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Nigel Clarke

Hedges dramatically cut roadside pollution

07/12/2019 //  by Michelle Berridale Johnson//  1 Comment

The University of Surrey – specifically Professor Prashant Kumar – have just completed a study to find out whether roadside planting (hedges and/or trees) can reduce road air pollution. (You can read about it in detail in Atmospheric Environment here.) And, as my good friends Tom …

Category: Allergies, Environmental Issues, Gardens, Michelle's gardenTag: air pollution at roadsides, Atmospheric Environment, environmental pollution, hedges reduce air pollution at roadsides, Nigel Clarke, Nigel Clarke at Green Legacy Guernsey, Professor Prashant Kuar at the University fo Surrey, Professor Prashant Kumar, Tom Ogren, Tom Ogren's OPALS plant scale

Low allergen garden wins gold at Chelsea Flower Show

25/05/2017 //  by Michelle Berridale Johnson//  6 Comments

What a coup!! You see those round little yellow tickets saying OPALS? They are there to tell you, on a scale of 1 – 10, how badly that flower and its pollen will affect you if you have hay fever or allergic asthma. And they are all over the gold-winning Birmingham City Council …

Category: Allergies, Environmental Issues, GardensTag: 'Safe sex in the garden', Allergy Fighting Garden, Birmingham City Council display at Chelsea Flower show, Chelsea Flower Show, Darren Share, Darren Share Head of Parks at Birmingham City Council, Deputy Chair of the Board of Trustees at the Birmingham Botanical Gardens, gardening articles on FoodsMatter, Hay fever and allergic asthma affected by high pollen counts, Low Allergen Gardening, Lower pollen could to to protect against allergic disease, Nigel Clarke, Nigel Clarke at Green Legacy Guernsey, Nigel Clarke at Queux plant centre, OPALS (Ogren Plant Allergy Scale), OPALS rating for allergenicity, Peter White, Roladnb emmet display at Chelsea Flower show, Roland Emmet society, the dangers of all male plants, Tom Ogren, Tom Ogren's OPALS plant scale

On the re-sexing of trees and other matters respiratory

21/09/2014 //  by Michelle Berridale Johnson//  4 Comments

I spent much of last weekend discussing the re-sexing of trees. Not your everyday Sunday papers conversation - but fascinating none the less. How come? Well, I had staying as house guests Tom Ogren, world authority on allergen-free gardening, and Nigel Clarke, garden-centre …

Category: Allergies, Environmental Issues, Michelle's gardenTag: allergen free gardening, allergen-free Guernsey, civic planning of green spaces, FoodsMatter gardening pages, grafting female trees onto male trees, Green legacy Guernsey, inhaled allergies, male trees are clean trees, Nigel Clarke, OPALS allergy rating, OPALS plant scale, pollen allergies, Queux Patio plants, re-sexing trees, SAFE Gardening, Society for Allergy Friendly Environmental Gardening, Tom Ogren

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