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.

Art Tropico

Active

x Heucherella H. R. Wehrh. · Foamy bells

Diederik Scheys

1 record

ARTBUD 1565

Active

Buddleja davidii Franch. · Butterfly bush

Norbert Artmeyer

1 record

Bistro

Active

Allium cepa L. var. aggregatum G. Don · Shallot

Arjen Jacob Smit

1 record

Aura

Active

Rubus arcticus L. · Arctic raspberry

Maatalouden tutkimuskeskus (MTTK) (later: Maa- ja elintarviketaouden tutkimuskeskus (MTT)/ Present Luonnonvarakeskus (Luke))

1 record

Aphrodite 2020

Withdrawn

Calluna vulgaris (L.) Hull · Common heather

Kurt Kramer

1 record

Augusta 2

Terminated

Prunus armeniaca L. · Apricot

Domenico Montanari

2 records

A21001

Application submitted

Agapanthus L'Hér. · Lily of the Nile

Agapanthus B.V.

1 record

BELSEMMAG1

Active

Sempervivum arachnoideum L. · Cobweb houseleek

BELGICACTUS B.V.B.A.

1 record

Bee Happy

Active

Hydrangea paniculata Siebold · Panicled hydrangea

Hans Dofferhoff^^^Mike Dofferhoff

1 record

Best Wishes

Terminated

Clematis L. · Clematis

Tolver Gooch Ltd.

1 record

Black Truffle

Terminated

Lobelia cardinalis L.

Peter Heus

1 record

Beata

Active

Rubus arcticus L. · Arctic raspberry

Sveriges Lantbruksuniversitet SLU Öjebyn Forskningsstation

2 records

Anne Redetzky

Terminated

Digitalis purpurea L. · Common Foxglove

HOLLAND BRUNHILDE

1 record

Aphrodite

Withdrawn

Salvia microphylla Kunth · Baby sage

Denis-Plants B.V.

1 record

ANEM079LES

Active

Anemone x lesseri H. R. Wehrh.

Henk Holtmaat

1 record

Balu

Active

Erica gracilis J. C. Wendl. · Slender heath

Helmut Hiedl

1 record

Balsukafus

Active

Phlox paniculata L. · Garden phlox

Grace H Kim

1 record

Bangladesh

Terminated

Gladiolus L. · Gladiolus

Kwekersvereniging Partners

1 record

Amber Glow

Application submitted

Molinia caerulea (L.) Moench · moor grass

Future Plants Licentie B.V.

1 record

Bayou

Terminated

Heuchera L. · Coral Flower

Janet N. Egger

1 record

Balsomsolst

Terminated

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

Jianping Ren

1 record

Balsompred

Active

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

Jianping Ren

1 record

Amur

Terminated

Lonicera caerulea L. · Blue-berried honeysuckle

Research Institute of Fruit and Decorative Trees

1 record

Balfernarc

Withdrawn

Artemisia gmelinii Weber ex Stechm.

Christa Kievit^^^Karl F. Batschke

1 record

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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.