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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.

Red Heat

Active

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

2 records

Red Fountain

Active

Dicentra eximia x Dicentra peregrina

Akira Shiozaki

2 records

Pixie

Active

Dianthus gratianopolitanus Vill. · Cheddar pink

Gretchen Zwetzig

2 records

Red Baron

Active

Echinacea purpurea (L.) Moench · Purple coneflower

Dick Degenhardt

2 records

Poulpah121

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records

Pink Harmony

Active

Erica x darleyensis Bean · Darley heath

Kurt Kramer

2 records

Purple Reign

Active

Eucomis L’Her. · Pineapple lily

Hansen Hans A

2 records

Poultc007

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records

Redbolwi

Active

Skimmia japonica Thunb. · Japanese skimmia

Albert L.C. Bolwijn

2 records

Praying Hands

Active

x Mangave D. Klein · Mangave

Hansen Hans A

2 records

Ravpil

Active

Geranium cinereum Cav. · Grey cranesbill

Ravenscroft John

3 records

Piranha

Active

Aloe L. · Aloe

Eden Collection B.V.

2 records

Pink Haze

Active

Pulmonaria L. · Lungwort

SOLARI JOHN, SOLARI ROSEMARY

2 records

PETWIBLV

Terminated

Petunia Juss. · Petunia

Syngenta Seeds B.V.

2 records

PPIXAN002

Active

Xanthosoma sagittifolium (L.) Schott

René P.A. van der Arend

2 records

Pink Penny

Active

Geranium wallichianum D. Don ex Sweet · Wallich's geranium

van Noort Marco|Warmond 2361 HG, NL

2 records

Pink Delight

Terminated

Clematis L. · Clematis

Win Snoeijer

2 records

POULPAL071

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records

PA8UNIBO

Application submitted

Prunus avium (L.) L. · Sweet cherry

Stefano Lugli

2 records

Polwina

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

VISSERS AMERICA B.V.

3 records

PORTO2

Terminated

Campanula portenschlagiana Schult. · Dalmatian bellflower

Gartneriet PKM A/S

2 records

Peko

Active

Cordyline Comm. ex Juss. · Palm lily

Talidor N.V.

2 records

Perfection

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Ryoji Irie

2 records

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