Variety traits
Winter hardiness is a complex indicator of a variety's ability to remain viable throughout the winter and early spring periods, including resistance to frost and other environmental stress factors.
Mentioned in descriptions 27 261 varieties reference book.
Winter hardiness is a complex plant characteristic that includes resistance to freezing, smothering, waterlogging, frost heaving, and winter desiccation. Unlike frost resistance, which is limited to tolerance of low temperatures, winter hardiness takes into account the entire spectrum of adverse effects that lead to plant death or damage during the cold period.
The winter hardiness of a variety is evaluated using methods of field assessment of crop conditions after winter, employing scoring scales, as well as laboratory studies. The latter include direct freezing of plant monoliths, biochemical analyses of sugar accumulation, verification of the viability of the tillering node, and the use of genetic markers to determine resistance.
The level of winter hardiness depends on the genetic potential of the variety, the plant's ability to harden, agronomic cultivation practices, and the microclimate characteristics of a specific site. When choosing a variety, one should focus on regionalized forms, bearing in mind that the resistance indicator is relative and requires comparison with local standards and growing conditions.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Lolium perenne L. · Perennial ryegrass
ILVO-PLANT 39
Vaccinium corymbosum L. · Highbush blueberry
Gurjit Sidhu
Prunus persica (L.) Batsch · Peach
Thomason, Charles
Ilex L. · Holly
Hachmann Hans
Malus Mill. · Apple
RESPUBLIKANSKOE NAUCHNO-PROIZVODSTVENNOE DOCHERNEE UNITARNOE PREDPRITIE «INSTITUT PLODOVODSTVA»
Penstemon Schmidel. · Beard Tongue
Molter B.V.
Cornus L. · Cornel
Orton Elwin R.|Hillsborough, NJ, US / Gant David A.|Wall Township, Monmouth County, NJ, US
Dianthus x allwoodii hort. · Allwood pink
Carolyn Grace Bourne
Dahlia Cav. · Dahlia
Verwer-Dahlia's BV
Rosa L. · Rose
Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes
Carex oshimensis Nakai · Oshima sedge
Patrick Fitzgerald
Rosa L. · Rose
Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes
Leucothoe axillaris (Lam.) D. Don · Dog hobble
Ron Van Opstal
Heuchera L. · Coral Flower
Pavlich John C.
Nepeta x faassenii Bergmans ex Stearn · Faassen's catnip
Walters Gardens Inc
Magnolia L. · Magnolia
Vance Hooper
Malus Mill. · Apple
Plants for Europe Ltd
Rosa L. · Rose
SNC Meilland et Cie
Lolium perenne L. · Perennial ryegrass
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Gisela Luebbe
Poa pratensis L. · Kentucky bluegrass
BARENBRUG RESEARCH WOLFHEZE
Rosa L. · Rose
SNC Meilland et Cie
Rosa L. · Rose
Wilhelm Kordes Sparrieschoop
Rosa L. · Rose
Wilhem Kordes, Sparrieshoop
Rosa L. · Rose
MEILLAND ALAIN ANTOINE