The essential oils that give herbs their flavor and aroma are produced in the largest quantity when they receive plenty of light. Your biggest problem is the heat. They have relatively few problems with insects and disease and are extremely adaptable. For best results, most herb varieties require at least 6 hours of sun per day. When herbs are dried, they are safe from bacteria, mold and yeast, and will remain potent for at least six to 12 months. You should be okay planting sun loving plants in that area. How much water and sun does my herb plant need? If growing indoors, many plants will do fine on a south facing windowsill. Most culinary herbs require full sun and will not grow in a full shade environment. Most herbs don't need deep soil to be productive. In fact, for a while now, because grow lights have advanced over the years, many kitchen windowsill gardeners are switching their growing techniques because with the right light requirements met, fresh herbs and veggies can be grown year-round, inside. Sunlight can be replicated and that’s all you need to do to grow herbs and vegetables indoors, without relying on any sunlight. Some warmth can also help. Herbs are some of the easiest plants to grow, and the most delicious. To make it easy, we’ve got all the basics covered: Types of herbs; Choosing your herbs There’s no need to resign yourself to standard shade-fillers, like pachysandra and ivy, when you could be growing useful herbs that thrive in low-light conditions. Herbs are generally considered the hardiest of all garden plants. It sounds like your sun shades are not blocking the parts of the light spectrum that plants need to grow which is why you have had success with nettles and container herbs. Grow them in the garden, on a windowsill or in pots and take your cooking to a whole new level. Growing herbs is simple, it’s choosing which ones to grow that‘s the tricky part! What Herbs Do Well in Shallow Soil?. HGTV lists herbs that can grow in the shady spots of your garden, patio or windowsill. While many culinary herbs do require lots of direct sunlight (like basil and oregano, which originated in the sunny Mediterranean), other herbs usually listed as full-sun plants will do just fine in partial shade. Some herbs can be kept more moist such as Basil, others need to have soil dry completely between watering such as Lavender. They can even grow well in containers on balconies, patios and sunny kitchen windowsills. Sun/Light. While most herbs prefer to be located in full sun, there are many shade tolerant herbs that can brighten up dull, dark areas of the garden. To remove moisture, all you need is air circulation. Most herbs need about 4 hours of sunlight per day and on average watering should be done when the soil feels dry to the touch.