Pelargonium peltatum

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Pelargonium peltatum
Light:Full Sun
Moisture:Xeric Mesic
Hardiness:9
Soil pH:5.6-8.4
Evergreen
Height:5'
Width:5'
Blooms:Late Spring-Mid Summer
Native to:
Edible Rating:PFAF Edibility Rating
Medicinal Rating:PFAF Medicinal Rating
Tea:Yes
Poisonous

Pelargonium peltatum (common name: ivy-leaved geranium)

Propagation: Seed - best sown as soon as it is ripe in a greenhouse. Stored seed should be sown in early spring in a greenhouse. The seed germinates best with a minimum temperature of 13°c, germination usually taking place within 2 weeks though it sometimes takes some months[1]. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse for at least their first winter. If trying them outdoors, plant them out in early summer and consider giving them extra protection during the winter.

Cuttings succeed at almost any time in the growing season but early summer is the best time in order for the new plant to become established before winter.

Cultivation: Requires a light well-drained neutral to alkaline soil in a sunny position[2][1].

Not very hardy in Britain, it generally requires greenhouse protection but might succeed outdoors in the mildest parts of the country[3], especially if grown against a sunny wall and given some protection in the winter[4]. They can also be grown in containers that are placed outdoors in the summer and then brought into the greenhouse or conservatory for the winter[5]. The plants need to be kept fairly dry in the winter[1].

Very tolerant of pruning, they can be cut right down to the base in the autumn when bringing them back indoors, or in the spring to encourage lots of fresh growth[5].

There are many named forms, selected for their ornamental value[2].

Range: S. Africa - Cape Province to East London.

Habitat: Grows in scrub along the coast or on dry rocky hillsides[6].

Edibility: Leaves and buds - raw or cooked. An acid flavour[7], they are used as a vegetable[8][9].

Medicinal: All parts of the plant are astringent[10].

Usage: A blue indigo dye is obtained from the flower petals. It is used in painting.

An essential oil is obtained from the plant.

Soil: Can grow in light and medium soils.

Drainage: Prefers well drained soil.

In Leaf: Evergreen

Flower Type: Hermaphrodite

Links

References

  1. 1.0 1.1 1.2 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. 2.0 2.1 Brickell, Christopher. The RHS Gardener's Encyclopedia of Plants and Flowers. Dorling Kindersley Publishers, 1990.
  3. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  4. Grey-Wilson, Christopher and Victoria Matthews. Gardening on Walls. Collins, 1983.
  5. 5.0 5.1 Bown, Deni. Royal Horticultural Society Encyclopaedia of Herbs and Their Uses. Dorling Kindersley, 1995.
  6. Phillips, Roger and Martyn Rix. Conservatory and Indoor Plants Volumes 1 & 2. Pan Books, London, 1998.
  7. Hedrick, Ulysses. Sturtevant's Edible Plants of the World. Dover Publications, 1972.
  8. Tanaka, Tyōzaburō. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing, 1976.
  9. Kunkel, Günther. Plants for Human Consumption. Koeltz Scientific Books, 1984.
  10. Grieve, Margaret. A Modern Herbal. Penguin, 1984.