Do you have geraniums? 10 essential things to do in May for uninterrupted, vibrant blooms until frost
There’s a reason geraniums are a favorite in gardens, balconies and windowsills around the world. They’re colorful, adaptable and – when cared for properly – capable of blooming steadily from late spring right up until the first frost.
But here's the part many people overlook: What you do in May can shape your geraniums for the entire season.
It's at this moment that plants transition from early growth to full bloom. The decisions you make now—how you water, fertilize, prune, and position them—will determine whether your geraniums produce a few scattered blooms... or explode in dense, vibrant color for months.
If you have geraniums, here are 10 important things to do in May to prepare them for their best performance.
1. Move them out into full light (gradually)
Pelargoniums thrive in sunlight.
To produce continuous flowering, they typically need:
6 to 8 hours of direct sun per day
If your plants were indoors or in the shade in early spring, don't move them out into intense sunlight all at once. Sudden exposure can stress the leaves.
Instead:
Increase sunlight gradually over several days.
Watch for signs of stress, such as leaf scorch.
Good light is the foundation for strong flowering.
2. Refresh the soil or top layer
In May, the soil in pots or beds may already be compacted or nutrient-poor.
You don't always need to repot completely, but refreshing helps.
Try:
