To use an Interflora discount code, you can follow these steps:
Visit the Interflora website and select the product you wish to purchase.
Add the product to your shopping basket and click on the basket icon in the top right corner of the screen.
On the shopping basket page, you will see a field labelled "Enter promo code."
Enter your discount code in this field and click "Apply."
The discount will be applied to your order total, and you can proceed to checkout to complete your purchase.