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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.

Gladice

Terminated

Vicia faba L. · Broad bean

Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

2 records

Fryraffles

Active

Rosa L. · Rose

Gareth R. Fryer

2 records

EMPMIS03

Active

Miscanthus sinensis Andersson · Chinese silver grass

Piro Newplants B.V.

2 records

Emma

Active

Calluna vulgaris (L.) Hull · Common heather

Helmut und Thomas Hiedl GbR

2 records

Emerald

Active

Thuja L. · Arborvitae

Heco Stekcultures B.V.

2 records

FPW03

Active

Lycium barbarum L. · Goji berry

Pantin Olivier

2 records

Elisabeth

Active

Phlox paniculata L. · Garden phlox

Noordhuis Bart|Boyl, NL

2 records

Forza Red

Active

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

2 records

Elsie's Gold

Active

Hylotelephium spectabile (Boreau) H. Ohba · Ice plant

Robert Bett

2 records

Garspice

Active

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

2 records

FLORACHYE1

Active

Achillea millefolium L. · Yarrow

Florensis B.V.

2 records

G2X88544VAR

Active

Diervilla x splendens (Carrière) G. Kirchn.

Richard A. Grazzini

2 records

Flammenn

Active

Salvia xjamensis J. Crompton · Jame sage

Catherine Bernabe

2 records

Dark Beauty

Active

Molinia arundinacea Schrank

Petrus Hendricus Oudolf

3 records

Fiwopink

Active

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

MICHALIK ANDREA

2 records

Frozen Flame

Active

Veronica L. · Speedwell

van Niekerk Johan|Waddinxveen, NL

3 records

Dancing Snow

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Toyokazu Ichie

2 records

Fredo

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Fingerprint

Active

Sorbus aucuparia L. · Rowan

De Martelaer Boomkwekerij B.V.B.A.

2 records

FLORLAVWH1

Active

Lavandula angustifolia Mill. · English lavender

Florensis B.V.

2 records

Curiosity

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

DCOREO16

Active

Coreopsis grandiflora Hogg ex Sweet · Large-flowered tickseed

Gavriel Danziger

2 records

COUMONT

Active

hybrids between Hydrangea macrophylla (Thunb.) Ser. and Hydrangea serrata (Thunb.) Ser.

Jacques Couturieux

2 records

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