Helpful tips to care for irises.
If you ...
... Cold winters without snow, we recommend to cover the irises in the fall. For this purpose use can be soil, straw, sawdust, leaves. Remove cover with irises in spring as soon as possible - with the advent of zero temperature.
Irises .... leaves have yellow and brown spots - remove old dead leaves, cut the damaged portion of the sheet, and destroy them. Cause spots on the leaves of irises can be excessive soil moisture, too rainy weather. In the spring, about 6 weeks before flowering, start to spray fungicides irises ("Captan", Ditan M-45, "Bravo", "Fore", fundazol etc.). More efficient use of the alternating two types of fungicides compared to one;
Iris rhizomes on .... there was a soft, smelly rot - remove rotting cloth as soon as possible. In addition, it is desirable to remove the soil and around the iris rhizomes, leaving no damage to the healthy roots, fixing the plant in the ground. If necessary, dig up the entire plant and remove rotten tissue. After removing the rot flush cuts 20% solution farmalina or 10% bleach solution (1 part bleach to 9 parts water) and let it dry for a few days before the new planting;
Irises in bloom .... not - most likely, plants do not have enough sun (irises planted in the shade). In the first year when planting quality planting materials bloom about 60-75% of irises. And adverse weather conditions in the spring can destroy flower buds in the iris. In addition, acidic soil is not conducive to the normal development of these wonderful plants - this case is necessary to reduce the acidity of the soil.
Irises grow well in soils with neutral or slightly acid reaction (ideally - slightly acidic soil pH 6.8). When the acidity of the soil irises grow well, but do not bloom. To adjust the acidity of the soil can be used: lime, wood ash, chalk, dolomite flour - they neutralize acidic soils. In heavy soils usually add sand and peat;
Leaves irises ... wrinkled like corrugated cardboard; reason - pineappling. It is not a contagious disease, the plant does not die. This abnormal appearance, most likely due to adverse weather conditions. This is a temporary phenomenon.
Flowering period ... irises too short - try to plant varieties with different flowering times, as well as varieties that can bloom again in the fall (everbearing varieties of irises).
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