general - bare root - cell grown - rootballed - container grown
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Height and Spread grades : Dwarf/prostrate types |
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cm |
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15-20 |
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20-30 |
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30-40 |
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Height and Spread grades : Medium and vigorous types |
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cm |
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20-30 |
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40-50 |
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50-60 |
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60-70 |
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For species/cvs. with a vigorous growing top leading shoot, half of the annual top shoot is the upper limit for the measure of the height. e.g. Pseudotsuga, Picea omorika. | |||