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Cultivation

Winter protection — Hydrangea macrophylla

Hydrangea macrophylla (Thunb.) Ser.

For Hydrangea macrophylla, winter protection is mandatory, as its flower buds are set on the previous year's shoots and are damaged at temperatures from -5°C. Without protection, the bush loses its ability to bloom in the following season.

In the reference 237 varieties crop Bigleaf hydrangea, where this is mentioned in the description.

A full air-dry shelter is applied for this crop. Preparation includes removing inflorescences and lower leaves, hilling the base of the bush with peat or coniferous needles to a height of 10–30 cm, bending the shoots to the ground, and securing them with staples. A frame is installed on top, covered with several layers of non-woven material and moisture-proof film for protection against precipitation.

It is important to avoid direct contact between the shoots and airtight materials to prevent damping off. Covering is carried out after stable frosts begin, and spring removal is performed in stages, protecting the awakened buds from late frosts. Even varieties capable of blooming on current-year shoots require covering to guarantee full flowering.

General information about the subject — on the page Winter covering.

Sources8

Varieties of Bigleaf hydrangea mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Hortmacanzo

Withdrawn

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Horteve Breeding B.V.

1 record

Shining Angel

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Martin Wilkes

1 record

Blink

Withdrawn

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Van Klaveren Plant B.V.

2 records

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Rampp

FR
1 record

Red Angel

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Frauke Engel

1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Wädenswil

FR
1 record

Sharona

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Van der Spek

FR
1 record

Sibilla

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Steiniger

FR
1 record

Rosita

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Draps-Dom

FR
1 record

Opale

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Foucard

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Ebihara H.

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

No information of breeder available for this variety

FR
1 record

Shower

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Wädenswil

FR
1 record

Meissen

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Meinl K.

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

No information of breeder available for this variety

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Lemoine

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Draps-Dom

FR
1 record

Flieder

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

No information of breeder available for this variety

FR
1 record

Xian

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Santho Beheer B.v. (Eveleens C.P.)

FR
1 record

Lavblaa

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Steiniger

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Truffault A.

FR
1 record

Mousmée

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Cayeux L.

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Preisig (Haller)

FR
1 record

Amethyst

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Haworth-Booth

FR
1 record