Ideally, you should plant bulb iris bulbs at least 15cm deep to allow them the space that they need to thrive. By doing so, you can ensure that the plants will flower bigger and better each year.

Iris bulbs should go deep into the ground during planting — usually to a depth of 4 to 5 inches. However, the depth may vary based on the variety of iris you plant.

While July gardening chores revolve around watering, weeding, deadheading and helping plants through the heat, those chores might include transplanting bearded iris and watching for powdery mildew on ...