Snapdragon Flower Watering. Once it has settled in the ground and established the plant will require about an inch of water. A single snapdragon may produce seven or eight blossom spikes over the course of a summer.
03022021 Move the snapdragon flowers close to a sunny window and then water them on a regular basis. 03052021 Once established snapdragons require about an inch of rainfall or watering per week. Do not water overhead as that might damage your plant.
Watering overhead with sprinklers can cause disease problems if you do this just do so early in the day so the foliage has time to dry off.
When you start growing your snapdragon plant ensure it stays wet for the first few weeks. Once you plant the seeds make sure you provide enough water in the first few weeks. Plant out young plants once the danger of frosts has passed. In order to accomplish this the plants need full sun for at least five hours a day about 1 inch of water a week and good drainage.