General characteristics of Aubretia
L’Aubretia it’s a herbaceous plant cultivated for ornamental purposes in the ground and in pots, suitable for covering dividing walls and in rock gardens.
General characteristics of Aubretia
There perennial plant is selfmpregreen of the Brassicaceae family is native to Europe.
The plant, even if small in size, generally does not exceed 15 cm in height, tends to form large ground cushions thanks to its dense foliage formed by numerous herbaceous stems covered with small gray-green leaves.
The leaves they are small and leathery; they have an elliptical-lanceolate shape with a slightly hairy page or entire margin.
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During the flowering period theAubretia it is covered with lots of little ones flowers white, pink, red, purple and blue with single or compound corolla, depending on the species.
THE seeds they are very small but very fertile. They can be collected and used to obtain new plants by sowing the following spring.
Aubretia blooms from spring to summer.
Cultivation of Aubrezia – Aubretia
To obtain copious and prolonged blooms, the plant must be grown in sunny places. The root system, however, must be protected from direct sunlight and therefore it is advisable in the shade of walls or rocks. It does not fear low winter temperatures, frost and resists heat.
It prefers calcareous, soft, loose and well-drained soil.
It should be watered in moderation from the vegetative restart and then regularly, especially in summer and in periods of prolonged drought. Too abundant waterings stimulate the production of the leaves to the detriment of the flowers.
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From spring to autumn, every 15-20 days, provide fertilizer for flowering plants diluted in the watering water or, every 3 months, distribute a slow-release granular fertilizer at the base of the head.
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Multiplication of Aubtretia
Aubretia propagates by seed in spring and by division of the tufts in autumn or spring.
Sowing takes place in the seedbed between February-March. When the seedlings have fairly developed and robust roots, they are planted in single pots of about 8 cm in diameter and, in September-October, they are planted.
Propagation by cuttings
It is practiced in summer, in August-September. Cuttings of healthy and vigorous twigs are taken and buried in a mixture of peat and sand in equal parts kept moist until new shoots appear. In spring the rooted cuttings are planted one by one in pots of about 8 cm in diameter, where they are left to grow until the moment of planting.
Propagation by division of the tufts
New Aubretia plants can be obtained easily by dividing the tufts, which is practiced in In case of Division: in autumn and spring it is possible to divide the tufts, placing the practiced portions immediately planted.
Planting or planting
Aubrezia plants are planted when the temperature is mild in holes 20-30 cm apart.
Aubrezia: cultivation in pots
This evergreen ground cover plant that forms beautiful floral cushions is also perfect for decorating your patio, in pots or hanging baskets. It should be placed in a pot filled with specific soil, loose, rich in nutrients and well drained.
Repotting of Aubretia
Aubretia, grown in pots, should be repotted in spring whenever the roots come out of the drainage holes of the watering.
Pruning of Aubretia
To stimulate flowering and the emission of new basal shoots, the stems should be shortened to 10 cm from the base, using sharp disinfected scissors.
Diseases and parasites of the Aubretia
It is a fairly rustic ornamental plant but if the climate is too humid it is attacked by aphids. It fears root rot caused by water stagnation and snails.
Cures and treatments
Aubrezia plants must be protected from snails with specific traps that are easy to find on the market or with wood ash. Root rot it should be prevented by avoiding water stagnation in the soil and by regularly emptying the saucer, 30 minutes after watering.
Variety of Aubretia
There are many varieties of Aubretia all very beautiful and which substantially differ in the color of the flowers and for use in gardening.
Aubretia cascade blue
It is a perennial variety cultivated as ground cover in rock gardens and as falling on low walls and in hanging baskets. It forms thick floral cushions 15 cm high and produces blue flowers from April to June.
Aubretia gracilis cascade Royal violet
An evergreen perennial herbaceous plant 10/15 cm tall which in full vegetative vigor forms thick green cushions which in the flowering period are covered with many small violet flowers. Aubretia cascade royal violet prefers sunny exposures, calcareous and well-drained soils and is a perfect plant for covering walls, ideal for rock gardens and for growing in pots.
An evergreen perennial herbaceous plant that forms cushions 10/15 cm high, about 50 cm wide.
From early spring until June it produces small lilac-red flowers.
It is suitable for growing in full sun or partial shade in calcareous and well-drained soils. It is to be fertilized from March to November with fertilizer for flowering plants and watered occasionally in the vegetative months, approximately from April to October. At the end of flowering it should be cleaned of the dry parts. It survives very cold winter temperatures and is the ideal plant as a hanging plant on stone walls or flower boxes.
Aubretia gracilis cascade purple
It is a rustic, perennial and evergreen herbaceous plant 10 cm tall. Between March-May it produces purple flowers. It prefers full sun exposure and survives cold winter temperatures down to -40 ° C. Aubretia cascade purple is used as a ground cover in gardens, to cover cracks in low walls. Aubretia gracilis cascade purple is easy to grow even in pots.
Aubrezia is widely used as a ground cover plant in the rock garden, to compose borders, to cover walls and embellish sunny or half-shade balconies.
La Aubretia is named in honor of Claude Aubriet, an illustrious French naturalist known for his illustrations on plants and animals.
From the crossing of Aubretia Deltoidea with Aubretia columnae, different varieties of hybrids have been obtained, even with giant and semi-double flowers.