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Geranium macrorrhizum - L.

Common Name Bigroot Geranium
Family Geraniaceae
USDA hardiness 4-8
Known Hazards None known
Habitats Amongst limestone rocks, screes, in woods and scrub to 2100 metres[187]. Shady places, especially in mountains[50].
Range C. Europe. A garden escape in Britain in S. Devon.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care
Fully Hardy Well drained soil Moist Soil Full shade Semi-shade Full sun
Geranium macrorrhizum Bigroot Geranium


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Geranium macrorrhizum Bigroot Geranium
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Summary


Physical Characteristics

 icon of manicon of flower
Geranium macrorrhizum is a PERENNIAL growing to 0.5 m (1ft 8in) by 0.6 m (2ft) at a fast rate.
It is hardy to zone (UK) 4 and is not frost tender. It is in flower from June to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: neutral and basic (alkaline) soils and can grow in very alkaline soils.
It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought.

Synonyms

Habitats

Woodland Garden Dappled Shade; Shady Edge; not Deep Shade; Ground Cover;

Edible Uses

None known

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Aphrodisiac.

Aphrodisiac[61].

Other Uses

Essential;  Pot-pourri.

The very aromatic leaves have been used in the past as a source of geranium oil[187]. They are used in pot-pourri and perfumery[244]. A good dense ground cover plant[197, 200]. A very effective weed smotherer[187, 190]. Plants grow rampantly, rooting as they spread[208]. They should be spaced about 60cm apart each way[208].

Cultivation details

Easily grown in dry or moist situations, in sun or light shade[187, 200]. Succeeds even in deep shade[208]. Tolerates a wide range of soil types, succeeding in any moderately fertile retentive soil[200]. Calcicole[50]. Established plants are drought resistant[190]. A very ornamental plant, there are many named varieties[187]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].

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Propagation

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring or autumn. Very easy, virtually every bit of a divided plant, whether it has roots or not, will grow away and produce roots[190]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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12

 

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Author

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Botanical References

1750200

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Subject : Geranium macrorrhizum  
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