A 6-count pack of 1.5-inch blue roses with bendable wire stems, found at Firefly Imports.
ScrapAndMe “Blue Roses” 12x12 Scrapbook Paper Pack | 5 Double-Sided Sheets | Elegant Blue Floral Designs michaels.com Go to product viewer dialog for this item.
3/4" Royal Blue Medium Rose Craft Paper Flowers - Pack of 144 CB Flowers & Crafts Go to product viewer dialog for this item.
If you are looking for physical paper flowers to add to your projects, there are many options from specialty craft shops.
You can find blue rose-themed paper in several forms online, including specialized scrapbook cardstock, printable digital packs, and physical paper flower embellishments.