Mammoth Sunflower - Helianthus annuus
The name says it all, these sunflowers grow huge! The seeds are high in oil content, making them delicious for roasting or ideal for extraction.
Breeder: Michael Digiorgio
Germinates in 4 to 10 days.
Sow 2cm deep and space 45cm.
Mammoth Sunflowers mature in 90-110 days and can grow over 3m tall with heads 40 cm wide.