Giant Sunflower (Mammoth) – Helianthus annuus 'mammoth'
This is the ‘grand daddy’ of all sunflowers rising to up to 8-12ft’ in height with a huge sunflower head. A nice note on these is that when mature, they always face east, so think about where you plant them.
Zones: 1 through 10
Height: Up to 8 ft.
Flower Color: Yellow
Plant Type: Annual
Light Requirement: Sun
Bloom Time: Mid - Late Season
Seeds per Packet: 15+
Seeds per Pound: 3,500
Is this wildflower invasive: No
Is this wildflower endangered: No
Is this wildflower edible: No
Is this wildflower medicinal: No