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Geranium psilostemon 'Coton Goliath'

Geranium psilostemon 'Coton Goliath'

Family:  Geraniaceae
Main Season:  Summer
Flower Colour:  Magenta
Leaf Colour:  Green
Foliage:  Deciduous
Position:  Sun
Soil Type:  Ordinary, medium loam
Height:  1.8m to 2.4m (6' to 8')
Peat Free?  Yes
Hardiness Guide:  RHS H7 minimum at least -20C
Pot Size:  9cm



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This may be the largest Geranium! The counterpart to ‘Little David’, an exceptionally large form to 2m or more.  The flowers are the same as usual, magenta with a black centre but the leaves are paler green and with slightly more rounded divisions.  Ordinary, drained soil in full sun.

When we first saw this cultivar (in the garden at the former Axletree Nursery) we thought someone was having us on.  Strong, wiry stems held the giant leaves, up to 28cm across, to about 60cm above the ground and even stronger, thick stems branched upwards holding the flowers to 2.1m.  To be fair the garden there was irrigated, and no doubt mulched or fed well.

On the nursery in good, fertile soil that gets nice and damp in winter and tends not to dry out in summer it has been flowering at a fairly consistant 1.5-1.8m, even in drier summers.  The foliage and stems are all a lighter (but not sickly) green than normal but the flowers are pretty much normal, bright magenta with a black centre.

Originated at Coton Nursery near Cambridge run by Betty Ellis but was never published as far as we could tell, we obtained it from David Hibberd c. 2000 under the name Geranium psilostemon 'Goliath' and published the correct name in 2004.