The 1970s

1970
Growing media industry converted from loam-based growing media to peat-based growing media.

1971
The Hillier Manual of Trees and Shrubs is published for the first time.  Since 1971 it has sold a quarter of a million copies, with the 2002 edition featuring more than 10,000 entries.

1971
Sisis develops the first independently powered, vertical action spiker in the UK – the Autocrat.

1972
Energy price increases and a peak in pressure for housing following the post war population boom lead to the demolition of vast swathes of glasshouses in Enfield, Cheshunt, Goffs Oak and Waltham Abbey in the Lea Valley

1972
The British Association of Landscape Industries is founded as a trade association for the landscaping industry.

1973
Britain joins the Common Market, gaining more markets for horticultural products.

1974
Glyphosate is introduced to the consumer market as Round Up by Monsanto.

1974
Health & Safety Executive is formed under the leadership of John Locke to enforce health and safety legislation in the workforce.

1975
Journal of the Royal Horticultural Society, launched in 1866 is renamed The Garden.

1975
An attempt is made to steal Potentilla fructicosa ‘Red Ace’ at the RHS Autumn show leading to its protection by a security guard at the following RHS Chelsea Flower show.

1977
The Museum of Garden History opens in London in 1977.

1979
Cuts in local authority parks budgets lead to a spiral of decline throughout the next decade.

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