Sunflowers are tall showy, usually yellow flowers grown for their seeds. The flower head is composed of the showy perimeter ray flowers and the inner disc florets which produce the seeds. As well as being an ornamental plant that attracts pollinators, sunflower seeds are pressed for oil or used whole as a snack food or ingredient in cereals, snack mixes and snack bars.
'Peredovik' is a Russian oilseed sunflower that matures in about 110 days. It is grown for quality cooking oil.
'Rostov' is an oilseed variety that produces very large, 30 cm heads on 2 m, sturdy, wind resistant stalks.
'Russian Mammoth' produces white and black edible seeds on the largest sunflower heads at ECHO Florida. ‘Skyscraper’ is the only variety that grows taller.
‘Sunspot' is a dwarf confection sunflower producing 20 to 30 cm heads filled with edible seeds.
A local variety that averages 2.5 m (8.2 ft) in height. The flowers are around 15 cm (6 in) across and petals are yellow in color. The seeds have a striped pattern and the kernel is quite tasty.
Local northern Thai variety with kernels black in color. Can grow between 2-3 m (6.5-10 ft) in height.