Cultivation
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.
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.
Capsicum annuum L. · Bell pepper
ENZA ZADEN BEHEER B.V.
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
BEJO ZADEN
Capsicum annuum L. · Bell pepper
SABANCI METIN
Sinapis alba L. · White mustard
VANDINTER RESEARCH B.V.
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
New Fruits, I
Sinapis alba L. · White mustard
VEREDELINGSSTATION AG
Capsicum annuum L. · Bell pepper
Ger Beemsterboer
Lolium perenne L. · Perennial ryegrass
PRODANA SEED A/S - DLF SEEDS A/S
Lolium perenne L. · Perennial ryegrass
DLF Trifolium A-S, DK
Lolium perenne L. · Perennial ryegrass
Teagasc
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Nunhems B.V.
Allium fistulosum L. · Welsh onion
Nunhems Germany GmbH
Festuca rubra L. · Red fescue
DLF Trifolium A-S, DK
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Malus domestica (Suckow) Borkh. · Apple
Schniga GmbH (IT)
Lolium perenne L. · Perennial ryegrass
Aberystwyth University (IBERS)
Rosa L. · Rose
Rosen Tantau KG
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Niels Arts, Hydrangea Breeders Association B.V.
Vicia sativa L. · Common vetch
HAO-DEMETER-Fodder Crops and Pastures Institute
Lolium perenne L. · Perennial ryegrass
DLF Seeds A/S
Prunus persica (L.) Batsch · Peach
Zaiger's Inc. Genetics
Lupinus angustifolius L. · Narrow-leaf lupin
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Poa trivialis L. · Rough bluegrass
SEMILLAS FITO' S.A.
Rosa L. · Rose
Weeks Roses Inc (US)