Between 1800 and 1960, gardening underwent a massive transformation, changing almost beyond recognition. It was a period when the concept of gardening as a leisure activity emerged, along with a vast array of changes in garden styles, plant breeding, the arrival of horticultural societies and shows, brands such as Suttons Seeds, and mass market tourism to garden sites. New retail styles even emerged with the advent of garden centres and containerised plants. Entrepreneurs took advantage of new technology to create products such as lawnmowers, the Wardian case terrarium and the strawberry canopy. Plant specialists searched out exotic plants from far-flung corners of the earth, risking their lives to bring back unusual specimens. Women took up gardening creating careers in a sector that had previously regarded them as little more than capable of doing light weeding or arranging flowers. New standards were established for training, products, plants and seed quality, resulting in the arrival of seeds such as Tom Thumb lettuce and frilly edged sweet peas that are still grown today.

As recognition grew of the need for a green environment, green spaces and public parks accessible to all, gardening styles underwent considerable changes. This resulted in the creation of designs that have become extremely familiar such as carpet bedding so beloved of municipal gardens, rockeries, vegetable rotation, shrubberies, walled gardens, cottage gardens, roof and window gardens. It was a period which even saw garden gnomes taking up residence in gardens large and small.