The original design of the garden depends primarily on perennial plants blooming in it. You just need to choose the right species that will delight every year, without requiring special care. Doctor of Biological Sciences, Professor, Chief Researcher of the Main Botanical Garden of the Russian Academy of Sciences Rimma Anatolyevna Karpisonova, especially for gardeners, collected information about the most unpretentious and affordable perennial flowers on the market that do not require shelters for the winter.