Sub-brand for an existing flower boutique - this brand will sell flowers and chocolate trays

This is what The Collection by The Fleuriste Boutique/ Slate by The Fleuriste Boutique was looking for in their logo design

My current brand is The Fleuriste Boutique - a boutique flower shop. I am in the process of adding a sub-brand for pop-ups/ kiosks/hospital gift shops etc which would be called “The Collection by TFB/ The Collection by The Fleuriste Boutique” or “Slate by The Fleuriste Boutique”. I envision it as a very simple logo which builds on our existing brand logo. The products sold will include flower/chocolate trays etc which are ready to go. The name will be used for the chocolate /flower branding. Read more