers and contemporary floral arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart of the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRosanne F1 series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, Black Pearl combines distinctive colour with strong stems, firm petals and excellent vase life. This \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGroup 1 lisianthus\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is best suited to spring production.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePlant Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBotanical Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Eustoma grandiflorum\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCommon Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lisianthus, prairie gentian, Texas bluebell\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rosanne\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eVariety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Black Pearl F1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlowering Group:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCultivation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Grown as an annual cut flower\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlower Colour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Very dark purple with rich aubergine tones\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlower Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Double, with gently ruffled petals\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 80–90 cm, depending on growing conditions\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDays to Maturity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 140–150 days under suitable conditions\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePreferred Production Season:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Spring\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSeed Form:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pelleted\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHybrid Status:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e F1 hybrid\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eGrowing Position:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bright and sheltered; suitable for greenhouse production\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSoil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fertile and well-drained\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eUses:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cut flowers, wedding bouquets and floral arrangements \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDeep Aubergine Flowers for Striking Bouquets\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRosanne Black Pearl F1 is a beautiful choice for growers seeking \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edark purple lisianthus\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Its deep colour adds a striking focal point while the softly ruffled petals give the flowers an elegant finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePair it with white, cream or blush pink for contrast. Apricot flowers and fresh green foliage highlight its warm aubergine tones, while lavender and mauve create a harmonious purple palette.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough named \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBlack Pearl\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, its flowers are very dark purple rather than true black. Their appearance varies with lighting and growing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eThe Rosanne F1 Series\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Rosanne series is known for unusual colours, full double flowers and strong stems. Firm petals help reduce the risk of damage during handling and transport, while excellent vase life makes the series particularly useful for cut flower production.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRosanne includes varieties in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGroups 1, 2 and 3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBlack Pearl F1 belongs to Group 1\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it especially suitable for spring production.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSowing \u0026amp; Seedling Care\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLisianthus develops slowly during its early stages, so begin propagation well ahead of the intended flowering season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSow the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epelleted seeds\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e on the surface of a fine, well-drained seed-starting substrate. Do not bury them. Carefully moisten the pellets so their coating can dissolve, and keep the substrate evenly moist without waterlogging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProvide good light during propagation and after germination. Early indoor sowings benefit from supplementary grow lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTransplant seedlings before their roots become crowded. Handle the root ball gently and maintain the original planting depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGrowing Conditions \u0026amp; Care\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eGrow in fertile, well-drained soil in a bright, sheltered position. Greenhouse cultivation helps manage temperature, moisture and airflow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeep soil moisture consistent, avoiding prolonged wet conditions. Water at the base of the plants and provide good ventilation to help keep foliage and flowers dry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esupport net\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to encourage straight stems and support the plants as the flowers develop.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFlowering Time\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied maturity estimate is approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e140–150 days\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Actual flowering time depends on temperature, light levels, seedling development and growing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAllow sufficient time for the slow early growth of lisianthus when planning sowing and spring flowering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHarvesting \u0026amp; Vase Care\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eCut stems when several flowers have opened. Remove leaves below the waterline and place the stems promptly in clean water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRefresh the water regularly and use cut flower food if available. Careful harvesting and handling help preserve the excellent vase life of the Rosanne series.\u003c\/span\u003e\u003c\/p\u003e","brand":"therapyofflowers.com","offers":[{"title":"20 seeds \/ Pelleted","offer_id":55384170496343,"sku":null,"price":3.8,"currency_code":"EUR","in_stock":true},{"title":"100 seeds \/ Pelleted","offer_id":55384170529111,"sku":null,"price":12.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/9275\/3751\/files\/IMG-7434.png?v=1791751955","url":"https:\/\/www.therapyofflowers.com\/it\/products\/eustoma-grandiflorum-rosanne-black-pearl-f1-group-1-lisianthus","provider":"therapyofflowers.com","version":"1.0","type":"link"}