Place the chicken thighs in the bottom of the slow cooker.
In a small bowl, stir together the honey, sriracha, soy sauce, and garlic powder until smooth.
Pour the sauce over the chicken and sprinkle with salt and black pepper.
Cover and cook on low for 5 to 6 hours until the chicken is tender.
About 10 minutes before serving, place the broccoli florets in a steamer basket over a pot of boiling water or in the microwave with a splash of water. Steam until bright green and crisp-tender.
Serve the chicken thighs with the steamed broccoli on the side.