You've invested hours of work into preparing, planting and feeding your garden to give it a healthy start. By keeping a watchful eye on it now, you can ensure it prospers and produces for the remainder of the season. Here are five mid-summer tips for a healthy garden in any region. Weeds go wild in high temperatures. Vigilance in controlling them now can keep your garden thriving. Look out for insect infestation. Slugs, snails and spider mites are just a few of the pests that