Geranium (Pelargonium Peltatum L.)

The geraniums that are classified as pelargonium peltatum are the most popular and used in the ornamentation of balconies and gardens.

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The pelargonium peltatum is a decumbent or supporting plant that has weak and elongated stems, with fleshy and peltate leaves up to 8 centimeters in diameter, provided with five shallow lobes. On the other hand, the flowers can be red, pink, white or purple, simple, semi-double or double.

In a sunny and wind-sheltered place, either outdoors or indoors near a bright window, it grows without problems. Pelargonium peltatum is sensitive to frost and therefore requires protection from the cold in winter. From spring to fall it produces abundant flowering when exposed for 5 to 6 hours a day in direct sunlight, with shelter during noon.


It does not need deep or very fertile soils. The light substrate with good drainage favors the root development of the geranium and prevents rotting. In very clayey or compact soils it will not be able to progress properly. Incorporate river hangover and sand in moderate amounts when preparing the ground for this species. For the cultivation in balconies and pots, use a substrate composed of 4 parts of black soil, 3 of river hangover and 2 parts of sand.


Plant pelargonium peltatum 25 cm apart in spring . Planting is done at this time to avoid damage caused by late frosts.

Fertilization and irrigation

The use of 200 grams of bone meal per square meter of flowerbed when planting in spring will keep the geranium with a continuous flowering until fall. This flowering can be improved much more with periodic applications of 10 g of granulated fertilizer (15-15-15) in 10 liters of irrigation water.

As for irrigation, this should be every two or three days in summer if the soil is very dry or every 5 days in the early hours of the morning and at dusk. You will have to do it every 10 days.


Geranium is easily multiplied by cuttings in spring and fall . Plants grown in the fall should be kept protected from the cold until planting in the flowerbed or on the balcony in spring.

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