Flowers in Osterley Park, London

Osterley Park and House, located in West London, is a beautiful National Trust property known for its stunning gardens and parkland, which feature a variety of flowers throughout the year. Spring is in full swing, and the gardens are likely bursting with seasonal blooms.

In spring, Osterley Park is particularly famous for its carpets of bluebells along the Long Walk, which typically peak around late April to early May, though they may already be emerging now depending on weather conditions. You might also find early-flowering tulips and daffodils in the formal gardens, adding vibrant yellows, whites, and reds to the landscape. The American Border, showcasing North American trees and shrubs, may also feature spring blossoms from plants like magnolias or azaleas, depending on what's currently in season.

The historic walled garden is another highlight, with herbaceous borders and ornamental vegetable beds that include flowers such as roses and perennials for year-round interest. Mrs. Child’s Flower Garden, restored to reflect its 18th-century design, is planted with old-fashioned flowers chosen for scent and color—think delicate blooms like snowdrops (earlier in the year), primroses, or early irises around this time. The Garden House, designed by Robert Adam, historically housed exotic plants and might still display tender spring flowers.

Given that it’s early April, the winter garden—featuring Clematis urophylla ‘Winter Beauty’, Iris reticulata ‘George’, and snowdrops—may still have lingering blooms near the Temple of Pan or the flower-picking garden, though these typically peak earlier in the year. As spring progresses, expect more colorful displays from shrubs and bulbs waking up across the estate.

For the most current experience, the exact flowers blooming today would depend on this year’s weather and the garden team’s planting schedule. If you’re planning a visit, the parkland and paths offer a serene backdrop to enjoy these natural displays, with the added charm of the Georgian mansion at the heart of it all.