Be careful when buying Lavender because French and Spanish Lavender are not hardy here.
English Lavender ( Lavandula angustifolia“Vera”). Lavender has analgesic (pain relieving), antidepressant, antifungal, antioxidant, antiviral, aromatic, cholagogue (something that stimulates the flow of bile from the liver) and cicatrisant (wound healing) properties, as well as many others. It also acts as an effective sleep aid and can be combined with valerian or chamomile in tea, or merely sprinkled onto the sheets as lavender oil, or dried flowers can be sewn into a pillow. Lavender is also powerful at curing headaches. Growth tips from staff horticulturalist Angie Andrade: lavender angustifolia or English Lavender prefers full sun and slightly alkaline soils which is perfect for our Colorado gardens.  Be careful when buying Lavender because French and Spanish Lavender are not hardy here.