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 domestica L. · European plum
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Malus domestica (Suckow) Borkh. · Apple
Kalju Kask 100%, Estonian Univerity of Life Sciences Institute of Agricultural and Environmental Sciences Polli Horticultural Research Centre, Polli, Karksi-Nuia, 69108, Viljandimaa, Estonia
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Solanum lycopersicum L. · Tomato
Domaine Public (FR)
Prunus avium (L.) L. · Sweet cherry
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Rubus idaeus L. · Red raspberry
Johannes Parksepp 100%
Rosa L. · Rose
Rosaplants SCEA (FR)
Cucumis sativus L. · Cucumber
MERIDIEM SEEDS S.L.
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Cucumis melo L. · Melon
Gautier Semences SAS (FR)
Vitis vinifera L. · Common grape vine
Reisch, Bruce I.|Geneva, NY / Pool, Robert M.|Geneva, NY / Watson, John P.|Phelps, NY / Remaily, George W.|Hammondsport, NY / Einset, John|deceased, late of Geneva, NY, by Hjordis Einset, executrix
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Jon Thompson
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
SEMILLAS FITO, S.A.
Prunus persica (L.) Batsch var. nucipersica (Suckow) C. K. Schneid. · Nectarine
Enns, John H
Zea mays L. · Maize
FREIHERR VON MOREAU SAATZUCHT
Solanum lycopersicum L. · Tomato
Vilmorin SA (FR)
Dieffenbachia Schott · Dumbcane
Edwin John Frazer
Brassica oleracea L. (Cauliflower Group) · Cauliflower
ROYAL SEEDS S.R.L.
Cucumis melo L. · Melon
Graines Gautier SA (FR)
Raphanus sativus L. var. sativus · Radish
Enza Zaden Beheer B.V.
Capsicum annuum L. · Bell pepper
Clause Semences SA (FR)