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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.

Ninja

Active

Tiarella L. · Foamflower

TERRA NOVA NURSERIES INC

2 records

Mistral

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Challet Herault S.A.S.

2 records

NSRED14262

Active

Prunus persica (L.) Batsch · Peach

Maillard Arsene / Maillard Laurence

3 records

Neon Lights

Active

Tiarella L. · Foamflower

TERRA NOVA NURSERIES INC

2 records

Minpitto

Active

Pittosporum tenuifolium Gaertn. · Kohuhu

Hortival Diffusion S.A.S.

2 records

Peakeep

Active

Buddleja L. · Buddleia

ELIZABETH KEEP

2 records

Moon N12

Active

Phalaenopsis Bl. · Moth Orchid

Tai Ling Biotech Inc.

2 records

Monteneu

Active

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

2 records

Meiprehmyr

Active

Rosa L. · Rose

Alain Antoine Meilland

2 records

Noortpurple

Active

Geranium cinereum Cav. · Grey cranesbill

van Noort Marco

2 records

Pacbriap

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

Elsner, Wh.

2 records

OVROCKS16

Application submitted

Aristaloe aristata (Haw.) Boatwr. & J. C. Manning · Lace aloe

Ovata B.V.

2 records

Meicosme

Active

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

2 records

Meibalneo

Active

Rosa L. · Rose

Alain Antoine Meilland

2 records

Meiariba

Active

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

2 records

Matina Yellow

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

NICO1

Active

Erica nana Salisb.

Nicolandes E.A.R.L.

2 records

Meliro

Active

Vaccinium vitis-idaea L. · Lingonberry

Sierteeltkwekerij Maarten Bloemen V.O.F.

3 records

Melle

Active

Rhododendron L. · Azalea

Magda De Waele-De Baerdemaeker

2 records

Noortjjhpi

Active

Geranium cinereum Cav. · Grey cranesbill

Marco van Noort Breeding B.V.

2 records

Noortdeli

Active

Echinacea Moench. · Coneflower

Marco van Noort Breeding B.V.

2 records

Larissa

Active

Phlox paniculata L. · Garden phlox

Geerlings-Meyer

2 records

Lexy

Active

Chrysanthemum L. · Chrysanthemum

FGB B.V.

2 records

Lexohcam

Terminated

Rosa L. · Rose

LEX VOORN ROZENVEREDELING B.V.

2 records

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