Snapdragons are short-lived perennial plants that survive well in cold seasons but are often replanted each spring and considered annual plants. They do best in full or partial sun, in well-drained soil since their roots are susceptible to rotting. Removing the dead flowers is important to help them to continuously produce beautiful flowers throughout their growing season. They are susceptible to ethylene gas so removing dead flowers and keeping them away from ripe fruits or vegetables also helps them bloom longer. They grow during their peak seasons of April to June and August to October in the Northern Hemisphere. The seeds look like skulls.
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