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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.

Balcabpurim

Active

Calibrachoa Cerv. · Calibrachoa

Ren Jianping

2 records

080113

Terminated

Campanula portenschlagiana Schult. · Dalmatian bellflower

GARTNERIET ELMEGAARD ANDERSEN APS^^^GERT KIM JENSEN

2 records

Bailteaone

Active

Itea virginica L. · Sweetspire

Michael A. Dirr^^^Rhonda Helvick^^^Oren McBee

2 records

Avalanche

Active

Parahebe catarractae (G. Forst.) W. R. B. Oliv.

Stephen Burton

2 records

Atlantis

Active

Hosta Tratt. · Hosta

Hansen Hans Andrew|Waseca, MN 56093, US / Avent Tony|Raleigh, NC 27603, US

2 records

Arctic Ocean

Active

Agapanthus L'Hér. · Lily of the Nile

Cornelis H.A. van Eijk

2 records

Argymip

Active

Argyranthemum frutescens (L.) Sch. Bip. · Marguerite daisy

van Kleinwee Theodorus Cornelis Maria|Hoorn, NL / Houbraken Anna M. W. P.|Fijnaart, NL

2 records

Angelina

Active

Daboecia cantabrica (Huds.) K. Koch · Connemara heather

Kurt Kramer

2 records

Andes

Terminated

Lolium perenne L. · Perennial ryegrass

MOMMERSTEEG INTERNATIONAL

3 records

Amiko Red

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

AMIAL2139

Active

Aloe L. · Aloe

van Langen Gerard

2 records

Alitop

Active

Prunus persica (L.) Batsch · Peach

ALESSANDRO LIVERANI

3 records

Amiko Orange

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Aida

Active

Pyrus communis L. · European pear

Lorenzo Rivalta

3 records

Agerboyuma

Active

Ageratum houstonianum Mill. · Flossflower

The Estate of Thomas H. Boyle

2 records

Alicia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Sweet Darling Sales Inc.

2 records

Alice

Active

Geranium L. · Crane's Bill

Carl Marius Lowe

3 records

Aduro Orange

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

KWS Allinno

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

BE
3 records

BC180

Active

Zea mays L. · Maize

Bc Institut d.d. Zagreb (HR)

UA
2 records

Coronata

Terminated

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

TAKII EUROPE B V

NL
2 records

Teutonengold

Terminated

Brassica rapa L. var. rapa (L.) Thell. · Turnip

NEBELUNG| Bruno Nebelung GmbH & Co. KG

DE
2 records

Manessa

Active

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

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

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