Q.How to Care for Martha Washington Geraniums
How do you care for Martha Washington geraniums?

Certified GKH Gardening Expert
The care for these exceptionally lovely geraniums is just the same as for the more plain varieties of geraniums. They love heat and sun and should be kept a little on the dry side.
You can overwinter them as well so that you can enjoy them again next year. This article has more information:
https://www.gardeningknowhow.com/ornamental/flowers/geranium/how-to-save-geraniums-over-the-winter.htm