English author of The Education of a Gardener, Russell Page's garden designs were used at Leeds Castle (Kent), Port Lympne (Kent), the Frick Gallery in New York and The Donald M. Kendall Sculpture Garden at Pepsi Cola's World Headquarters in Purchase, New York. His work is also to be found in France, Italy and Spain.

The genus, Parrotia, was named for this German naturalist. Plants with this name include the Persian Parrotia (Persian Ironwood, Irontree).

A Dutch princess noted for her passion for botany, she was daughter of the Czar of Russia. The genus, Paulownia (Empress Tree), was named for her.

One of the greatest gardeners of the nineteenth century, Sir Joseph started as an assistant gardener at Chatsworth (Derbyshire), England and ultimately became head gardener. He designed a magnificent Palm House there which later was the inspiration for the The Crystal Palace famous at the Great Exhibition of 1851. Creation of that structure secured him his knighthood.

Sir Joseph's designs may be seen at Somerleyton Hall (Suffolk), the formal Italian gardens at Tatton Park (Cheshire), Birkenhead Park (Cheshire), parks in Glasgow, Dundee and Halifax and Lisemore Castle (Co Waterford).

Count Perovsky was a Russian general and statesman. The plant genus, Perovskia (Russian sage), is named for him.

 

Owner of Perry's Hardy Plant Farm in Enfield, Middlesex, England known for producing a large number of new varieties of herbaceous perennials. He was awarded the Victoria Medal of Honour (V.M.H.) from the Royal Horticultural Society in 1935 primarily for his work in hybridizing Iris.

Plants associated with Perry and his nursery include Achillea ptarmica 'Perry's White', Erysimum 'Perry's Peculiar', Geranium  himalayense 'Frances Perry', Iris sibirica 'Perry's Blue', Meconopsis cambrica 'Frances Perry', Papaver orientale 'Perry's White', Papaver orientale 'Mrs Perry', and Viola 'Frances Perry'.

Harold Peto was one of the most successful landscape designers of the Edwardian period (1901-1911). He is credited with reintroducing the Italianate style into British gardening. He also had an active practice in the South of France, where he designed several villas and their gardens.

Harold Peto's designs were used at Buscot Park (Oxfordshire), Heale House (Wiltshire), Easton Lodge (Essex), Wayford Manor (Somerset), Iford Manor, West Dean (West Sussex) and Garnish (Ilnacullin Island) Gardens in Bantry Bay, Ireland .

This English plantsman worked closely with William Robinson and other influential gardeners of his day. In his later years, he was known as a lecturer and television horticulturist.

Plants associated with his name include several Michaelmas daisies (Asters), Clematis 'Hagley Hybrid', Clematis 'Picton's Variety', Clematis 'Joan Picton', and Ranunculus ficaria 'Picton's Double'

Hugh Plat was an enthusiastic gardener who was also a member of Queen Elizabeth's royal court. He created gardens at Bishop's Hat, Bethnal Green and Kirkby Castle in England.

Plat was also well known as an author with such books as The Jewel House of Art and Nature, Floraes Paradise (1608) and Garden of Eden (1655). He was interested in herb gardens resulting in the book, Delights for Ladies, which contained herb recipes.

She is chiefly known for working to popularize the use of plants with extremely dark or "black" foliage and for encouraging younger people to have an interest in gardening. Her books include 'Black Magic and Purple Passion' the only comprehensive book on black plants. She founded the International Black Plant Society in 2002 and also started the International Society for Green Flowers. Both organizations are  based in Sheffield, England but are international in nature.

A French botanist, after whom the genus, Plumeria, or Frangipani (originally named Plumiera) is named.

 

 

He was the "minister" to Mexico in the early 1800's where he noticed the lovely plant that turned bright red around the Christmas season. As a botanist, he recognized the potential value of Euphorbia pulcherrima and sent samples back to the U.S. where it became known as the poinsettia.