How to grow French lavender 'Barcelona Rose'
Try to plant in a location that enjoys full sun and remember to water moderately. Barcelona Rose is generally regarded as a hardy plant, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea). Barcelona Rose needs a soil ph of 6.6 to 8.5 (weakly acidic soil - weakly alkaline soil).
Growing Barcelona Rose from seed
Transplanting Barcelona Rose
Barcelona Rose is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.
Harvesting Barcelona Rose
Footnotes