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.
Prunus persica (L.) Batsch · Peach
Malus domestica (Suckow) Borkh. · Apple
Société Nouvelle Pépinières et Roseraies Georges Delbard S.A.S.
Agrostis stolonifera L. · Creeping bentgrass
LEBANON TURF
Festuca rubra L. · Red fescue
Deutsche Saatveredelung AG - DSV (DE)
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER SEMO B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke Kato
Sinapis alba L. · White mustard
J. Joordens' Zaadhandel B.V.
Rubus idaeus L. · Red raspberry
Orzel Agnieszka
Festuca rubra L. · Red fescue
RAGT 2N S.A.S
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Beemsterboer
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER SEMO B.V.
Trifolium repens L. · White clover
Teagasc (IE)
Cucurbita pepo L. · Field pumpkin
Syngenta, NL
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta, NL
Sinapis alba L. · White mustard
J. Joordens' Zaadhandel B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Seeds B.V.
Lolium perenne L. · Perennial ryegrass
SEMENCES DE FRANCE
Lolium perenne L. · Perennial ryegrass
SEMENCES DE FRANCE
Festuca arundinacea Schreb. · Tall fescue
TurfOne & Rutgers, The State University of New Jersey
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Festuca rubra L. · Red fescue
DLF Trifolium A-S, DK
Petunia x hybrida hort. ex E. Vilm. · Garden petunia
Sakazaki Ushio
Brassica oleracea L. (White Cabbage Group) · White cabbage
Seminis Vegetable Seeds
Brassica oleracea L. (White Cabbage Group) · White cabbage
VAN DER PLOEG SJAAK