Please can you advise which variety of photinia is in the photograph on your website: https://www.gardeningknowhow.com/ornamental/shrubs/photinia/red-tip-photinia-fertilizer.htm Can you also provide details of height it grows to, etc.?
Which Photinia Is on Your Website
Certified GKH Gardening Expert
That is a Red Robin photinia (Photinia x fraseri), also known by red-tip photinia. This shrub generally grows anywhere from 10-15 feet tall and wide. Here is more information: https://www.gardeningknowhow.com/ornamental/shrubs/photinia/growing-red-tip-photinia.htm