Variety traits

Rose Double-flowering

Rosa L.

Double-flowering is a decorative trait in roses defined by the number of petals in a flower, which varies from simple forms with fewer than 8 petals to very double forms having over 70.

In the reference 1 377 varieties crop Rose, where this is mentioned in the description.

The classification of roses by the degree of double-flowering includes simple forms (up to 8 petals), semi-double (8–15), moderately double (21–29), medium double (30–39), double (more than 40), and very double (over 70 petals). This trait is often associated with the transformation of stamens and pistils into petals, which, in extreme cases, leads to the reduction of reproductive organs and the necessity for vegetative propagation only.

A high degree of double-flowering increases the decorative appeal of the flower, but it decreases its resistance to atmospheric precipitation, causing the petals to become waterlogged and rot. The stability of this trait depends on growing conditions and the age of the plant, while for commercial cut flower varieties, double-flowering is a targeted breeding trait.

General information about the subject — on the page Double flowering / Reversion.

Sources8

Varieties of Rose 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.

Meibigoud

Active

Rosa L. · Rose

SNC Meilland et Cie

ES FR HU IT NL PL

19 records

Poulvic

Application submitted

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI FR IT NL +2

17 records

Korazerka

Active

Rosa L. · Rose

Wilhelm Kordes (DE)/Tim-Hermann Kordes (DE)/Margarita Helms (DE)

DE ES FI FR HU PL +2

16 records

Tanelorak

Active

Rosa L. · Rose

Rosen Tantau KG

BE DE DK FR IT NL +1

16 records

Meijasper

Active

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

BG FR HU PL UA

18 records

Korlumara

Active

Rosa L. · Rose

Wilhen Kordes

DE HU NL PL

16 records

Korbronora

Active

Rosa L. · Rose

Wilhem Kordes, Sparrieshoop

BE DE FI FR HU NL +2

15 records

Pekcougel

Active

Rosa L. · Rose

Pekmez, Paul|La Petite Pierre, 67290 Wingen-sur-Moder, France

DE ES FR IT NL

16 records

Poulann

Application submitted

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FR IT NL PL +1

16 records

Tanorelav

Active

Rosa L. · Rose

ROSEN-TANTAU MATHIAS-TANT

BE DE ES FR IT NL +1

14 records

Ruisteenka

Active

Rosa L. · Rose

Steenks, J. E.|Baarlo, Netherlands

BE DE ES FR IT NL +1

14 records

Osiana

Active

Rosa L. · Rose

Rosen Tantau KG

DE ES FR IT NL

14 records

Meigafor

Active

Rosa L. · Rose

SNC Meilland et Cie

DE ES FR IT NL

15 records

Scholtec

Active

Rosa L. · Rose

Schreurs, P.

16 records

Poulfect

Application submitted

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI FR IT NL +2

13 records

Korpinka

Active

Rosa L. · Rose

Wilhelm Kordes / Tim-Hermann Kordes / Margarita Kordes in Fa. W. Kordes' Söhne Rosenschulen GmbH & Co KG

BE DE DK FR HU NL +2

13 records

Meiflopan

Active

Rosa L. · Rose

SNC Meilland et Cie

BE DE DK ES FR IT +2

13 records

Poulhappy

Terminated

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI FR NL PL +1

13 records

Poulsun

Protection expired

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI FR NL PL +1

14 records

Poultin

Protection expired

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI FR IT NL +1

14 records

Tanalephar

Active

Rosa L. · Rose

ROSEN-TANTAU MATHIAS-TANT

DE ES FI FR NL PL

13 records

Delstrobla

Active

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

BE DE ES FR IT NL

13 records

Meivamo

Active

Rosa L. · Rose

SNC Meilland et Cie

DE ES FR IT NL

14 records

Pekcoucan

Active

Rosa L. · Rose

Pekmez, Paul|La Petite Pierre, 67290 Wingen-sur-Moder, France

DE FR IT NL

15 records

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