‘Big single head’

Sunflower / Tournessol / Ήλιος


Common Name: Sunflower / Tournessol / Ήλιος

Scientific Name: Helianthus annuus


Plant’s cycle: Annual

Light Requirement: semi-shade or full sun

Soil type: dry or moist and well drained soils of any type, pH 4.5 - 8.7

Sowing in nursery: Early spring

Direct Planting: Spring

Germination: 10 days after sowing

Harvest:  120 to 160 days after sowing

Spacing: 20cm/30cm/3cm deep  


Flowers are hermaphrodite

Pollination: by bees and flies

Plant is not self-fertile

Seed preservation: 7 years


Edible Parts: Flowers; Oil; Seed; Stem.

Antipsoriatic;  Antirheumatic;  Diuretic;  Expectorant;  Febrifuge;  Stomachic.


A tea made from the leaves is astringent, diuretic and expectorant; it is used in the treatment of high fevers. The crushed leaves are used as a poultice on sores, swellings, snakebites and spider bites. The leaves are harvested as the plant comes into flower and are dried for later use. A tea made from the flowers is used in the treatment of malaria and lung ailments. The flowering head and seeds are febrifuge, nutritive and stomachic. The seed is also considered to be diuretic and expectorant. It has been used with success in the treatment of many pulmonary complaints. A decoction of the roots has been used as a warm wash on rheumatic aches and pains.


Other Uses: Blotting paper; Dye; Fibre; Fuel; Green manure; Herbicide; Kindling; Microscope; Oil; Paper.

Known Hazards: The growing plant can accumulate nitrates, especially when fed on artificial fertilizers. The pollen or plant extracts may cause allergic reactions.