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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

Winter protection — Hydrangea macrophylla 237 Winter protection for lettuce 141 Winter protection of roses 96 Winter Cover — White Cabbage 87 Winter protection of grapevine 79 Winter covering of radish 71 Winter protection for lilies 63 Winter protection of chrysanthemums 52 Winter protection of grapes 37 Winter protection — Garden strawberry 29 Winter protection — raspberry and blackberry 25 Winter protection for carrots 25 Winter protection for Clematis 20 Winter protection of blackberries 20 Winter covering of endive 19 Winter protection — Hydrangea serrata 17 Winter protection of fig trees 15 Winter protection of Hydrangea 15 Winter covering of potatoes 15 Winter protection of radish 14 Winter protection — Garden Chrysanthemum 13 Winter protection — Chinese cabbage 13 Winter protection of asparagus 11 Winter protection — Rubus idaeus L. x Rubus subg. Eubatus Focke 11

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.

Barglacira

Application submitted

Dianthus caryophyllus L. · Carnation

Emilio Cano

2 records

Bubble Gum

Active

Pulmonaria L. · Lungwort

TERRA NOVA NURSERIES INC

2 records

Barcobana

Terminated

Dianthus caryophyllus L. · Carnation

Emilio Cano

2 records

Camila

Active

Rubus L. subg. Rubus · Blackberry

María Pilar Bañados Ortíz, Alejandra Andrea Salgado Rojas, John Reuben Clark.

3 records

Albufeira

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Balcelwitim

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

LESLIE HEFFRON

2 records

Balcarpait

Active

Heuchera L. · Coral Flower

Ellen Leue

2 records

Bonxer 1856

Active

Xerochrysum bracteatum (Vent.) Tzvelev · Strawflower

Bernuetz Andrew

2 records

Big Sunlight

Active

Bidens ferulifolia (Jacq.) DC. · Apache beggartick

Bull Norbert|24610 Gonnebek, DE

2 records

Berghman

Active

Leontopodium alpinum Cass.

Herman D.M.L. Berghman

2 records

ABECHCORAN

Active

Echinacea purpurea (L.) Moench · Purple coneflower

Henk Holtmaat

2 records

Blacher

Active

Phygelius E. Mey. · Cape fuchsia

White Anthony Robin|Alresford, GB / White Susan|Alresford, GB

2 records

Annette

Withdrawn

Geranium pratense L. · Meadow crane's-bill

Gordon Collier

2 records

Barkanui

Terminated

Dianthus caryophyllus L. · Carnation

EMILIO A. CANO VICENTE

2 records

BFCCTCL

Active

Clematis lanuginosa Lindl. & Paxton

Barry Fretwell

2 records

Bardumas

Terminated

Dianthus caryophyllus L. · Carnation

Emilio Cano

2 records

Barbados

Terminated

Lilium L. · Lily

PEACOK B.V.& IMANSE LELIEVEREDEL ING B.V.

2 records

Barmapleta

Terminated

Dianthus caryophyllus L. · Carnation

Carlo Moraglia

2 records

Bardyshan

Terminated

Dianthus caryophyllus L. · Carnation

EMILIO A. CANO VICENTE

2 records

Ace of Hearts

Active

Cercis canadensis L. · Eastern redbud

Woody Paul Buddy Ewing|Morganton, NC, US

2 records

Baby Pete

Active

Agapanthus praecox subsp orientalis (F.M. Leight) F.M. Leight. · Common agapanthus

Francis Rupert Benson

2 records

Balcushite

Active

Petunia Juss. · Petunia

GAIL SHAFER

2 records

Autumn Pink

Active

Caryopteris Bunge · Caryopteris

Kromhout B.V.

2 records

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