Non Invasive Plant Species

Know what you grow – Invasive non native plant species

Be plant wise to the threat of invasive plants which can take over your pond and damage the environment and remember to dispose of any unwanted plants by composting them.

Here are examples of the main five:

Floating Pennywort – usually found floating on the surface of still or slow moving water where it has escaped into the wold.  Features shiny, kidney shaped leaves with crinkled edges up to 7cm across.

Floating Pennywort

Parrot’s Feather – Usually found growing as a marginal plant in still or slow-moving nutrient-rich water. Is able to keep growing when ponds dry out.  Leaves have a characteristic feathery appearance and are bright green to blue-grey.  Grows both under the water and emerging from the water.

Parrots Feather

New Zealand Pigmyweed – Grows both in and under the water as well as on land by water.Frost resistant. Readily recognisable when growing at the edges of water by its narrow fleshy bright green leaves. Tiny white flowers are present from July to September.

New Zealand Pigmyweed

Water-primrose – Floats on the surface of the water and also on the banks of ponds and rivers.Has bright yellow flowers with five petals from July to August.

Water Primrose

Water Fern – The only floating fern in Great Britain .  Small leaves form dense clusters, spreading out along the surface of the water. Grows at great speed, doubling its biomass every two to three days.

Water Fern

For detailed information:

www.nonnativespecies.org/beplantwise/knowwhatyougrow/index.cfm

 Recording

Everyone can provide useful biological records of non-native species, and with the development of online recording sites and smartphone apps it is now easier than ever. Non-native species records help us to understand how many of these species are present in Britain, and the rate at which they are spreading.

For further information: www.nonnativespecies.org/index.cfm?sectionid=81

Clean and Dry Campaign

checkcleandryposter

Invasive Species Week

In 2015, the NNSS and Defra launched the first Invasive Species Week, bringing together a range of organisations to raise awareness of invasive non-native species and inspire people to #GetINNSvolved and stop the spreadSave the date Invasive Species Week will be back 23-29 March 2018.

For further information: www.nonnativespecies.org/index.cfm?sectionid=132

 

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