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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.

Univers

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Van der Have B.V.

BE DE DK ES FR IT +2
11 records

Waldorf

Protection expired

Festuca rubra L. · Red fescue

SESVANDERHAVE N.V./S.A. (BE)

DE DK EE FR HR NL +1
16 records

Carina

Protection expired

Festuca rubra L. · Red fescue

DLF Trifolium A/S

DE DK EE HR LT PL +1
17 records

Sauvignon

Active

Lolium perenne L. · Perennial ryegrass

DLF TRIFOLIUM A/S, Dansk Planteforedling (DK)

CZ DE DK EE FR HR +1
15 records

Litember

Active

Sinapis alba L. · White mustard

Euro Grass Breeding GmbH Co. KG

DE DK EE LT LU LV +1
12 records

Plaisir

Active

Lolium perenne L. · Perennial ryegrass

Veronique Mercier

CZ DE EE FR LT PL +1
16 records

Arosa

Active

Solanum tuberosum L. · Potato

ZIMMERMANN WILLI

DE HR HU IT LT SI +1
14 records

Elshof

Active

Malus domestica (Suckow) Borkh. · Apple

STICHTING WAGENINGEN RESEARCH-WAGENINGEN PLANT RESEARCH

BE DE ES FR HU NL +1
16 records

Hinova

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Bejo Zaden BV (NL)

CZ HR HU NL PL SI +1
11 records

Diamant

Active

Cucurbita pepo L. · Field pumpkin

Pan American Seed Co. (US)

CZ ES FR HR PL SI +1
10 records

Vesuvius

Active

Lolium perenne L. · Perennial ryegrass

Zelder BV (NL)

DE DK FI FR NL UA
17 records

Famosa

Active

Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage

Bejo Zaden, NL

CZ HR HU NL PL SI +1
10 records

Ananas

Active

Cucumis melo L. · Melon

Royal Sluis (NL)

BG CZ HR HU NL SI +1
10 records

Red Star

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Nunhems, NL

BG HR HU NL SK UA
11 records

Suncrest

Active

Prunus persica (L.) Batsch · Peach

United State Department of Agriculture - Georgie (US)

CZ ES FR HU RO SI
16 records

Scrabble

Active

Hordeum vulgare L. · Barley

Syngenta Seeds

CZ FI FR LT SK UA
15 records

Pirouet

Active

Capsicum annuum L. · Bell pepper

Syngenta Seeds, NL

BG CZ HR NL SK UA
12 records

Enprima

Active

Poa pratensis L. · Kentucky bluegrass

DLF B.V.

CZ EE HU NL PL SK
11 records

Farao

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Bejo Zaden B.V.

CZ HU NL PL SI SK
12 records

Tiber

Active

Lilium L. · Lily

Vletter en den Haan Beheer B.V.

BE DE FR NL PL
10 records

Topgun

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Syngenta Seeds, NL

BG HU NL SI SK
10 records

Meipinjid

Active

Rosa L. · Rose

SNC Meilland et Cie

DK ES FR IT SE
11 records

Excel

Active

Malus domestica (Suckow) Borkh. · Apple

N.V.JOMOBEL

BE CZ FR HU PL
15 records

Graffiti

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Zsolt Galli

CZ DK PL SK UA
10 records

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