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x cantabrigiense & macrorrhizum

Valuable for providing low growing evergreen (or nearly) groundcover and spring flowers. They are one of the most useful for providing cover in poor soils, especially under shrubs, trees or hedges.  This group are the most useful spreading cranesbills you can find.

Geranium macorrhizum is the larger species and typically gets to 20cm-30cm tall in flower, and most forms spread across the ground by underground stems that come up on the edge of the existing plant.  The older varieties are mostly evergreen, with autumn winter foliage colour, and tend to have a good display of white to magenta flowers in mid-late spring.  In more recent years some largely deciduous forms have been introduced that are less spreading but a bit more delicate.  All forms have leaves and stems that are scented, mostly of a spicy aroma.

Geranium macrorrhizum can hybridise with the diminuitive relative Geranium dalmaticum to create the hybrid species Geranium x cantabrigiense which performs the same job in the garden as Geranium macrorrhizum, but on a slightly smaller scale.  Most forms 15cm-20cm tall, and pretty well all evergreen they provide a very good, uniform groundcover suitable for edging beds, under shrubs or trees and even for larger rockeries.

Both Geranium x cantabrigiense and Geranium macrorrhizum are good in sun or light shade, in any soil that is not too dry or damp.  They are both suitable for growing on banks and winter hardy throughout the UK.

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Geranium macrorrhizum 'Freundorf'

Geranium macrorrhizum 'Freundorf'£4.00

Slightly deeper than 'Cham-ce', but still soft pink. 30cm. Good evergreen groundcover. Any drained soil, good in dry shade in improved soil. 30cm.


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Geranium macrorrhizum 'Olympos'

Geranium macrorrhizum 'Olympos'£4.00

New to us, this is a very dwarf, evergreen form with bright pink flowers in early summer. Low groundcover to 15cm for ordinary soil in sun or shade.


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Geranium macrorrhizum 'Pindus'

Geranium macrorrhizum 'Pindus'£4.00

A newer low growing form more similar to G. x cantabrigiense in stature. Good dense evergreen groundcover, and bright magenta pink flowers. 20cm.


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Geranium macrorrhizum 'Prionia'

Geranium macrorrhizum 'Prionia'£4.00

A dwarf form of this wonderfully useful evergreen species. Slowly spreading groundcover (45cm in 3 years) with masses of smallish deep pink flowers in late spring to 20cm. Shade or sun, even dryish.


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Geranium macrorrhizum 'Purpurrot'

Geranium macrorrhizum 'Purpurrot'£4.00

Evergreen groundcover studded with dull magenta flowers in spring and early summer. Excellent for growing under deciduous shrubs and trees where it will cope with dry summers. 25cm.


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Geranium macrorrhizum 'Ridsko'

Geranium macrorrhizum 'Ridsko'£4.00

Startling magenta flowers with boldly exerted stamens in spring and early summer. Low growing deciduous groundcover for sun or light shade. 25cm.


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Geranium x cantabrigiense 'Berggarten'

Geranium x cantabrigiense 'Berggarten'£3.50

Very pretty true-pink flowers from late spring to early summer. Makes a low carpet of evergreen leaves, useful around medium-sized perennials or grasses. Any drained soil in sun or light shade, 20cm.


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Geranium x cantabrigiense 'Cambridge'

Geranium x cantabrigiense 'Cambridge'£3.50

The first form of this hybrid described, from Cambridge UBG. Low, evergreen, carpets of neat foliage and mid-pink flowers to 15-20cm in spring and early summer. Ordinary soil in sun or light shade.


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Geranium x cantabrigiense 'Crystal Rose'

Geranium x cantabrigiense 'Crystal Rose'£4.00

A new sport from Ger. x cant. 'Westray' with amazingly bright reddish magenta flowers in spring and early summer to 20cm. Low evergreen groundcover for sun or part shade.


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Geranium x cantabrigiense 'Hanne'

Geranium x cantabrigiense 'Hanne'£4.00

A new form from Denmark with lovely soft rich pink flowers with near white edges - a reverse picotee. Evergreen foliage on a low carpet for ordinary soil in sun or light shade. 20cm.


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Geranium x cantabrigiense 'Harz'

Geranium x cantabrigiense 'Harz'£4.00

This German selection has largish white flowers with a hint of pink. Low growing evergreen for sun or light shade. 20cm.


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Geranium x cantabrigiense 'Rosalina'

Geranium x cantabrigiense 'Rosalina'£3.50

Lively bright lilac-pink flowers above a low carpet of evergreen leaves in late spring-early summer. An introduction from Austria by Christian Kress. Good edging plant for sun or light shade in ordinary soil. 20cm.


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Geranium x cantabrigiense 'Show Time'

Geranium x cantabrigiense 'Show Time'£3.50

Not often seen this form has lots of small pink flowers with distinctive large leaves. Good groundcover for sun or light shade. 25cm.


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Geranium x cantabrigiense 'Vorjura'

Geranium x cantabrigiense 'Vorjura'£3.50

This new variety has many bright rosy-pink flowers with deeper pink anthers in early summer. Low ground cover good for edging in sun or light shade. Ordinary, drained soil. 20cm.


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