Petunia dwarf Calibrachoa – cultivation


There Calibrachoa it’s a new variety of petunia with a drooping habit, highly appreciated for creating lively splashes of color in the vases of the terrace, in the flowerbeds of the garden in the warm season.

It is a new American ornamental herbaceous plant that has recently been introduced with great success throughout Europe, including Italy.


It is a perennial herbaceous plant, grown as an annual, appreciated for the impressive speed of its abundance flowering starting from Mid-April and continues until October forwarded.


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General characteristics of dwarf petunia

It is an ornamental herbaceous plant of the Solonaceae family belonging to genus Petunia.

The plant native to South America like its close relatives has a bushy but much more drooping habit. The herbaceous stems, even more than 20 cm long, are covered with small lanceolate and hairy dark green leaves.


Many know the Calibrachoa with the name of dwarf petunia, but in reality it is a very luxuriant bushy plant that has only flowers small.

It’s a easy to grow plant and due to its resistance to rain and wind, it has supplanted its close relatives such as surfinias and petunias on the balconies and in the garden.

For its elegant drooping posture, for the vivacity of the colors of its bell-shaped flowers and for the high resistance to adversity (parasites and diseases of various kinds) it is also ousting the classic geraniums: pelargonium, Parisian geraniums and imperial geraniums.

The Calibrachoa plants with their beautiful flowers in shades of purple, blue, pink, red, magenta, yellow, bronze and white, they are perfect for growing in containers or hanging baskets.

THE flowers, small bluebells of white, yellow, pink, red, blue and violet, bloom continuously, covering the entire planter in which they are raised.

THE fruits they are small capsules containing tiny seeds very fertile blacks that can be harvested in full ripeness to be able to sow them in the following spring.

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There Calibrachoa o mini petunia blooms from spring until late summer and sometimes if the climate is mild until the first cold of winter.


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Calibrachoa cultivation


Like the normal-sized surfinias, the dwarf petunia prefers sunny places and, unlike them, does not fear wind, rain and adversity in general.


It adapts to any type of soil but grows luxuriantly in a soft, humid and rich in organic substance substrate. The optimal one is the soil that is normally used for flowering plants that can be purchased ready-made at a nursery or garden.


Calibrachoa is a plant that, although withstanding short periods of drought, needs regular and abundant watering especially in summer. The lack of water causes the yellowing of the leaves but they recover immediately when water is administered.


For a regular growth of the plant, administer every 7-10 days a specific liquid fertilizer for flowering plants, suitably diluted in the watering water according to the doses recommended on the manufacturer’s package. During the flowering period, to favor and prolong flowering, administer slow release fertilizer with a higher potassium (K) content.

Calibrachoa - multiplication

Multiplication of the Calibrachoa – Petunia nana

The Calibrachoa multiplies by seed and also by semi-woody cutting.


There sowing it is carried out at the end of winter in a protected and warm seedbed with a constant temperature of 21 ° C. After the germination of the seeds, the plants are transferred to single pots with a diameter of 10-12 cm and transferred to the greenhouse and made to strengthen until the moment of mass permanent residence. Being a hybrid species, the new plants will have identical characteristics to the mother one.

Propagation by cuttings

this practice ensures plants identical to the original one. With well-sharpened and disinfected scissors, cuttings of twigs 12-20 cm long are cut and rooted in a container with well-drained soil, then placed in a bright, humid environment with a temperature of about 21 ° C.


Dwarf petunia topping

The Calibrachoa should be topped from time to time the longer stems are topped by a few centimeters to favor the emission of new floral shoots.


Calibrachoa: cultivation in pots

It is a plant that, due to its elegant and drooping posture, resistance to wind and rain, is grown in large pots or long rectangular planters on south-facing balconies and terraces. The pot should be filled with loose, nutrient-rich soil. It must be fertilized throughout the vegetative period with a slow release fertilizer, specific for flowering plants at least once a week. It should be watered every day in summer and withered flowers must be removed to prolong flowering.



Calibrachoa plants are plants grown as annuals and therefore should only be repotted if purchased from nurseries. Repotting must be done to eliminate for two fundamental reasons: to eliminate the vase effect both to ensure the space required by the development of the roots and to favor the foliage. Generally, Calibrachoa plants are sold in pots with a diameter of about 10-12 cm and therefore the new one must be at least 20-30 cm wide and at least 20 cm deep.

The container must be filled with specific soil and the plant must be repotted with the stick of earth. The roots are delicately untangled towards the bottom and towards the edge.

Immediately after, the plant should be watered to allow the roots to adapt to the new home.


Pruning of dwarf petunia

When flowering appears stunted, it is good to prune the plant drastically using well-sharpened and disinfected shears. This operation will favor the emission of new branches and many flowers.


Diseases and parasites of the Calibrachoa

Calibrachoa, unlike surfinia or petunia petunia, is a plant that, with the exception of root rot, does not suffer from powdery mildew or bad white and generally shows greater resistance even to aphid attacks. Among the animal parasites it fears only the red spider, a small mite that loves to weave its small cobwebs among the innermost twigs.

Cures and treatments

Calibrachoa is a plant that does not require special maintenance care, it grows practically without any problems even if you do not have a green thumb. For the plant grown in pots it is only necessary to empty the saucer after 30 minutes from watering as water stagnations are the cause of root rot.

Any parasitic infestations can be counteracted by spraying the plant with organic products such as: the garlic pesticide, the nettle pesticide or the pyrethrum pesticide all easy to prepare if necessary by infusion, maceration or decoction in short, using spontaneous and non-spontaneous herbs. chemicals. The treatments, even if natural, must still be carried out on a non-windy day, early in the morning or after sunset.


Calibrachoa is used for flower borders, for wallpapering walls and for creating splashes of color on balconies and terraces.


Language of flowers

The calibrachoa like petunia is the symbol of anger and resentment.


Calibrachoa belongs to the Solonaceae family such as pepper, eggplant, potato, etc.

Photo gallery petunia dwarf or calibrachoa


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