Plant hellebores If your roses are dozing, don’t forget hellebores. They’re available at garden centres now. They establish quickly and flower from July to October. Time to spray Spraying copper and conqueror oil should deter winter pests and deal to fungal diseases. Buy avocado tree Don’t want to be paying up to $4 for an avocado? Buy your own and plant in free-draining soil. You could have fruit in five years and prior to that you’ll have a very attractive tree. Sow spinach Sow some fast-growing baby spinach, either in the garden or in pots if you’re in a cooler area.