Bokraruicri
ActiveRosa L. · Rose
Boot & Co. Boomkwekerijen B.V., De Ruiter Intellectual Property B.V.
Variety traits
Winter hardiness
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.
Breakdown by crop
Winter Hardiness of Roses
555
Winter hardiness of common wheat
220
Winter hardiness of apple trees
188
Winter Hardiness — Hydrangea macrophylla
187
Pear Winter Hardiness
123
Winter hardiness — perennial ryegrass
120
Winter Hardiness of Lily
91
Winter hardiness of winter rapeseed
81
Peach winter hardiness
71
Plum Winter Hardiness
65
Winter Hardiness of Clematis
61
Grapevine Winter Hardiness
56
Winter hardiness of winter barley
56
Winter hardiness — garden strawberry
52
Winter hardiness of sweet cherry
48
Tulip winter hardiness
42
Heuchera winter hardiness
40
Winter Hardiness of Alfalfa
39
Chrysanthemum winter hardiness
39
Winter hardiness of triticale
36
Winter Hardiness of Apple
36
Winter hardiness of Hydrangea serrata
36
Grapevine Winter Hardiness
35
Winter hardiness of apricot
35
Found in these crops
Varieties that feature this in their description
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.
Bokralims
ActiveHydrangea paniculata Siebold · Panicled hydrangea
Kolster Holding B.V., Boot & Co. Boomkwekerijen B.V.
Brain de Soleil
ActiveSymphoricarpos x chenaultii Rehder · Chenault coralberry
Quemard Pascal|Brain sur I' Authion, FR
Boardwalk
ActiveLilium L. · Lily
Testcentrum voor Siergewassen B.V.
Allastpure
ActiveAstrantia major L. · Masterwort
WIM VAN DEN HOOGEN
ALIHOLL
ActivePrimula vialii Delavay ex Franch.
John Holland
Blue Moon
ActiveChamaecyparis pisifera (Siebold & Zucc.) Endl. · Sawara cypress
Iseli Nursery Inc.
Baby Doll
ActiveVeronica L. · Speedwell
Verschoor Jan|Haarlem, NL
Athens Blue Spires
ActiveRosmarinus officinalis L. · Rosemary
ARMITAGE ALLAN M.
AINOOMOI
ActiveChaenomeles speciosa (Sweet) Nakai · Chinese-quince
Shigehisa Ishii
B1PINK
ActiveHibiscus moscheutos L. x H. syriacus L.
Antoine Bultinck
Boléro
ActiveHydrangea macrophylla (Thunb.) Ser. x H. scandens (L. f.) Ser.
Claudie Lambert^^^Hélène Bertrand^^^Daniel Relion^^^Danièle Daury^^^Agrocampus-Ouest Centre d'Angers - INHP
BETTINA
ActiveCalluna vulgaris (L.) Hull · Common heather
Johannes van Leuven
Appalachian Trail
ActiveTiarella L. · Foamflower
Janet N. Egger
Blue Pirouette
ActiveClematis L. · Clematis
Win Snoeijer
Blue By You
ActiveSalvia L. · Sage
Sloane M. Scheiber^^^Jessica D. Janes
Arturtle
ActiveChelone obliqua L.
Mark R. Boeder
Blagon
ActiveGinkgo biloba L. · Ginkgo
Derly Obtentions S.A.R.L.
Blacher
ActivePhygelius E. Mey. · Cape fuchsia
White Anthony Robin|Alresford, GB / White Susan|Alresford, GB
Arbelpaso
ActiveLavandula angustifolia Mill. · English lavender
Armada International B.V.
Barcelona Purple
ActiveLavandula stoechas L. · French lavender
The Paradise Seed Company Pty Ltd
Antonius
ActivePrunus laurocerasus L. · Cherry laurel
Miklós Józsa
Barcelona
ActiveCalluna vulgaris (L.) Hull · Common heather
Edens Creations B.V.
BELSEMGRE1
ActiveSempervivum arachnoideum L. · Cobweb houseleek
BELGICACTUS B.V.B.A.