Helianthus annuus

Names

Names

Scientific: Helianthus annuus

English: Sunflower

Portuguese: Girassol

Origins

Origins

Family: Asteraceae

Origin: North America

Life Cycle: Annual

Properties

Properties

Aroma
Medicinal
Edibility

Parts Used

Parts Used

See Here
01-Helianthus-annuus 02-Helianthus-annuus 03-Helianthus-annuus 04-Helianthus-annuus 05-Helianthus-annuus 06-Helianthus-annuus 07-Helianthus-annuus 08-Helianthus-annuus 09-Helianthus-annuus 10-Helianthus-annuus 11-Helianthus-annuus 12-Helianthus-annuus 13-Helianthus-annuus 14-Helianthus-annuus 15-Helianthus-annuus
Scientific NameHelianthus annuus
English NameSunflower.
Portuguese NameGirassol, helianto.
German NameSonnenblume.
FamilyAsteraceae
OriginNorth America.
HabitatPlains of dry or slightly moist soils, railway yards, bird-feeding places, waste ground, rubbish tips, sometimes seashores.
Life CycleAnnual
Preferences CultivationDry or slightly moist soil, rich in organic matter.
Method of propagationSowing - in the spring, the seeds ripen from September to October.
Ornamental CharacteristicsFlowering from July to September. H: 0,9 - 3 m, ᴓ 0,5 m
Description of smells and flavorsMild, pollen aroma.
Properties MedicinalThe plant is very effective in the treatment of conditions of the respiratory system. The tea has antioxidant, anti-inflammatory, antipyretic, expectorant, astringent, stomachic and diuretic properties. Can be applied a poultice on spiders and snakes bites.
Properties EdibilityThe cooking oil extracted from the sunflower seeds is used for frying food. The seeds are eaten raw or cooked. Suggestion: cake with sunflower seeds or mix with other seeds and add to yogurt. The roots are edible after cooked.
Properties OtherNone
Contraindications / Side Effects / CommentsSide effects: some people can develop allergies. Note: when Helianthus annuus is planted in soils with high amounts of artificial fertilizers, the plant can accumulate nitrates.
Pests and diseases & how to fight themPests: The main pests are brown stink bug (in Integrated Protection is tackled through the use of pheromones) and Lepidoptera (moths) which can be countered with a biological insecticide Bacillus thuringiensis, authorized in integrated production and organic farming (2014), which should only be applied at dusk or at dawn while the bees are in the hives. Diseases: Sunflower is sensitive to moisture and can present rust and fungi on leaves.
How and When to harvest and / or pruning and which parts used. How many cuts per year?Parts used: seeds, root and leaves. Harvest: should be when the seeds are mature and do not coincide with rainy periods.
Can be used in intercropping ( repellent / attractive ) or is biopesticide?Attracts pollinators.
Curiosity / Personal ExperiencesThe name "Sunflower" was assigned due to heliotropism: in the morning is facing east and throughout the day "follow" the movement of the sun to west, moving stimulated by sunlight.

If you found an error, highlight it and press Shift + Enter or click here to inform us.