Nearly all Roses available in UK garden centres and from online nurseries are commercially grown and harvested by machine and sold bare root potted up, thus the Roses will not have a fully developed root structure inside the pot and soil will fall away when you replant. It’s also a documented fact that Roses are greedy plants and the quicker you can get your Roses to establish themselves the more success you will have. Root-Success has the most diverse and concentrated Mycorrhizal Fungi Spores available to UK growers and Rose lovers, quickly establishing themselves and colonizing roots in as short a time as 2 to 4 weeks. These Hyphal extensions of the Rose’s roots will reach out into the surrounding soil and transport vital nutrients and water back to the Roses providing an early boost and ongoing bio-availability of the fertilizers you add to the Rose beds. Rose Replant Syndrome, Rose Replant Disorder, Rose Replant Disease (Though not a disease in the technical sense) or Rose Soil Sickness are the some of the names given to an ever-present problem for Rose growers.
These names refer to the problem of re-establishing Roses in soil where the same species was previously grown and Roses are particularly prone, though it can affect other trees and shrubs. It’s believed to be caused by a build-up of soil bourne pests and pathogens that originate during the life of the first planting cycle and Fungal Root Diseases and Nematodes are the favourite suspects.
One train of thought from professionals is that levels will build up gradually and populations won’t reach high levels until the first-generation Roses are mature, robust and established enough to tolerate them. However, when the Rose beds are replanted with new young stock the small root systems encounter a high residual population of pathogens or nematodes and struggle to establish. Couple this with the fact Roses are hungry plants, the soil can be in poor health with depleted nutrients and organic matter and there can be a tendency to over compensate with extra feeds which will also disrupt the soil fertility.
When trying to plant new Roses in old Rose beds dig in generous amounts of organic matter, treating the new Roses with Root-Success will expose the roots to fast colonizing amounts of the right Mycorrhizal Fungi along with microbe food and beneficial organisms. A good Rose grower’s labours begin in an environment they seldom see, underground, and understanding the importance of the Mycorrhizae Association between the Rose’s roots and the surrounding soil is the key to success. Using Root-Success is as simple as this, more good guys in the soil and less bad guys.