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Knautia arvensis

Field scabious: A perennial plant that grows between 25 and 100 cm tall. It  flowers between July and September with bluish-black honeycomb like flower heads. It is native to the UK and attracts beetles, flies, true bugs, sawflies, butterflies and moths.

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Not Just For Christmas
The long term health of a green roof is a subject that is often ...
Surviving and Thriving: Introducing a Formal Plant Health System
Our report from the recent annual Horticultural trade associatio...
Last Flowers Standing
It’s Christmas again, and most of our green roof plants ha...

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