Hello. Detailed information about pruning roses can be found in our article: Rose pruning - specific guide. Each rose shown in the attached photos has viable, green portions. Thus, it is recommended to take proper care of the roses as described in our article: Roses, planting guide and care work.
To improve the quality of the soil, you may consider using a fertilizer such as , or , by watering at the roots, according to the instructions in the description of the chosen product. To stimulate vigorous growth and abundant flowering, after the expiry of the action period of the administered fertilizer (2-4 weeks in the case of , approx. 1 month in the case of , respectively 2 months in the case of ), you can consider starting the regular administration of a fertilizer such as , by watering at the roots, according to the information in the product description. These fertilizers can also be used on other plants (Tulips, planting guide and care work, Daffodils, planting guide and care work and other flowers).
Additionally, after the the foliage of the roses has developed, it is advisable to regularly apply a fertilizer that is specially formulated for the requirements of this species, with the effect of strengthening the plants’ resistance to unfavorable conditions, such as , applied by foliar spraying, according to the instructions in the product description. Other useful information on this subject can be found on our blog: Roses, pest and disease control.