Variety traits

Abundance and duration of rose flowering

Rosa L.

Key criteria for evaluating the ornamental value of garden roses, determining the intensity of bud formation and the duration of the flowering phase throughout the growing season.

In the reference 372 varieties crop Rose, where this is mentioned in the description.

The evaluation of these traits is conducted through phenological observations on trial plots over several years. Intensity (abundance) is recorded visually based on the number of simultaneously opened flowers on the bush, while duration is measured in days, including the total length of all flowering flushes for remontant varieties. Professional methods employ a 5-point scale, often integrated into a general 100-point ornamental evaluation system, incorporating conversion factors.

High duration metrics for remontant varieties in favorable climatic conditions, such as the Southern Coast of Crimea, can exceed 200 days per season. In breeding selection, priority is given to varieties with recurrent flowering and resistance to high temperatures and drought, which can negatively affect the ornamental effect. The final realization of flowering potential depends directly on varietal characteristics, agrotechnical maintenance practices, and the overall phytosanitary condition of the plants.

General information about the subject — on the page Abundance and duration of flowering.

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.