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Cultivation

Winter covering

Winter covering is an agrotechnical practice for plant protection, indicating a variety's insufficient adaptation to the local climate. The necessity of this procedure shifts crop cultivation into an intensive and labor-intensive format, requiring regular expenditures and strict adherence to work s…

Mentioned in descriptions 14 029 varieties reference book.

The need for winter covering manifests as mandatory annual plant preparation, including mulching, hilling, bending down shoots, or using protective frames and materials. This is a variety marker indicating its inability to independently withstand local climatic conditions, which compels the agronomist to create an artificial environment for protection against frost damage.

Protection effectiveness directly depends on adhering to timelines and the quality of materials used. Early covering at high temperatures can provoke rotting or the development of fungal diseases, while late covering will not protect against early frosts. The success of the operation is also determined by the general condition of the plants: weakened specimens or an excess of nitrogen nutrition in autumn increase the risk of death even when protective structures are present.

Assessing the feasibility of covering relies on economic profitability and agrotechnical capabilities. With the aging of woody and shrub crops, the complexity of installing structures increases, which reduces the scalability of plantings. When choosing a variety, it is recommended to consider frost resistance data and prioritize regionalized winter-hardy alternatives that do not require manual intervention during the winter period.

Sources10

Breakdown by crop

Winter protection — Hydrangea macrophylla 237 Winter protection for lettuce 141 Winter protection of roses 96 Winter Cover — White Cabbage 87 Winter protection of grapevine 79 Winter covering of radish 71 Winter protection for lilies 63 Winter protection of chrysanthemums 52 Winter protection of grapes 37 Winter protection — Garden strawberry 29 Winter protection — raspberry and blackberry 25 Winter protection for carrots 25 Winter protection for Clematis 20 Winter protection of blackberries 20 Winter covering of endive 19 Winter protection — Hydrangea serrata 17 Winter protection of fig trees 15 Winter protection of Hydrangea 15 Winter covering of potatoes 15 Winter protection of radish 14 Winter protection — Garden Chrysanthemum 13 Winter protection — Chinese cabbage 13 Winter protection of asparagus 11 Winter protection — Rubus idaeus L. x Rubus subg. Eubatus Focke 11

Found in these crops

Apple 613 Grapevine 393 Tomato 340 Peach 338 Melon 293 Cauliflower 270 Bell pepper 263 Perennial ryegrass 246 Rose 242 Cucumber 230 Watermelon 219 Bigleaf hydrangea 198

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.

Hoh 4528

Application submitted

Prunus domestica L. · European plum

Walter Hartmann

1 record

Ida

Terminated

Aubrieta Adans. · Rock cress

NIELSEN POUL ERIK

1 record

Garisabel

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Flowers of Sulphur

Terminated

Epimedium L. · Barrenwort

ANTHONY ROBIN WHITE|SUSAN BARBARA WHITE

1 record

HF 1112

Active

Helleborus x hybridus hort. ex Voss x Helleborus x nigercors J. T. Wall

Josef Heuger

1 record

Frymojo

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Holly Cot

Active

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

2 records

DWAGHYB20

Application submitted

Agapanthus L'Hér. · Lily of the Nile

DE WET PLANT BREEDERS (PTY) LTD

1 record

Firefly Diamond

Withdrawn

Achillea alpina L. x Achillea millefolium L.

Hans A. Hansen

1 record

Hans

Application submitted

Sarracenia purpurea

Carni Flora B.V.

1 record

Everbrite

Withdrawn

Carex oshimensis Nakai · Oshima sedge

Beotanics Ltd.

1 record

GENBEL

Terminated

Lonicera japonica Thunb. · Japanese honeysuckle

Peter M. Dealtrey, Deirdre S. Dealtrey

1 record

Domingo Gold

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Doibspruz

Terminated

Iberis sempervirens L. · Evergreen candytuft

Dümmen Group B.V.

1 record

Delicious Candy

Active

Echinacea Moench. · Coneflower

Marco van Noort Breeding B.V.

1 record

Delcremorcot

Active

Rosa L. · Rose

Société Nouvelle Pépinières et Roseraies Georges Delbard S.A.S.

1 record

El Santo

Terminated

Zantedeschia Spreng. · Arum-lily

Sande B.V.

1 record

Delphi's Secret

Terminated

Delphinium L. · Larkspur

Firma Kwekerij Delphi V.O.F.

1 record

Fuchia D'Été

Active

Lagerstroemia indica L. · Crape myrtle

Lagerstroemia S.A.R.L.

1 record

Dancaschop

Terminated

Petunia Juss. · Petunia

Gavriel Danziger

1 record

Filou Yellow

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

FLORSEROGL

Active

Hylotelephium telephium (L.) H. Ohba · Orpine

Florensis B.V.

1 record

EVIPO104

Active

Clematis L. · Clematis

Poulsen Roser A/S^^^Raymond J. Evison Ltd.

1 record

Conella Orange

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

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