
Gladiolus papilio Vito
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Helianthus 'Italian White' | Rating: votes| Print / Pdf
Helianthus is a group of around 52 species that include the ever-popular sunflower. There are both perennial and annual specimens in Helianthus, and some are famed for their height. Species normally flower in the summer months, producing large and brightly coloured disk shaped blooms. Helianthus should be planted in full sun and given fertile, well-drained soil in which to thrive. Large varieties often need staking to stop the stems breaking, as they become top heavy. Annual varieties should be sown during late spring, with seeds being collected as blooms die in the autumn.
Helianthus is a group of around 52 species that include the ever-popular sunflower. There are both perennial and annual specimens in Helianthus, and some are famed for their height. Species normally flower in the summer months, producing large and brightly coloured disk shaped blooms. Helianthus should be planted in full sun and given fertile, well-drained soil in which to thrive. Large varieties often need staking to stop the stems breaking, as they become top heavy. Annual varieties should be sown during late spring, with seeds being collected as blooms die in the autumn.
Helianthus annuus is commonly known as the Annual Sunflower. This much loved flower is well known for growing to a great height. Being easy to grow and quick to grow they are popular with children who love to compete to see who can grow the tallest sunflower. The large flower head has golden petals with a brown or golden centre that is actually made up of many tiny flowers. The overall effect resembles the sun, hence the name. Sunflower seeds and sunflower oil are commonly used in cooking. The tallest ever Helianthus annuus was grown in Germany in 2009 and reached a massive 26ft 4 in tall.