I live on a farm and the only water I get is well water. Last year my flowers didn't seem to do so good. This is the first time I have ever lived on a farm, so I don't know if I should add something to the water.
Is Well Water Good for Plants and Flowers
Certified GKH Gardening Expert
I live in rural country with a ground well for water.
My plants, trees and shrubs do just fine with well water. You may have issues with the iron staining the leaves if your watering a lot due to lack of rainfall. This has not seemed to effect any growth on my garden.
Soil conditions would be most likely the cause of your flowers struggling a bit.
Is you soil hard and compacted? Clay? Sandy?
Amending your soil with good compost can improve the soil.
Here are a few articles to help you and welcome to the country life.