Sunflower ‘Mongolian Giant’
(Helianthus annuus)
Sunflower ‘Mongolian Giant’ (aka Helianthus annuus uniflorus) is notable for its massive flower heads and huge seeds. Plants produce a single, golden flower on each stem that are 16-18 inches across, and plants grow 12-14 feet tall. The seeds are great for roasting and eating. Makes an interesting focal point in beds and borders.