Helianthus annuus 'Giganteus'

SUNFLOWER
Family: Asteraceae
Pronounced: hee-lee-AN-thus AN-yoo-us

Quick Jumps

Growing Guide
Rainy Side Notes

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GROWING GUIDE

 

Mature size:
Height: 12 — 14 feet (3.6 — 4.2 m).
Space: 18 — 20 inches (45 — 50 cm) apart.
Flowering attributes:
Golden yellow flowers with brown smaller flowers make up the center. Seed heads can be 15 inches (38 cm) across or more.

 

Rainy Side Notes

These towering sunflowers measured in at 12 and 14 feet tall. If you look at the shorter 5 to 6 feet tall sunflowers in the bottom left corner, you can see just how tall these giants grow.

This seed head measured 15 inches across and is packed with many sunflower seeds.

Debbie Teashon
Photographed in author's garden.