Note: The retreat of the sea ice has been faster than predicted: Arctic September sea-ice extent from observations (thick orange line) together with the mean value (solid grey line) from 13 IPCC AR4 climate models and the variance (dotted black line) of models runs.
It will keep weeds away; protect the plants by keeping the soil cool; decrease evaporation and reduce soil compaction. Be creative and use materials like: pebbles, bark chippings, gravel, cocoa shells, decorative pine cones, marbles, broken crockery, grass clippings or leaf mould. But avoid mulching too close to the stems to avoid the plant rotting in winter.
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