Cultivation

Winter covering

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.

Sources10

Breakdown by crop

Found in these crops

Apple 613 Grapevine 393 Tomato 340 Peach 338 Melon 293 Cauliflower 270 Bell pepper 263 Perennial ryegrass 246 Rose 242 Cucumber 230 Watermelon 219 Bigleaf hydrangea 198

Varieties that feature this in their description

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.

Quest

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

3 records

Rea Juice

Active

Malus domestica (Suckow) Borkh. · Apple

Prof. Dr. Christa Fischer / Dr. Andreas Peil im Inst. f. ZF an gartenb. Kulturen und Obst -Julius-Kühn-Institut-

6 records

Rea

Active

Vicia villosa Roth · Hairy vetch

Poznanska Hodowla Roslin Sp. z o.o

3 records

Ravicille

Active

Prunus armeniaca L. · Apricot

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

5 records

Prolific Persian

Terminated

Trifolium resupinatum L. · Persian clover

SEEDCO

3 records

Purple Majesty

Active

Prunus salicina Lindl. · Japanese plum

Bradford Nursery (US)

4 records

Pure Gold

Active

Festuca arundinacea Schreb. · Tall fescue

TURF-SEED INC

4 records

Rafaela

Active

Capsicum annuum L. · Bell pepper

Semo, CZ

3 records

Primando

Active

Prunus armeniaca L. · Apricot

Marie-France Bois

7 records

Recoleta

Active

Cichorium endivia L. · Endive

Enza Zaden Beheer B.V.

5 records

Rapier

Active

Daucus carota L. · Carrot

TAKII EUROPE B V

4 records

Primaverde

Active

Asparagus officinalis L. · Asparagus

Aloys Rosen (Deutsche Spargelzucht)

4 records

Primidi

Active

Prunus armeniaca L. · Apricot

Newcot SAS (FR)

5 records

Prager

Active

Allium schoenoprasum L. · Chives

HORTI GIFTS LTD T/AS PROMO SEEDS UK

3 records

Powersouth

Terminated

Poa pratensis L. · Kentucky bluegrass

DEUTSCHE SAATVEREDELUNG AG

4 records

Poulasor

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

3 records

Poulerry

Active

Rosa L. · Rose

Poulsen Roser A/S

3 records

Podstolina

Active

Capsicum annuum L. · Bell pepper

Instytut Warzywnictwa im. Emila Chroboczka \Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Polska Hodowla i Nasiennictwo Roślin Ogrodniczych IWARZ-PNOS sp. z o.o.

4 records

Presto

Terminated

Cucumis sativus L. · Cucumber

RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL

3 records

Pharo

Active

Cucumis sativus L. · Cucumber

Sakata Vegetables Europe SARL (FR)

3 records

Pilavy

Application submitted

Solanum lycopersicum L. · Tomato

LUIS ORTEGA

3 records

Perennus

Terminated

Lolium perenne L. · Perennial ryegrass

DEUTSCHE SAATVEREDELUNG AG

4 records

Pendragon

Active

Cucumis melo L. · Melon

Syngenta Seeds BV (NL)

4 records

Pink Rosa

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Instytut Ogrodnictwa - Państwowy Instytut Badawczy (The National Institute of Horticultural Research)

7 records

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Cultivation

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.