Benary's Giant Carmine Rose Zinnia is the premium choice among zinnia growers, prized for its luxurious rose-toned blooms and exceptional performance as a cut flower. This open-pollinated cultivar reaches full maturity in 75 to 90 days, producing tall, bushy plants spaced 9 inches apart that deliver armfuls of flowers from midsummer through fall. The carmine rose coloring is rich and sophisticated, making each stem a statement in a vase or garden bed.
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Moderate
2-11
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High
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Johnny's Selected Seeds calls this the premium zinnia, and the distinction shows in every aspect of its cultivation. The tall growth habit makes it an outstanding choice for cut-flower arrangements, where its substantial stems and luxurious rose-toned blooms command attention. Starting from seed indoors gives you the healthiest, most vigorous plants, particularly when you avoid the transplant shock that can temporarily convert double flowers into singles.
Benary's Giant Carmine Rose shines as a cut flower, where its tall stems and generous blooms make it a florist's dream. The substantial plant height and flower production also make it excellent for garden color, creating depth and impact in beds and borders. Fresh arrangements benefit most from this variety's combination of stem length and flower longevity.
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Sow seeds into 72-cell flats or your preferred seedling container 4 weeks before your planned transplant date. Cover seeds lightly and maintain soil temperature between 70 and 75°F (21 to 24°C); germination typically occurs in 5 to 7 days at these temperatures. Use a heat mat to maintain consistent warmth. Grow seedlings under good light and handle carefully; do not allow plants to become root bound, as transplant shock or other stress can cause double-flowering varieties to temporarily produce single blooms after transplanting.
Transplant seedlings outdoors after all danger of frost has passed and soil has warmed. Space plants 9 inches apart. Handle seedlings gently to minimize root disturbance and avoid stress events that could affect bloom form.
Sow seeds directly into garden soil 1/4 inch deep after the last frost date and soil has warmed.
Cut flowers when blooms are fully open and at peak color. In warm weather, harvest in early morning when stems are fully hydrated. Cut stems with a sharp knife at a 45-degree angle and immediately place in cool water to extend vase life.
Deadhead spent blooms regularly to encourage continuous flowering throughout the season. The bushy growth habit naturally produces multiple flowering stems without extensive pruning.
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