Here is the general UK Hardiness Zone Map with a helpful Key to give you all a general idea of what Zone you are situated in, aparrently the UK Zone system is based on the US system with only changes to the colours.

This is helpful for anyone who is planning or will be obtaining plants especially perennials to be planted before the worst of Winter, always check whether the plant is suited to your Zone’s expected worst cold weather temperatures!

Hardiness Zone Map

UK Hardiness Zone Map

The Orange blip on the south easterly end of the map would be the London Microclimate, I could not locate any map online which pinpoints major towns or cities so the above map can be a little difficult to figure out … so for example, does the London microclimate extend to Greater London or just within the confines of the city and it’s immediate sorrounding suburbs?

KEY BELOW

Hardiness Zones Key

UK Hardiness Zone Map Key and Temperatures

The best site for checking each plant’s Zone hardiness is PFAF.

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Comments
  1. Helen says:

    According to the map, my average minimum temperature is approx -10 Centigrade. However, even at night it rarely goes below -1 or -2. So, how does the map correlate with this?

    Like

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