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
Lowell Glen Bradford (US)
Begonia x hiemalis Fotsch · Elatior Begonia
Josef Heuger
Solanum tuberosum L. · Potato
Jack Dunnett
Festuca arundinacea Schreb. · Tall fescue
NEXGEN TURF RESEARCH LLC
Verbena L. · Vervain
Syngenta Seeds B.V.
Lolium perenne L. · Perennial ryegrass
PURE SEED TESTING
Festuca arundinacea Schreb. · Tall fescue
ZSEEDS LLC & RUTGERS
Medicago sativa L. · Alfalfa
S.I.S Societa Italiana Sementi S.p.a.
Poa pratensis L. · Kentucky bluegrass
Novel AG, Inc. & Columbia River Seeds, LLC
Cucumis melo L. · Melon
HM CLAUSE, FR
Lolium perenne L. · Perennial ryegrass
Turf Merchants Inc (US)/Turf Seed Inc (US)
Capsicum annuum L. · Bell pepper
GAVRISh SERGEJ FEDOROVICh / FILIMONOVA YuLIYa ALEKSEEVNA / KAPUSTINA RAISA NIKOLAEVNA / GLADKOV DMITRIJ SERGEEVICh / VOLKOV ALEKSANDR ALEKSANDROVICh / SEMENOVA ANNA NIKOLAEVNA / REDIChKINA TAT'YaNA ALEKSANDROVNA / ARTEM'EVA GALINA MIHAJLOVNA / SEDIN ALEKS
Daucus carota L. · Carrot
BEJO ZADEN
Poa pratensis L. · Kentucky bluegrass
PICKSEED WEST INC
Lilium L. · Lily
Nicolaas Aloysius Maria Mak
Torenia L. · Bluewings
Suntory Flowers
Prunus persica (L.) Batsch · Peach
Phlox drummondii Hook. · Annual phlox
Suntory Flowers Limited, Chiyoda-ku, Tokyo
Rosa L. · Rose
KEIREN E.
Caryopteris x clandonensis A. Simmonds ex anon. · Clandon bluebeard
West End Nurseries
Calibrachoa Cerv. · Calibrachoa
Yasuyuki Murakami
Vitis L. · Grapevine
LABORATORIO DE INVESTIGACION DE CULTIVOS HORTICOLAS DEL SERVICIO DE INVESTIGACION AGRICOLA
Petunia Juss. · Petunia
Yasuko Isobe, Takeshi Kanaya
Senecio candidans DC.
MATIAS EDUARDO AVENDANO CEBALLOS