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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.

Evita

Active

Rhododendron simsii Planch. · Indica azalea

Hortibreed N.V.

2 records

Dolkis

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

Dolgo

Active

Malus Mill. · Apple

Sagaplant AS, N-3812 Akkerhaugen

2 records

Domino

Active

Prunus armeniaca L. · Apricot

PSB Producción Vegetal S.L

3 records

Dolgip

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

EVIPO024

Active

Clematis L. · Clematis

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

2 records

Cologne

Active

Calluna vulgaris (L.) Hull · Common heather

Edens Creations B.V.

2 records

Fantasia

Terminated

Hydrangea L. · Hydrangea

W. G. van der Jagt

2 records

Ditosmel

Active

Phlox paniculata L. · Garden phlox

Tonies Hubertus Josephus|Noordwijkerhout, NL

2 records

Destino Orange

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Edvin

Active

Hedera helix L. · Common ivy

Tomas Lagerström

2 records

DWAgHyb21

Application submitted

Agapanthus L'Hér. · Lily of the Nile

DE WET PLANT BREEDERS (PTY) LTD

2 records

Cantor

Active

Zantedeschia Spreng. · Arum-lily

Trendflor B.V.

2 records

Dark Fire

Active

Crocosmia Planch. · Montbretia

BLOOMS NURSERIES LTD.

2 records

Dreamline

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Burpeachfortyone

Active

Prunus persica (L.) Batsch · Peach

John K. Slaughter^^^Timothy J. Gerdts

3 records

Captain Maestro

Active

Zantedeschia Spreng. · Arum-lily

Kapiteyn Breeding B.V.

2 records

Country Sweet

Active

Prunus persica (L.) Batsch · Peach

Zaiger Chris Floyd / Zaiger Gary Neil / Gardner Leith Marie / Zaiger Grant Gene

3 records

Dodelsolpi

Active

Delosperma cooperi (Hook. f.) L. Bolus · Trailing ice plant

Koot Arjan

2 records

Brittney Lane

Active

Prunus persica (L.) Batsch · Peach

Zaiger, Chris Floyd|929 Grimes Ave., Modesto, CA 95358 / Zaiger, Gary Neil|1907 Elm Ave., Modesto, CA 95358 / Gardner, Leith Marie|1207 Grimes Ave., Modesto, CA 95358 / Zaiger, Grant Gene|4005 California Ave., Modesto, CA 95358

3 records

Coctarlotte

Active

Rosa L. · Rose

JAMES COCKER AND SONS

3 records

Bokraruibas

Active

Rosa L. · Rose

De Ruiter Intellectual Property B.V., Boot & Co. Boomkwekerijen B.V.

2 records

Dolfrag

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

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