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3-5 days at 80-85°F (27-29°C)
Transplant (recommended) - Sow into 72-cell flats or preferred seedling container 4 weeks before planting out. Cover seeds. A heat mat will help maintain an accurate temperature. Lower temperatures will result in slower germination: 5-7 days at 70-75°F (21-24°C). Do not allow plants to become root bound and avoid disturbing roots; transplant shock or other stress events may cause double-flowering varieties to produce single blooms for a period following stress. Direct seed - Sow 1/4" deep. Succession-sow/plant every 2 weeks for prolonged yields of high-quality stems. Pinching of initial bud or bloom and subsequent deadheading is recommended to encourage strong branching and bloom production. Very sensitive to frost.
Sun.
Varies. No support is necessary.
9-12".
Annual.
Before completely open. Stem is firm from point of cut to just below the bloom.
Fertile soil rich in organic matter. pH: 6.3-6.8 preferred.
Taller varieties make excellent cut flowers. Beds, borders, and mass plantings.
Zinnia spp.
Bright colors, excellent vase life, and low susceptibility to powdery mildew.
This improved mix is an essential component of any cut-flower offering. Prolific double and semidouble blooms are easy to use in bouquets due to their smaller size. The 1 1/2–2 1/2" blooms hold up well to handling compared to larger blooms which can snap at the stem due to the weight of the larger flower heads. Cut-and-come-again flower, yielding multiple cuts over the season.
3-5 days at 80-85°F (27-29°C)
Transplant (recommended) - Sow into 72-cell flats or preferred seedling container 4 weeks before planting out. Cover seeds. A heat mat will help maintain an accurate temperature. Lower temperatures will result in slower germination: 5-7 days at 70-75°F (21-24°C). Do not allow plants to become root bound and avoid disturbing roots; transplant shock or other stress events may cause double-flowering varieties to produce single blooms for a period following stress. Direct seed - Sow 1/4" deep. Succession-sow/plant every 2 weeks for prolonged yields of high-quality stems. Pinching of initial bud or bloom and subsequent deadheading is recommended to encourage strong branching and bloom production. Very sensitive to frost.
Sun.
Varies. No support is necessary.
9-12".
Annual.
Before completely open. Stem is firm from point of cut to just below the bloom.
Fertile soil rich in organic matter. pH: 6.3-6.8 preferred.
Taller varieties make excellent cut flowers. Beds, borders, and mass plantings.
Zinnia spp.
Bright colors, excellent vase life, and low susceptibility to powdery mildew.
This improved mix is an essential component of any cut-flower offering. Prolific double and semidouble blooms are easy to use in bouquets due to their smaller size. The 1 1/2–2 1/2" blooms hold up well to handling compared to larger blooms which can snap at the stem due to the weight of the larger flower heads. Cut-and-come-again flower, yielding multiple cuts over the season.