Rosanne 3 Brown Lisianthus brings an unexpected jewel tone to the cut flower garden, producing outstanding tarnished-copper to plum-colored blooms on compact plants. This F1 hybrid reaches maturity in 140 to 150 days and thrives in hardiness zones 8 through 11, making it accessible to gardeners in warm climates and those growing it as an annual in cooler regions. The flowers excel as cut stems, holding their exotic coloring in arrangements for extended periods. While lisianthus requires attention during the growing phase, the payoff is a sophisticated, long-lasting bloom that elevates any floral display.
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8-11
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Moderate
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The copper-to-plum flower color is rare and striking among lisianthus varieties, setting Rosanne 3 Brown apart from the typical whites and pastels. Growing these from seed demands patience and greenhouse conditions, but the compact growth habit and 4-inch spacing means you can pack multiple plants into a modest garden footprint. Harvest when the first flowers on a stem open, and the stems will continue to produce secondary blooms, extending your harvest window across weeks.
Rosanne 3 Brown is prized as a cut flower for floral arrangements and bouquets. The unusual tarnished-copper to plum coloration makes it especially valuable for designers seeking sophisticated, non-traditional color palettes. The long vase life and secondary flowering along the stem extend the usefulness of each harvest.
No timeline data available yet for this variety.
Sow into 288-cell or similar deep-cell seedling containers 12 to 13 weeks before your planned transplant date. Light is required for germination; cover seeds with only a thin layer of fine vermiculite to control algae while still allowing light penetration. Greenhouse conditions are highly recommended for reliable germination and healthy seedling development. Lisianthus seed is conventional, not NOP-compliant.
Transplant seedlings into the garden after the last frost date when soil has warmed and plants have developed several true leaves. Space transplants 4 inches apart to account for the compact growth habit. Harden off seedlings gradually by exposing them to outdoor conditions over 7 to 10 days before final planting.
Harvest when one or more flowers on a stem are fully open. Cut stems in the early morning when stems are most turgid, and immediately place them in clean water. Secondary flowers will continue to open along the stem, extending the vase life of each harvest.
The compact growth habit of Rosanne 3 Brown requires minimal pruning. Remove lower foliage as plants establish to improve air circulation and reduce disease pressure, but avoid excessive pruning that would compromise flower production.
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