2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Modern gardeners are very partial to irises - from year to year they try to plant more and more new varieties on their plots, grown mainly in mild climates, which the picturesque territories of America, Europe, New Zealand and Australia can boast of. Every year, these beautiful flowers surprise them with completely new shapes and shades, and satisfied summer residents willingly admire their lush frills, exquisite horns or fancy beards. But, to their great regret, not all varieties of luxurious irises are able to take root in our climate, which is rather harsh for them. What irises should you pay attention to in order to safely preserve them in winter?
Color - an indicator of resistance to cold
Oddly enough, but the color of irises can tell us how well they are able to overwinter. What shades will be the most suitable?
The most resistant to winter are irises of traditional colors - white-yellow, yellow and blue-violet. It is extremely rare to suffer from frost and varieties "splash" - this unusual word is translated as "colorful spot" or "splash". It is quite simple to recognize these irises - the petals of such flowers are speckled with a wide variety of shades.
As for irises of the most delicate pink or peach tones, as well as incredibly cute black and white flowers, they are quite capricious, very afraid of frost and rarely delight gardeners with the expected shoots and luxurious flowering. However, this does not mean at all that these flowers in the garden have absolutely no chance - if you provide them with proper conditions and adhere to the basic rules of growing, then these irises will also be able to adapt.
Preferred varieties
The long-term cultivation of overseas varieties in traditional domestic flower beds and beds helped to determine which varieties of irises turned out to be the most viable and hardened. Among the most reliable varieties that came to the territory of Russia back in the eighties and nineties of the last century, one can distinguish such varieties as Sweet Geisha, Pu Abi, Dandorf, Reticulata, Asota, Poem of Ecstazy "," Arc of Colors ", etc. But Japanese and Dutch varieties overwinter extremely unimportantly, so it is recommended not to leave them to their own devices in the open field, but to dig them up and send them for storage together with gladioli. However, you can temporarily plant them in pots, which are then placed in the cellar until spring - in regions with a particularly harsh climate, this is often the only way to preserve beautiful flowers. And with the onset of spring, as soon as the awakening soil warms up to ten degrees, you can again transfer your pets to open ground.
Stunted and medium-sized varieties overwinter very well under the snow. The handsome men bred in England will winter just as well - they are not afraid of frosts even in the absence of shelter, and they also perceive the snow cover thirty to forty centimeters high, surprisingly loyally.
But varieties of flowers with high stems (from 1 meter or more) need special preparation for winter. In October or November, before it begins to noticeably colder, the rhizomes of such irises are covered with earth. In this case, the height of the soil layer should be at least ten centimeters. And as soon as the first frost hits, the formed embankment is also well covered with dry foliage, spruce branches or some other material that will not let cold air down. It is especially important to approach this issue with all responsibility during winters with little snow.
As for the "bearded" irises, they will be very grateful for the "dry" wintering - in this case, you will have to try to keep the soil around the flowers constantly dry from the very autumn. If the autumn rains begin, it is recommended to pull an awning over the irises or build some alternative low shelter. And when the frost hits, all the stems will need to be cut about ten centimeters from the ground. For preventive purposes, it will not hurt to treat the flowers before wintering with fungicidal preparations that destroy the wintering stages of pathogens of various ailments. And then the plants are covered with plastic containers or non-woven materials - they will not let moisture through from above, but at the same time they will keep its circulation below. With the onset of spring, when the soil thaws, all the shelters are promptly removed and the soil layer poured near the rhizomes is immediately raked away. And you can enjoy the flowering of beautiful irises again!
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