Clematis and Hydrangeas

Clematis climbing through hydrangeas

One of my favorite months in the garden!   It’s getting warmer and the nurseries are full of colorful flowers and new things to plant.  Mornings are cool and it’s perfect weather for working in the garden.  In mid to late May, hydrangeas are at their best with their lush green leaves and dazzling big blooms.




Tea Rose 'Princess Diana'

Tea Rose ‘Princess Diana’


  • Hydrangeas
  • Clematis
  • Roses


  • Summer veggies and fruits
  • Warm season annuals such as begonia, campanula, coleus, cosmos, dahlia, geranium, lobelia, marigold, nasturtium, petunia, verbena, vinca and zinnias


  • Pinch off/deadhead summer flowers to promote more blooms
  • Water warm season annuals and veggies


  • Citrus
  • Azaleas (I also like to sprinkle coffee grounds year round to azaleas & my hydrangeas)
  • Fuchsias
  • Camellias
  • Roses

Most of this information is from my personal gardening experiences in coastal Southern California.  I refer to these basic ‘Monthly To Do’s’ as a basic guide as well as my garden journal notes.  They are always evolving and continually updated.

I have also compiled some of this information from these highly recommended sources such as:  Green Thumb Nursery, OC Register (Home & Garden section), Rogers Gardens (Ron Vanderhoff’s monthly checklists are extremely detailed), Sunset magazine, UCCE Master Gardeners of Orange County and Pat Welsh’s ‘Southern California Gardening’ book (this book is a must have)!

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