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.
Calluna vulgaris (L.) Hull · Common heather
Kurt Kramer (Heidezüchtung)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Ed Snyder
Dahlia Cav. · Dahlia
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Lilium L. · Lily
Vontade B.V.
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
GAYLAND WARD SEED CO. INC.
Prunus persica (L.) Batsch · Peach
Lobanovs`ka Valentyna Fedorivna, Fedorova Ol`ha Stepanivna, Rikhter Oleksandr Oleksandrovych, Smykov Volodymyr Karpovych, Smykov Anatolii Volodymyrovych, Perfil`ieva Zoia Mykolaivna, Riabov Ivan Mykolaiovych,
Solanum lycopersicum L. · Tomato
AUSTROSAAT Österr. Samenzucht- und Handels-AG
Brassica oleracea L. (White Cabbage Group) · White cabbage
Siegfried Lachmann
hybrids between Prunus armeniaca and Prunus domestica
Argir Zhivondov, Yuliya Bozhikova
Chrysanthemum L. · Chrysanthemum
C.B.A Research B.V.
Salvia splendens Sellow ex Schult. · Scarlet sage
CNOS Przedsiebiorstwo Nasiennictwa Ogrodniczego sp. z o.o.
Chrysanthemum L. · Chrysanthemum
Zavidova Liudmyla Hnativna, Horobets Vasyl Fedorovych,
Raphanus sativus L. ssp. acanthiformis (Morel) Stankev · Daikon
Jean-Charles Renaudat
Vitis vinifera L. · Common grape vine
Sun World International, Inc (US)
Vitis vinifera L. · Common grape vine
Sun World International, Inc (US)
Fragaria L. · Strawberry
Information not available - Contact NL authorities
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
Dekalb Genetics Corporation (usa) (US)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Robert Priieur
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Enza Zaden Beheer B.V.
Hosta Tratt. · Hosta
Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,
Allium fistulosum L. · Welsh onion
Shabetia Oksana Mykolaivna, Tymchuk Viktor Mykhailovych, Litvinova Olena Oleksandrivna, Shabetia Viktor Volodymyrovych,
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
GAYLAND WARD SEED CO. INC.
Chrysanthemum indicum L. · Indian chrysanthemum
FIDES BEHEER BV (NL)
Cucumis sativus L. · Cucumber
Arkadiusz Labrzycki