Whether your thumb is as green as the Emerald City or you want to learn how to plant your first seed, take a trip to City Floral, Denver's oldest working greenhouse. Other greenhouses smell like Monsanto; when you walk into City Floral, you breathe sweet, fertile air perfumed by a jungle of indoor and outdoor plants nourished by the sun beaming in through the greenhouse roof. Walk over to the seed racks and pick out a few of the hundreds of varieties. Browse the impressive array of potters, indoor and outdoor plants, gardening tools, chicken feed, organic fertilizers, wind chimes, hydroponic supplies and more. Questions? City Floral's knowledgeable and energetic staffers are always happy to chat about your plants.