Rootgrow is a completely natural product containing mycorrhizal fungi which has been endorsed by the RHS. These friendly fungi form a symbiotic relationship with the roots of most plants effectively increasing their size many fold. This helps the plant in several ways;
Improves nutrient uptake which boosts flowering and fruiting.
Greater resistance to drought( useful on lighter soils).
Reduces need for chemical fertilizers.
Improves resilience to rose replant disease.
Simply sprinkle in the hole when planting.
Sufficient for 2 Roses.
Can only be purchased with your rose order.