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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

Abundance and duration of rose flowering 372 Abundance and Duration of Phalaenopsis Flowering 61 Abundance and Duration of Clematis Flowering 61 Abundance and Duration of Petunia Flowering 60 Abundance and duration of flowering — Hydrangea macrophylla 59 Abundance and duration of Dahlia flowering 51 Abundance and Duration of Chrysanthemum Flowering 50 Abundance and duration of flowering — Anthurium andraeanum 47 Abundance and Duration of Flowering — New Guinea Impatiens 38 Abundance and duration of flowering — Pelargonium zonale 36 Abundance and duration of peach flowering 34 Abundance and duration of Pelargonium flowering 32 Abundance and Duration of Fuchsia Flowering 25 Abundance and duration of Alstroemeria flowering 25 Abundance and duration of Dianthus caryophyllus flowering 24 Abundance and Duration of Flowering — Begonia elatior 24 Verbena flowering duration and abundance 21 Abundance and duration of Saintpaulia flowering 19 Abundance and duration of potato flowering 18 Abundance and duration of Nemesia flowering 17 Abundance and duration of flowering — Pelargonium peltatum 16 Flowering abundance and duration — Impatiens walleriana 15 Abundance and duration of flowering — Mandevilla sanderi 14 Abundance and Duration of Flowering — Pelargonium (hybrids) 13

Found in these crops

Rose 274 Moth Orchid 55 Clematis 51 Bigleaf hydrangea 49 Anthurium 45 Dahlia 41 Petunia 38 Chrysanthemum 38 Calibrachoa 37 Peach 32 Horseshoe pelargonium 28 New Guinea Impatiens 26

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.

Intertrorats

Terminated

Rosa L. · Rose

Interplant Roses B.V

2 records

INNEMKIWAN

Active

Nemesia Vent. · Nemesia

Silvia Hofmann

2 records

INLBUSNOWH

Active

Lobularia maritima (L.) Desv. · Sweet alyssum

Birgit Hofmann

2 records

KORpot091

Active

Rosa L. · Rose

W.KORDES' SOEHNE ROSENSCHULEN GMBH & CO KG

2 records

Kerbeepower

Active

Lavandula angustifolia Mill. · English lavender

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

2 records

KLEPH17300

Active

Petunia Juss. · Petunia

Nils Klemm^^^Antonella Capo

2 records

Jive

Active

Coreopsis L. · Tickseed

Probst Darrell R.|Hubbardston, MA, US

2 records

IFANFB

Active

Anemone hupehensis Lemoine · Japanese anemone

Jelle van den Haak

2 records

Huhe01

Active

Hemerocallis L. · Daylily

van 't Hul Michel

2 records

HP217904

Active

Hydrangea paniculata Siebold · Panicled hydrangea

Hydrangea Breeders Association B.V.

2 records

Hilswebla

Active

Gerbera L. · Gerbera

HilverdaFlorist B.V.

2 records

HG 1416

Active

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

Josef Heuger

2 records

HP217902

Active

Hydrangea paniculata Siebold · Panicled hydrangea

Hydrangea Breeders Association B.V.

2 records

KLEBF24674

Active

Bidens ferulifolia (Jacq.) DC. · Apache beggartick

von Tubeuf Guido

2 records

Ice Whisper

Active

Phalaenopsis Bl. · Moth Orchid

René Schoone

2 records

Gulliver

Active

Buddleja davidii Franch. · Butterfly bush

KENNETH TOBUTT

2 records

Harkimono

Active

Rosa L. · Rose

R HARKNESS and CO LTD

3 records

Kerbelchamp

Active

Primula vulgaris Huds. · Primrose

Priscilla Grace Kerley, David William Kerley, Timothy Edward Kerley

2 records

KERAPPFAN

Active

Petunia Juss. · Petunia

Priscilla Grace Kerley, David William Kerley

2 records

Greshen

Active

Phaseolus coccineus L. · Runner bean

Holland-Select Research B.V.

3 records

FRYCHARM

Active

Rosa L. · Rose

Gareth R. Fryer

2 records

Hiltasha

Active

Dianthus caryophyllus L. · Carnation

KOEKKOEK ARTHUR N.J.

2 records

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