Courtyard Garden : Invasive Plants

Now that spring is (very nearly) here I have started to look at what still needs to come out. I posted recently on the removal of one huge clump of Euphorbia amygdaloides var. robbiae – and the resultant skin irritation, which came from secondary contact with the sap. (I used gloves when dealing with the plant itself.)

Looking at various sites that deal with Schedule Nine invasive plants I was surprised to see several garden regulars on the list.

The ones we are all probably aware of are:

  • Japanese Knotweed – Fallopia japonica
  • Giant Hogweed – Heracleum mantegazzianum
  • Himalayan Balsam – Impatiens glandulifera

I was more surprised to note that also on the list (of which I note that I have three in my garden) were:

  • Montbretia – Crocosmia x crocosmiiflora
  • Variegated Yellow Archangel – Lamiastrum galeobdolon argentatum
  • Giant Rhubarb – Gunnera tincoria and manicata
  • Goldenrod – Solidago canadensis and gigantea
  • Cotoneaster (all species so far as I could see)
  • Spanish Bluebells – Hyacinthoides hispanica
  • Japanese Rose – Rosa rugosa

There are others on the list – but these few did surprise me slightly being seen so often in the average garden. One knows they are garden thugs  but not that they have the plant equivalent of Asbos!

Just so you know…

“Plants Listed as a Schedule 9 species under the Wildlife and Countryside Act 1981. It is an offence to allow these plants to spread onto adjacent land and into the wild. Possible fines and prison sentence under the Wildlife and Countryside Act 1981.”



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