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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 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 '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'£3.50

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 'Hilary Rendall'

Geranium x cantabrigiense 'Hilary Rendall'£4.00

New from Alan Bremner this form of Geranium x cantabrigiense has masses of palest icy pink flowers over evergreen foliage to 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 'St Ola'

Geranium x cantabrigiense 'St Ola'£3.50

Large white flowers with broad, overlapping petals, from Alan Bremner.


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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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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 'Westray'

Geranium x cantabrigiense 'Westray'£3.50

Alan Bremner’s hybrid is extremely floriferous with bright pink flowers. Named after the Orkney Isle his father came from. 15cm. PBR


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Geranium macrorrhizum 'Bevan's Variety'

Geranium macrorrhizum 'Bevan's Variety'£3.50

Deep pink flowers on this form, good autumn colour. 30cm. Good evergreen groundcover. Easy to grow in ordinary soil in sun or shade. Useful in dry shady places with improved soil.


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Geranium macrorrhizum 'Bulgaria'

Geranium macrorrhizum 'Bulgaria'£4.00

Bright, rich magenta pink flowers on this evergreen groundcover for drained soil in sun or part shade.  Good autumn/winter foliage colour and green new growth in spring.  25cm.


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Geranium macrorrhizum 'Cham-Ce'

Geranium macrorrhizum 'Cham-Ce'£3.50

Light pink flowers, very floriferous. Good evergreen groundcover. 30cm. syn. 'Camce'


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Geranium macrorrhizum 'Czakor'

Geranium macrorrhizum 'Czakor'£3.50

Brilliant magenta pink flowers! Good groundcover. 30cm. Any drained soil in sun or shade.


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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'£3.50

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 'Album'

Geranium macrorrhizum 'Album'£3.50

White flowers from deep pinkish red calyces. Evergreen leaves, 30cm. Valuable for it's controllable evergreen groundcover abilities, main flowering from April into early summer. Useful weed-excluding groundcover, even under trees and shrubs if given a good start with humusy compost.


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Geranium macrorrhizum 'Glacier'

Geranium macrorrhizum 'Glacier'£4.00

New from John Tuite this white flowered form has soft pinkish calyces giving a more pastel appearance than other white forms. Evergreen groundcover to 25cm. Sun or shade.


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Geranium macrorrhizum 'Mytikas'

Geranium macrorrhizum 'Mytikas'£3.50

A recent introduction with very compact growth and masses of small deep pink flowers in late spring. Not really a groundcover but a spreading patch to 15cm high.


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Geranium macrorrhizum 'Prionia'

Geranium macrorrhizum 'Prionia'£3.50

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 '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 macrorrhizum 'Snow Sprite'

Geranium macrorrhizum 'Snow Sprite'£3.50

An albino version with light green foliage and pure white flowers in spring. Compact and slower spreading than other forms. Deciduous. Drained soil in light shade is best. 20cm.


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Geranium macrorrhizum 'Spessart'

Geranium macrorrhizum 'Spessart'£4.00

White flowers from deep pinkish red calyces. Evergreen leaves, 30cm. Useful weed-excluding groundcover, even under trees and shrubs if given a good start with humusy compost. Almost identical to G. m. 'Album'


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Geranium macrorrhizum 'White-Ness'

Geranium macrorrhizum 'White-Ness'£4.00

AGM Pure white flowers without the usual pink calyx. Introduced from Mount Olympus by Liverpool Botanic Garden. Shame Vits didn't have this for her "pale garden"! Deciduous.


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Geranium x cantabrigiense 'Biokovo'

Geranium x cantabrigiense 'Biokovo'£3.50

One of the original forms with almost white flowers with faint pink veins. Good evergreen groundcover for 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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