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Roger Marshall

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Rhode Island greenhouse gardener overlooking the sea

Roger Marshall

Roger Marshall is a British born expert in greenhouse gardening who lives overlooking Block Island Sound in Rhode Island. He has written many articles on gardening in various publications and is the author of a recent book “The Greenhouse Gardener’s Manual”. He is also a yacht designer who writes about sailing and power boats.

Introducing Roger Marshall

By Roger Marshall

Roger Marshall’s journey Gardening came to me naturally, while growing up in England in the 1950s. At that time, with war time shortages still distressing the UK economy, commercial fertilizers were hard to come by, so we made compost and used natural organic materials to fertilize our gardens, practices that I continue using today. English […]

Add Hydroponics to Your Greenhouse

By Roger Marshall

For a number of years, I’ve grown lettuce in plastic gutters in my greenhouse. The installation is simple: Each ten-foot-long gutter hangs from brackets on a greenhouse wall, with one end four inches lower than the other. I fill the gutters with clay pellets to give the plant roots something to grip. A fish-tank pump […]