Johnsons 21024 Flower Seeds, Sunflower Black Magic F1, Dark Red

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Most of all though, it’s the very large flowers, their uncomplicated daisy-like form, the brilliant yellow colour, and their height that make sunflowers so attractive. The plant has an erect rough-hairy stem, reaching typical heights of 3 metres (10 feet). The tallest sunflower on record achieved 9.17m (30ft 1in). [3] Sunflower leaves are broad, coarsely toothed, rough and mostly alternate; those near the bottom are largest and commonly heart-shaped. [4] Flower [ edit ] There are many different types,from the familiartowering giants topped with a large sunny flower, to more compact plants with many smaller blooms. They can rangefrom a mere30cm (1ft) tall up to3m (10ft) or more. With your birdseed supply at stake, it’s a good idea to irrigate your plants in those thirsty times. Showy Sunflower’ is another option for those who prefer perennials and this species also has a clump-forming habit.

Also of a nondescript height nearing 1.5m and also producing flowers of an average size, ‘Ruby Sunset’ is also very much a special cultivar. The big 16-18cm flowers are centred by a rich brown disc surrounded by equally rich deep yellow rays. 11) H. annuus‘Helios Flame’ Giant sunflowers that will reachover 2.4m (8ft) tall are best planted next to the house, so they can be attached to the wall for support. Bamboo canes won’t usually be long or strong enough to support them Underneath, I talk you through my favourite 20 sunflower varieties, selected for a wide choice of flower forms and colours, that can be found easily here in the UK.Sunflowers, both annual and perennial, are easy to plant– see our guides below for full details. Water both types thoroughly to help them settle in, and continue watering regularly throughout the summer. Starting sunflowers off indoors gives the plants a head start, which is important if you want to grow really tall ones. However, you need space on a sunny windowsill or in a greenhouse for a month or more, until you can plant them out in early summer. In the binomial name Helianthus annuus the genus name is derived from the Greek ἥλιος: hḗlios 'sun' and ἄνθος: ánthos 'flower'. The species name annuus means 'annual' in Latin. Oilseed flowers are grown for oil production and birdseed. Sunflower oil is low in saturated fats and doesn’t have a strong taste. It is growing in popularity due to its heart-healthy reputation.

These flowers are truly made for titans, having a mind-boggling width of nearly 50cm. 8) H. annuus‘Giraffe’But with a variety like this, when you want the plants to stay healthy throughout the blooming period and on into seed production, it’s important to keep them watered.

It is of a branching type and shows off its incredible, one-of-a-kind flowers nearly all summer long. 17) H. annuus‘Sunbelievable Brown-Eyed Girl’ It has very bright sunny yellow rays centred by an amber disc so that the entire flower is rather lighter in shade than those of most varieties. 6) H. annuus‘Little Leo’ This cultivar seems to be especially attractive to bees, butterflies and birds. 10) H. annuus‘Kong’A model for the pattern of florets in the head of a sunflower was proposed by H. Vogel in 1979. [17] This is expressed in polar coordinates r = c n , {\displaystyle r=c{\sqrt {n}},} θ = n × 137.5 ∘ , {\displaystyle \theta =n\times 137.5 When you’re growing a sunflower strictly for ornamental purposes, it’s okay if it gets a little dehydrated – as long as it blooms. Though this cultivar has a narrowish profile, quite interestingly, it has the bonus of being a multi-stalked type, making it more of a typical garden plant. 4) H. annuus ‘Sunsation Yellow’

This tough annual self-seeds readily and has become naturalised in many geographic regions outside North America. As their name suggests, sunflowers love a sunny spot.To fuel their vigorous growth, they also like rich soil with plenty of added organic matter, such as garden compost. Dig this into the whole planting area, rather than just into the planting hole, especially when planting long-lived perennial types, to encourage their roots to spread out. Annual sunflowers Rising to just over 1m and with flowers measuring 15-17cm in diameter, ‘Valentine’ produces amongst the lightest-coloured sunflowers – or the darkest, depending on your point of view.

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It produces a gorgeous flower, is prolific and floriferous, and it blooms all summer and autumn long! Its flowers, held aloft, have a light brown disc surrounded by bright sunny-yellow to sulphur-yellow petals. As a perennial rather than an annual, this species has the edge in terms of annual gardening labour,” says Colin Skelly, a Horticultural Consultant. Either way, this is definitely the sunflower with the most contrasting colours and it has been credited with the RHS Award of Garden Merit. 3) H. annuus‘Garden Statement’