The high performing Potomac snapdragon series was selected for stem and flower quality for production during long summer days. Tall, strong stems have long, refined spikes of ivory white flowers. 80-120cm (32-48″) tall plants can be grown in the field and garden, or in a greenhouse.
Approx. 25 Seeds
Start snapdragons indoors, 8-10 weeks before planting out. Transplant out after last frost. Direct sowing is less reliable. Provide bright light and a soil temperature of 12C (55F). Seeds should sprout in 10-21 days.
Sow on the surface of a sterilized seed starting mix. To avoid damping off (to which snapdragons are somewhat prone), increase ventilation, use a layer of vermiculite on top of the soil, and water only from below. Transplant outonce daytime temperatures are consistently above 10C (50F) and space30cm (12) apart.
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