A couple claim they have grown Britain's tallest echium plant - at over 18FT.

Pam Betowski, 71, and husband Noel, 70, say the massive flower towers over their home.

The 18ft 4ins echium eclipses the previous UK record of 16ft set by Darren Wilson in Saltash, Cornwall.

Falmouth Packet: The couple have claimed to have grown the country's tallest echiumThe couple have claimed to have grown the country's tallest echium (Image: SWNS)

Pam, a woven textile artist from Sancreed, Cornwall, credits the huge growth to her husband Noel's use of "hügelkultur" cultivation method.

It a traditional way of building a garden bed from rotten logs and plant debris.

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The echium pininana is an endangered biennial plant from the Canary Islands - often called a 'tree echium' for it's immense growing potential.

Falmouth Packet: The couple have claimed to have grown the country's tallest echiumThe couple have claimed to have grown the country's tallest echium (Image: SWNS)

It is used as a bedding plant or planted in borders, and grows best in full sun - particularly in the sunny southern-most counties of England.