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ALLIUM GUIDES

purple giant onion alliums in bloom with large globe shaped flowers

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Genus Allium , belonging to Family Amaryllidaceae , encompasses 1,018 have species ( at the last count!).1Allium L.(n.d.-b ) . Kew Royal Botanic Gardens . Retrieved March 9 , 2023 , fromhttps://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30000901-2

These are recurrent bulging herbs and their native range cover the totality of the temperate and sub - tropical Northern Hemisphere .

strap-like leaves of onion plants in a row

Most of them flower in the late spring to former summer bridge season while some bloom through summertime .

“ Alliums are hugely versatile at a time of year when outflow flowers have gone or are about   to go over and other summertime flowers are yet to start , ” says Horticulturist Colin Skelly .

“ They also come in contrast altitude , from diminutive species 25 - 30 cm high ( suitable for pots or border edges ) to the very improbable , such asA.‘Summer Drummer ’ at up to 2.5 metre eminent , suited for rise up through a border or through interracial planting . ”

white Allium tuberosum flowers

These flora , like others in the Amaryllis Family , are discover by their narrow linear or strap - like foliage or cylindric , hollow leaves.2Allium ( onion plant , Ornamental Allium cepa ) . ( n.d . ) . North Carolina Extension . regain April 4 , 2023 , fromhttps://plants.ces.ncsu.edu/plants/allium/

Usually these are of a cryptic , viridian vividness which is bright on some mintage , grayish on others , and with a blue tint on some .

Underneath we present selected cosmetic Allium in a orbit of heights and a variety of semblance include lily-white , sensationalistic , pink , and purpleness .

white flowers of A. neapolitanum

1)A. tuberosum

Also called Chinese Chives – this variety grows to about 40 cm .

It bears umbels of small , star - work whitened flowers .

They have the bonus of being wind ; flowering in late summer and into autumn , Chinese Chives is a late blooper among Alliums and will lead the season of pastime in a mixed planting .

globe shaped flowers of Allium ‘Mount Everest’

It is native to Tibet and the Himalayas .

2)A. neapolitanum

Also called Naples Garlic , is actually an decorative onion .

It get through a height of only 25 - 30 centimetre but has a spread twice as bad .

It too carry umbels of small , virtuoso - form flowers that are pure snowy .

yellow nodding blooms of allium flavum

They also have the bonus of being fragrant .

It blooms in tardy spring through other summertime .

3)A.‘Mount Everest’

This is an ornamental onion that is quite tall at about 90 cm .

It produces pure bloodless pom - pom - like inflorescences which are very heavy at about 15 centimetres in diameter .

This species ’ flowers last relatively long on the works or in a vase .

close up of Allium lusitanicum with a hover fly in focus

RHS Award of Garden Merit recipient role .

4)A. flavum

Yellow - Flowered Garlic is a small variety at only about 30 atomic number 96 high with no bed cover to speak of .

It acquire umbels of buttery , sunny yellowed gong - influence ‘ sundrops ’ .

The umbel are loose or loose , and the florets are pendent – it blooms in former bounce through early summertime .

prairie onion flowers beginning to bloom in pink and yellow

It is aboriginal to the Mediterranean part to West - Central Asia and is a recipient of the RHS Award of Garden Merit.3Allium flavum . ( n.d . ) . Royal Horticultural Society . Retrieved March 9 , 2023 , fromhttps://www.rhs.org.uk/plants/827/allium-flavum/details

5)A. senescens

Ageing Allium is a type of chive .

Another modest variety , it grows to only about 30 cm , bearing somewhat thin and delicate tufty umbel .

Their food colouring is every bit delicate , being of whitish - pinkish lilac hue .

allium eros with beautiful pink flowers

It bloom in early and mid - summertime and is endemic to Siberia through the Koreas .

This variety has also received the RHS Award of Garden Merit .

6)A. stellatum

The Prairie Onion rise to 50 - 60 cm .

It stomach big , rounded 8 - 10 atomic number 96 umbels with a richness of scented star - shaped little bloom .

They are of a delicious soft pink shade .

candy pink flowers of Allium oreophilum

Another late bloomer among Alliums , it heyday from mid - summer into fall and draw out Alliums ’ season of interest .

It is aboriginal to the United States .

7)A.‘Eros’

reach a height of 40 - 50 cm and has a roughly adequate banquet .

It suffer big dome - like inflorescences about 10 centimetre wide .

These have bantam star - shaped flowers of a lovely light lilac to unclouded imperial hue with a darker radial stripe along each petal .

bee harvesting pollen from the flowers of A. cernuum

It blossom in ahead of time to mid - summertime .

8)A. oreophilum

Pink Lily Leek raise to only 20 - 30 atomic number 96 with no spread to speak of .

It comport thin , loose umbel of little bright candy - pink flower .

Each petal has a red stellate grade insignia and the visible yellow stamens sum up further colour , while the flowers are fragrant .

azure blue colours of Allium caeruleum blossoms in focus

It is autochthonic to South Central Asia from the Caucasus to Turkestan .

9)A. cernuum

Lady ’s Leek is of small - to - medium height at 40 - 45 atomic number 96 .

Its umbel bear flyspeck efflorescence in nodding , pendent form .

These dainty ship’s bell - shaped bloom are of a soothing soft garden pink to soft lilac pure tone with which the prominent yellow stamens make a fine dividing line .

globular flowers of Allium ‘His Excellency’ variety in the garden

This plant is native to the United States .

10)A. caeruleum

Azure - bloom Garlic is medium - to - marvelous in height at 60 - 80 cm and its spherical flowering , represent of star - shaped florets , are but 3 centimetre across .

But this is a very special variety because of its colouration : stupefy lawful blue ; even azure .

It blooms in late give to other summertime and is aboriginal to a belt of earth from Siberia down to Turkestan .

Allium ‘Ambassador’ Inflorescence

11)A. cyaneum

Also called Dark Blue Garlic , this variety grow to a bare 25 centimetre and has a clunking build .

Its leaves are among the narrowest and it farm little clusters of lilliputian , chandelier bell - form flowers .

The colour rate from soft lilac to rich violet with which the yellow stamen make a substantial contrast .

A. hollandicum ‘Purple Sensation’ ornamental onion flowers in shades of pink and purple

Its native range is from Tibet through Korea .

This works is yet another recipient of the RHS Award of Garden Merit .

12)A.‘His Excellency’

An architectural variety made so by the tallness of its stalks and the size of its inflorescences .

It attains a acme of up to 1.2 G and its big pommy - pommy - corresponding globular inflorescences are about 12 cm broad .

These are tightly bundle with myriad petite hotshot - like florets in a pleasing mauve - purple colouring .

It blooms from mid - spring to mid - summer .

13)A.‘Ambassador’

A spectacular architectural plant that hit a height of up to 1.2 m.

It grow massive spherical inflorescences that would put any pommy - pom to ignominy .

These are up to 20 cm across and are tightly packed with unnumbered tiny wizard - similar floweret .

The colouring material is an eye - catch and gorgeous deep , ample purple .

Recipient of the RHS Award of Garden Merit .

A.‘Universe ’ andA. hollandicum‘Purple Sensation ’ are two more option that bear spherical inflorescences in shades of purpleness .

Both are recipients of the RHS Award of Garden Merit .

References