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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

Found in these crops

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.

Crocosmia masoniorum (L. Bolus) N. E. Br. · giant montbretia

Paul Lewis

1 record

Clematis L. · Clematis

Saphinov S.N.C., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

1 record

Diva

Terminated

Chrysanthemum L. · Chrysanthemum

Fides B.V.

1 record

Eris

Terminated

Chrysanthemum L. · Chrysanthemum

Andreas Niederländer

1 record

Cheops

Terminated

Campanula poscharskyana Degen · Trailing bellflower

HUBERT GERHARD STENMANS

1 record

Charmander

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

EVIPO098

Active

Clematis L. · Clematis

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

1 record

Ellie

Active

Calluna vulgaris (L.) Hull · Common heather

Kurt Kramer

1 record

Elbtal

Protection expired

Hydrangea L. · Hydrangea

CHRISTA HOFMANN

1 record

CIV64

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michelangelo Leis^^^Gianfranco Castagnoli^^^Alessio Martinelli

2 records

Salvia chamaedryoides Cav. x Salvia greggii A. Gray

Jan De Busschere

1 record

Cinderella

Withdrawn

Portulaca grandiflora Hook. · Moss rose

Theodorus B.J. Stroet

1 record

Chubby

Application submitted

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Senna corymbosa (Lam.) H. S. Irwin & Barneby

CATE - Comité Action Technique et Economique

1 record

Debbie

Terminated

Trifolium repens L. · White clover

Bent Juhl Jensen

1 record

Charlotte

Withdrawn

Alstroemeria L. · Alstroemeria

Robert Adrian Goemans

1 record

DANOVA906

Withdrawn

Sutera cordata Thunb. Kuntze · Bacopa

Gavriel Danziger

1 record

Dananab3

Terminated

Lobelia erinus L. · Edging lobelia

Gavriel Danziger

1 record

Dania

Terminated

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

DANBRIT4

Terminated

Jamesbrittenia breviflora (Schltr.) Hilliard

Gavriel Danziger

1 record

Double Bubble

Withdrawn

Dianthus caryophyllus L. · Carnation

Hans A. Hansen

1 record

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