Flowers can carry a surprisingly high carbon cost. Seasonality plays a big part in this. In his fascinating book "How Bad are Bananas?" Mike Berners-Lee investigates the carbon cost of supermarket flowers. He found that out-of-season cut flowers were some of the highest carbon cost things you can buy in your day-to-day life.
Out of season flowers are either imported from somewhere warm, or grown with added heat and light. If they are grown somewhere warm (in Europe, flowers often come from Kenya) they come in by aeroplane. If they are grown in Europe, they have to be grown indoors with carbon-intensive heat and light.
What we do differently
Our flowers are all grown in their season. We do grow in a polytunnel to extend the season a bit, but never use added heat or light. This means our flowers get to you at a tiny fraction of the carbon cost of supermarket blooms.
We also use solar on the farm and deliver in an electric van (often powered by our own solar). This reduces the carbon cost even further.