HBA ’s cut hydrangea variety show are dead suited for producing flowers on old woodwind , making it potential to food market flowers as betimes as March / April . This is plain from the old wood trial that HBA conducted this spring .
in the beginning in the 2020 time of year , HBA conducted a lift trial . In this test , HBA tested if emasculated hydrangeas could be reap subsequently by pinching the plant of late in the time of year . HBA made videos of both the time of year - pass trials . These telecasting can be visualise on Agriom ’s YouTube distribution channel .
For the old wood trial , HBA develop a identification number of cut hydrangea varieties ( including Royal Parade , Royal Palace , Royal King , Royal Wedding ) on old wood from the end of January in a heated glasshouse ( 17ᵒC ) . At the same clip , these varieties were develop Robert Lee Frost - free in an unheated nursery . The aim of the tribulation was to quiz whether the plant in the heated glasshouse developed beautiful flowers on honest-to-goodness wood . Growers can then supply these trimmed hydrangeas to the market in March / April .

The TV that HBA made of the trial shows how the different varieties developed in the heated and the non - het up glasshouse . The colouration of the flowers on old wood from , for example , Royal Parade from the heated greenhouse , are already prompt towards classic in workweek 21 . While the flowers on former woodwind instrument of this smorgasbord in the non - het up glasshouse in week 21 are just about ready to harvest . you’re able to also see that fresh shoots are growing on sometime woodwind between the flower of Royal Parade in the non - heated up glasshouse . These sweet shoot are not ready to harvest until by and by in the season .
Earlier in the 2020 season , HBA conduct a purloin trial . In this visitation , HBA test if weakened hydrangeas could be reap later by pinching the plants deep in the season . The trial show that Royal Parade can be cut back until April 1 and that Royal King and Royal Palace can be reduce back until April 15 . By snarf late in the season , it is possible to harvest sweet blossom of these varieties much later and thus extend the time of year .
Questions ? Please contact HBA harvest expert Erik van Rossum : +316 26 71 52 93,[email protected ] .

For more data : Hydrangea Breeders AssociationAchterweg 58aNL-1424 PR De KwakelNetherlands[email protected]www.hydrangeabreeders.nl