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.
Raphanus sativus L. var. sativus · Radish
Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Allium schoenoprasum L. · Chives
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Brassica rapa L. · Turnip rape
P.H.PETERSEN SAATZUCHT LUNDSGAARD
Capsicum annuum L. · Bell pepper
ISI SEMENTI SPA
Prunus domestica L. · European plum
Julius Eslon 75%, Arthur Jaama 25%
Capsicum annuum L. · Bell pepper
ReinSaat KG
Malus domestica (Suckow) Borkh. · Apple
Cucumis melo L. · Melon
Gautier Semences SAS (FR)
Vicia faba L. var. major Harz · Broad bean
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Cucumis melo L. · Melon
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Allium porrum L. · Leek
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Corylus avellana L. · Common hazel
Information not available - Contact NL authorities
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Allium porrum L. · Leek
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Cucurbita pepo L. · Field pumpkin
Enza Zaden Beheer B.V.
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
Enza Zaden Beheer B.V.
Malus domestica (Suckow) Borkh. · Apple
Kalju Kask 100%
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Gautier Semences SAS (FR)
Brassica juncea (L.) Czern. · Brown mustard
Massimo Montanari^^^Luca Lazzeri^^^Roberto Matteo
Cucumis melo L. · Melon
Domaine Public (FR)
Cucumis sativus L. · Cucumber
Zaklad Ogrodniczy Przyborow sp. z o.o.