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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.

Sugar Berry

Active

Heuchera L. · Coral Flower

Janet N. Egger

5 records

Tesdarklin

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

5 records

Snow Star

Active

Astrantia major ssp involucrata W.D.J. Koch

Geerlings Aad

4 records

Sunvivaro

Application submitted

Verbena L. · Vervain

YOMO, YASUNORI / MIYAZAKI, KIYOSHI / YOMO, YASUNORI / MIYAZAKI, KIYOSHI

4 records

Sunbelkos

Terminated

Calibrachoa Cerv. · Calibrachoa

Yasuyuki Murakami

4 records

Samantha

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

6 records

SAKIMP069

Active

Impatiens New Guinea Group · New Guinea Impatiens

SATO CHIHIRO

4 records

Spring Snow

Active

Prunus persica (L.) Batsch · Peach

Zaiger's Inc Genetics, Zaiger's Inc Genetics

5 records

Seward

Active

Physocarpus opulifolius (L.) Maxim. · Ninebark

Wood Timothy D.|Grand Haven, MI

4 records

Silver Shadow

Active

Astelia chathamica x Astelia nervosa

Prebble Tim / Prebble Hamish

4 records

SAKIMP023

Active

Impatiens New Guinea Group · New Guinea Impatiens

SATO CHIHIRO|MINEMURA SHINJI

4 records

Poulcot012

Active

Rosa L. · Rose

Poulsen Roser A/S

5 records

Red Knee High

Active

Echinacea purpurea (L.) Moench · Purple coneflower

Sunny Border Nurseries

4 records

Poulcot010

Active

Rosa L. · Rose

Poulsen Roser A/S

4 records

Rocklarwhi

Active

Saxifraga x arendsii Engl. · Arends saxifrage

Syngenta Seeds B.V.

4 records

Pmn06

Active

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

Maxwell John|Brassall, AU / Craigie Gail Alexis|Brassell, AU

5 records

Passionate Blush

Active

Oenothera lindheimeri (Engelm. & A. Gray) W. L. Wagner & Hoch · Lindheimer's beeblossom

Plant Growers Australia Pty Ltd

4 records

Poultc014

Active

Rosa L. · Rose

Poulsen Roser A/S

4 records

PHOZ0001

Active

Phlox subulata L. · Creeping phlox

Syngenta Seeds B.V.

4 records

Morning Mist

Active

Buddleja L. · Buddleia

Peter R. Moore

4 records

Morning Dew

Terminated

Begonia L. · Begonia

LUBBERTUS H.KOPPE

4 records

Meisylpho

Active

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

4 records

Meilaclost

Active

Rosa L. · Rose

Meilland Alain A.

5 records

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