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Variety traits

Abundance and duration of flowering

Abundance and duration of flowering are phenological indicators reflecting the density of flowers on a plant and the time span of the flowering phase, which determine the potential productivity and adaptability of a variety.

Mentioned in descriptions 4 764 varieties reference book.

Duration of flowering characterizes the period in days during which the plant is in this phase, defining the crop's window of vulnerability to external factors. Abundance of flowering represents the quantitative or visual density of flowers on a plant, serving as an indicator of reproductive capacity and potential yield.

During variety testing, evaluation is carried out based on phenological dates, including the onset, peak, and end of flowering, as well as by using scoring scales. High scores are assigned to varieties with synchronous and uniform flowering without abnormalities, whereas low values indicate weak or uneven plant development.

These indicators are determined by the genetic characteristics of the variety, as well as by the influence of photoperiodism, temperature regime, and moisture availability. Flowering stability is evaluated by comparing with regionalized standard varieties, with deviations in timing of more than five days being considered significant for determining the maturity group.

Sources10

Breakdown by crop

Found in these crops

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.

Gaillardia aristata Pursh · Blanketflower

Uebelhart Georg G.

3 records

Petunia x atkinsiana D. Don · Garden petunia

Priscilla Grace Kerley^^^Timothy Edward Kerley^^^Sarah Elisabeth Kerley^^^David William Kerley

2 records

Jambo

Active

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

2 records

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

Hofmann Birgit

3 records

H223902

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

H220908

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

Phalaenopsis Bl. · Moth Orchid

Schoone Rene

2 records

Impacpur

Active

Impatiens New Guinea Group · New Guinea Impatiens

Elsner pac Jungpflanzen GbR

2 records

IFPHLFC

Active

Phlox paniculata L. · Garden phlox

van den Haak Jelle

3 records

Phalaenopsis Bl. · Moth Orchid

Schoone Rene

2 records

Echinacea purpurea (L.) Moench · Purple coneflower

TAKII EUROPE B V

3 records

Hiriv

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Roy Robin van Dijk

2 records

HUTWOW

Active

Hybrids between Alyogyne hakeifolia and Alyogyne huegelii

Hutchins Graham

2 records

HG 1412

Active

hybrids between Helleborus x ericsmithii B. Mathew and Helleborus x hybridus hort. ex Voss

Josef Heuger

2 records

Dahlia Cav. · Dahlia

Verwer-Dahlia's B.V.

2 records

Hecice

Terminated

Diascia Link & Otto · Twinspur

Hector Harrison

2 records

G16223

Active

Rudbeckia hirta L. · Black-eyed Susan

PALMER IRENE E.

2 records

Phlox subulata L. · Creeping phlox

Florensis B.V.

2 records

Hybrids between Echinacea purpurea and Rudbeckia hirta

Eternal Plant Boijl B.V.

2 records

Lupinus L. · Lupine

Eternal Plant Boijl B.V.

2 records

Fisnics Swepu

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Syngenta Seeds

2 records

Fisgopi

Active

Pelargonium L'Hér. ex Ait. · Geranium

Angelika Utecht

2 records

Chrysanthemum L. · Chrysanthemum

Fides B.V.

2 records

Leucanthemum maximum (Ramond) DC. · Maximum daisy

van Sambeek Ellen

2 records

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