For the last 20 years or more I have been dutifully trecking off to Royal Hospital Road for Chelsea Flower Show's press day in the vain hope of finding a low allergen show garden. So I was more than frustrated (I was unable to go this year) when I heard an item on the Today …
OPALS plant allergy ratings
Can we blame male trees for the dramatic increase in the rates of hay fever? Tom Ogren says ‘yes’!
The sex life of plants, including trees, is not simple. Some, known as perfect flowered plants, have their male and female parts in the one flower so are effectively self pollinating (roses or apples); some, known as monoecious flowered plants have separate male and female …