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The Snapdragon 'Potomac' series is the gold standard for prolific blooms and superior performance. Bred for professional floral farmers and cherished by serious gardeners, 'Potomac' delivers an exceptional yield of strong, straight stems topped with dense spikes of classic snapdragon flowers.
Minimum Seed Count | 50
Days to Maturity: 100-120 days
Life Cycle: Tender Perennial (typically grown as an annual)
Height: 36-40 in (excellent long stems)
Spread: 12-18 in
Light: Full Sun to Partial Shade
When:
Sow outdoors after the last frost, once the soil is workable. In mild climates, sow in late fall for early spring blooms.
How:
• Choose a sunny to part-shade location with well-draining soil.
• Lightly scatter seeds on the surface—do not cover, as they need light to germinate.
• Gently press into the soil and mist to keep moist.
Germination:
Takes 10–21 days. Keep soil consistently moist during this period.
Thinning:
Thin seedlings to 6–12 inches apart once established.
Indoor Sowing Instructions (Recommended for Early Blooms):
When:
Start seeds indoors 8–10 weeks before the last frost date.
How:
• Sow in trays or small pots using seed-starting mix.
• Press seeds into the surface—do not cover.
• Keep in a bright location at 18–21°C (65–70°F).
Germination:
Expect sprouting in 10–14 days. Mist regularly to maintain even moisture.
Transplanting:
Harden off seedlings and transplant outdoors after frost risk has passed, spacing 6–12 inches apart.
