Growing hybrid roses indoors requires a lot of the same outdoor care. Make sure to place them in an area that receives a lot of sunlight. Make sure to water regularly and remove yellowing leaves. After the first year replant the rose and begin regular pruning of buds and branches.
Hybrid roses have a tendancy to fail indoor growing due to lack of sun and the growth of powdery mildew, a white fungus that grows on the leaves. It is best to grow roses in a room with direct, morning sun and avoid getting water on the leaves.
12. Adequate lighting, humidity. Buy waterproof tray, 2inches deep. Layer small pebbles to 1. 5inches depth. Add water. Place on south facing window, shade from mid-day sun, keep leaves moist.