Irises

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Bearded Irises Explained

Bearded irises are the irises with large glamorous flowers that have a caterpillar of hairs on the falls (lower petals), and a large rhizome at the base of the leaves. All types of bearded irises have broad, sword-like, greyish green leaves

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Lifting, Dividing and Planting Irises

If you have an iris that is too big, stopped flowering, or needs moving, in my opinion September is the best month to do this in the UK. This does not mean they cannot be lifted at any other time of the year. I have lifted irises from 6 weeks after flowering, right through to early spring without harming the plant.

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How To Grow Irises

Irises are beautiful, often flamboyant plants that are easy to grow given the right place. There are three types of irises; ones with beards, ones without beards and ones that grow from bulbs.

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Twice Flowering Irises

When it comes to choosing irises, most gardeners go for the big, blousy Tall Bearded varieties that flower in June. It is quite easy to forget that some varieties of bearded irises will also produce a second flush of blooms from August onwards. These are known as remontant irises.

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Dwarf Irises

Tall Bearded irises are gorgeous, but equally as beautiful and a less well known are Standard Dwarf Bearded irises, a title abbreviated to ‘SDB’. These short irises grow to between 21 cm and 40 cm high and usually flower in May, although in southern counties, and warm springs, they can start to bloom in April. The flowers are smaller than those of Tall Bearded varieties; sitting just above a low, clump of sword-like, grey-green leaves.

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Siberian irises

Sibirica, or siberian irises as they are commonly known produce slender leaves that form a very upright clump. Some varieties have thicker leaves that might arch out slightly, but generally, like all irises, the foliage is well behaved.

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