Potentilla – Popular Shrubs for the Garden
These are the Shrubby Cinquefoils, mostly varieties of Potentilla fruticosa, a deciduous shrub about 4 feet tall, although its named forms range in height from 1 foot upwards to over 4 feet. They flower over a very long period, usually from June to September, or even later into the autumn and are invaluable from this point of view alone. In the species itself theare yellow, but there are many subtle shades of this colour and in the varieties it is possible to find pale primrose as in, Potentilla ‘Katherine Dykes’, one of the best of all, reaching 4 feet, canary yellow, as in Potentilla ‘Elizabeth’, 2-1/2 feet tall, and golden-yellow, in such varieties as farreri.
This variety grows to 2 feet and comes into flower earlier than the others. A coppery yellow, or orange, can be obtained with the ‘Tangerine’ variety and a creamy-yellow with vilmoriniana. This is an excellent variety because its silvery, almost white leaves add to its attraction. Apart from these, there are white-flowered kinds, of which the 1 foot tall Potentilla mandshurica, with grey leaves, is one of the best.
Although the potentillas do best in sunny, open positions, they will tolerate a little shade and the quality ofappears to be immaterial. They do not require . Those of more upright growth may be used to make pleasant internal hedges, flowering as they do over such a long period.
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