While snapdragons are widely grown in greenhouses the Potomac series performs well in protected culture and under field production. A great addition to designs for a nice tall focal bloom. Group 3,4.
Approximately 2,749,090 seeds per pound
Weeks to finish: 12 - 16 weeks
Soil temperature: 65 - 72 degrees fahrenheit
Germination days: 10 - 14 days
Grow on temperature day: 60 - 70 degrees fahrenheit
Grow on temperature night: 50 - 55 degrees fahrenheit