It’s at this time of year when the nation’s favourite plant – the rose - gets attacked by the dreaded blackspot. the problem Rose blackspot is an extremely common and widespread fungal disease on most rose cultivars, as well as on wild roses. However, there are some cultivars that are partially resistant. The disease thrives in warm moist conditions, and most early attacks come from those spores that have spent the winter in uncleared plant debris or in dormant buds. You’ll know if … [Read more...]