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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.

Zulema

Active

Brachypodium distachyon (L.) P. Beauv. · Purple false brome

Instituto Andaluz de Investigación y Formación Agraria Pesquera y Alimentaria (IFAPA)^^^Agrosa Semillas Selectas S.A.

2 records

Vercor 5

Active

Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn. · Pampas grass

Gijsbertus Verhoef

2 records

TURNER01

Active

Oenothera L. · Evening Primrose

Star Nurseries Limited

2 records

TURCAL209

Active

Alstroemeria L. · Alstroemeria

Vele Mathieu

2 records

VEL11TRPOA

Active

Rosa L. · Rose

Boomkwekerijen Louis Lens N.V.

2 records

Vega

Terminated

Chrysanthemum L. · Chrysanthemum

Valleflor S.L.

2 records

Versdidem

Active

Achillea ptarmica L.

Verschoor Janus

2 records

TOSCAT0535

Active

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

Floha V.O.F

2 records

Zospi

Active

Clematis L. · Clematis

Wim Snoeijer

2 records

Wedding Gown

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Toyokazu Ichie

2 records

Uripinkone

Active

Dianthus L. · Carnation

Kong Young Park

2 records

WALMAUVRUF

Active

Rhododendron L. · Azalea

Walberton Plants LTD

2 records

TURK8

Active

Agapanthus L'Hér. · Lily of the Nile

Ernest Turc S.A.S.

2 records

TUR161

Active

Agapanthus L'Hér. · Lily of the Nile

Ernest Turc Productions S.A.S.

2 records

TSAECH1820

Active

hybrids between Echeveria laui Moran & J. Meyrán and Echeveria pulidonis E. Walther

Tosjami B.V.

2 records

Venezia

Active

Gladiolus L. · Gladiolus

Testcentrum voor Siergewassen B.V.

2 records

Zaitrobo

Active

Prunus persica (L.) Batsch · Peach

Floyd Zaiger

3 records

VEAZ0021

Terminated

Verbena L. · Vervain

Syngenta Crop Protection AG

2 records

White Marble

Active

Fittonia albivenis (Lindl. ex hort. Veitch) Brummitt · Nerve plant

Schoenmakers Tropische Potcultures V.O.F.

2 records

TAN04247

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

Tisento

Active

Lilium L. · Lily

Van Zanten Flowerbulbs B.V

2 records

Uptown Girl

Active

Phlox paniculata L. · Garden phlox

Hansen Hans A

2 records

Takcal

Terminated

Lithodora diffusa (Lag.) I. M. Johnst. · Purple gromwell

DANNY TAKAO

2 records

Thetis

Active

Caryopteris x clandonensis A. Simmonds ex anon. · Clandon bluebeard

Bernd Steinegger

2 records

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