Purple Haze
ActiveBuddleja L. · Buddleia
North Carolina State University / North Carolina State University
Variety traits
Abundance and duration of Buddleja flowering
Buddleja L.
These traits determine the shrub's ornamental value through inflorescence density and the calendar period of their blooming. In Buddleja davidii, these indicators directly depend on the intensity of spring pruning and the removal of spent inflorescences.
In the reference 4 varieties crop Buddleia, where this is mentioned in the description.
To assess Buddleja flowering, scoring scales based on expert visual analysis of inflorescence density and the recording of blooming dates are used. There are no precise quantitative standards for the genus, therefore, indicators are determined through comparative trials against reference cultivars.
The abundance of Buddleja davidii flowering is critically dependent on agricultural practices, as flower buds are formed on current-season growth. Annual heavy pruning to 10–30 cm above ground level stimulates the vigorous growth of new flowering shoots, ensuring maximum bush lushness.
The flowering duration, occurring from mid-summer to autumn, is regulated by the timely removal of withered inflorescences. This operation prevents seed formation and promotes the secondary development of shoots, extending the plant's ornamental period while ensuring sufficient phosphorus-potassium nutrition.
General information about the subject — on the page Abundance and duration of flowering.
Varieties of Buddleia 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.
Hinebud2
ActiveBuddleja L. · Buddleia
Podaras Peter C.