in plants descriptions roman numbers mean months, e.g. V means the month of May
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"aspect" means the cardinal direction from which the sun shines on plants, e.g. N means that plants experience sunshine from the North, (S is for South, E for East, W for West)
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the results can be displayed as a table or an illustrated catalogue - please click on the appropriate icons to choose the form of display that suits you
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the results are divided into three groups: 'clematis', 'other climber' and 'low covering plants' - click the name of the category to see the list of plants from that group