List Of Types Of Compost For A Rose Garden References. You can add a fish or blood meal for extra nutrients, but be careful not to overfertilize, which can burn roots. 3 rose varieties you need in your garden;

Web mixing with existing soil: Roses prefer a ph level of around 7, so you want to check the compost ph before applying something that may be too alkaline or acidic that. Sandy soil will drain well but requires frequent watering.