when to start feeding roses in the spring
Most roses need regular feeding -- with fertilizers that are balanced for roses, your region, and your garden soil. Begin fertilizing newly planted roses once they are established -- about three to four weeks after planting. Start feeding older plants in spring when new growth is about 6 inches long.At a minimum, species roses, old roses, and climbers need an application in the early spring as the buds prepare to open.Repeat-blooming roses, old roses, and climbers will benefit from a second feeding of liquid fertilizer after the first bloom, and modern roses need regular feeding.t a minimum, species roses, old roses, and climbers need an application in the early spring as the buds prepare to open. Repeat-blooming roses, old roses, and climbers will benefit from a second feeding of liquid fertilizer after the first bloom, and modern roses need regular feeding.