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.

Sources10

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

Rose 1 062 Apple 843 Bread wheat 657 Lily 410 European pear 348 Bigleaf hydrangea 315 Peach 264 Rapeseed 258 European plum 245 Grapevine 229 Perennial ryegrass 224 Sweet cherry 223

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.

Meilomit

Active

Rosa L. · Rose

Meilland Alain A.

7 records

Marrow Stem

Active

Brassica oleracea L. (Kale Group) · Kale

Sharpes International Ltd, Lincs, NG 34 7HA

7 records

Merlin

Active

x Festulolium Aschers. et Graebn. · Festulolium

INIA-La Estanzuela

6 records

Korfobalt

Active

Rosa L. · Rose

Wilhelm Kordes, W. Kordes' Sohne Rosenschulen GmbH & Co KG

6 records

Korunalike

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

6 records

Julie

Active

Triticum aestivum L. · Bread wheat

Selgen, CZ

10 records

Karolina

Active

Festuca arundinacea Schreb. · Tall fescue

PERTTI PARSSINEN

8 records

Hobella

Active

Hydrangea L. · Hydrangea

Jacobus Gerardus Hofstede|Wilhelmus Jacobus Gerardus Hofstede

6 records

Honeycrisp

Active

Malus domestica (Suckow) Borkh. · Apple

University of Minnesota (US)

8 records

ES Momento

Active

Brassica napus var. napus · Rapeseed

LIDEA FRANCE SAS

8 records

Crimson Glo

Active

Prunus salicina Lindl. · Japanese plum

Zaiger's Inc. Genetics

9 records

Courier

Active

Lilium L. · Lily

Vletter en den Haan Beheer B.V.

6 records

Brindisi

Active

Lilium L. · Lily

Vletter en den Haan Beheer B.V.

6 records

Blanc Seedless

Active

Vitis vinifera L. · Common grape vine

MARANTO JOSEPH

6 records

Ausbreak

Active

Rosa L. · Rose

David J.C.Austin

6 records

Aprica

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michelangelo Leis^^^Alessio Martinelli

8 records

Aquarius

Active

Medicago sativa L. · Alfalfa

NEW SOUTH WALES DEP.OF AGRIC.

12 records

Vera Deep Purple

Active

Bougainvillea Comm. ex Juss. · Bougainvillea

Rijnplant B.V.

6 records

Tarrango

Active

Lilium L. · Lily

Vletter en den Haan Beheer B.V.

8 records

Suplumthirtyseven

Active

Prunus salicina Lindl. · Japanese plum

Terry Bacon and David W. Cain, Sun World International, LLC

7 records

Sheegene 21

Active

Vitis L. · Grapevine

Timothy P.Sheehan

8 records

Rendia

Active

Hydrangea paniculata Siebold · Panicled hydrangea

Renault Jean

6 records

Ruby Falls

Active

Cercis canadensis L. · Eastern redbud

Werner Dennis James|Raleigh, NC, US / Snelling Layne Karlton|Cary, NC, US

6 records

Red Fountain

Active

Cordyline Comm. ex Juss. · Palm lily

Mark Jury Nursery

7 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.