Divide congested clumps of bearded iris after flowering. Dead head bedding plants, roses and herbaceous plants to encourage more flowers.
Trim evergreen hedges, including conifers. Feed dahlias and cannas every two weeks with a high potassium fertilizer, such as tomato feed. Prune early-summer flowering shrubs, such as Philadelphus, once they have finished flowering. [Read more…] about Wellie’s Gardening Tips for July 2020