EASY CARE TIPS FOR YOUR PINK PROMISE⢠SNOW BERRY: Ls v WATER Give your plants a good soaking about once per week, and more often when it's hot. Keep in mind that plants in containers dry out faster than in the ground. If leaves are wilting or curling, more water is needed. Use a soaked hose or drip system to make watering easier. 4 PRUNE Prune in late winter or very early spring, before new growth appears.