Place the chickpeas, onion, carrots, zucchini, red bell pepper, and garlic in the slow cooker.
Add the diced tomatoes, vegetable broth, cumin, coriander, turmeric, cinnamon, paprika, salt, black pepper, and dried apricots.
Stir everything together until the spices are evenly distributed.
Cover and cook on low for 6 to 8 hours until the vegetables are soft.
Spoon the tagine over cooked couscous and top with fresh cilantro. Serve with lemon wedges on the side.