title: Biological characteristics of cultivars of Hibiscus syriacus L. grown in Donetsk Botanical Garden
abstract: The morphobiological and phenological features of ten cultivars of Hibiscus syriacus L. were investigated. These cultivars were introduced from Simferopol Botanical Garden and are growing in the collection of Donetsk Botanical Garden. The plants grow in the open ground and are protected from the cold. The cultivar Carneus Plenus exhibited the highest degree of shoot freezing, up to 50% of the length. Vegetation starts almost simultaneously in all cultivars – from the second decade of April. Blue
journal: Izvestiâ Timirâzevskoj selʹskohozâjstvennoj akademii