This genus includes 45-50 species of deciduous or evergreen shrubs originating in North America, especially California. The most cultivated species in the gardens is evergreen, slow growing, with small dark green leaves on the upper side, greyish-green on the lower side and slightly pubescent.
Favorite plants in Italy, but also in the rest of Europe, to beautify balconies and terraces during spring and summer. The flowering is very rich, the simple cultivation, the care to be lent not excessive: insomme perfect plants for the beginners and also for the experts. For many years the passion for geraniums, or rather for the pelargonium (и pelargonium the botanical name, geraniacee is the name of the family), has led the producers of plants to enrich the genus with numerous hybrids; double flower, colored leaf, with fragrant leaf.
The black pear tree - Amelanchier rotundifolia is a deciduous flowering and fruit shrub native to southern Europe and the American continent, rarely exceeding three meters in size. It presents opaque green leaves, oval, alternate, dentate, just popped, they are covered by a fine whitish down, and are usually pink.
Xanthoceras sorbifolium is a shrub or small tree originating in China; it reaches 5-6 meters in height, with an average rapid growth. The habit is erect, the stem is short and has a wide rounded crown, consisting of long, slightly branched, arched branches; the large leaves are pinnate, composed of numerous leaflets with serrated edges, light green.
Corylopsis pauciflora is a dense deciduous shrub native to the Himalayas, China and Korea. It looks like a shrub or a small tree, usually less than two meters in size, with brown bark, bright red in the freshly grown branches. Before the snack leaves at the end of winter, produces many yellow flowers, gathered in slightly hanging racemes that give it a very colorful and cheerful.
The Tree of the fog or Cotino is a shrub or small tree, with deciduous leaves, originating in Europe; the adult specimens can reach dimensions close to three meters in height. Its scientific name is Cotinus coggygria. It has an erect, roundish habit with a densely branched and quite disordered foliage; the branches have greenish bark, which becomes gray with the passing of the years, quite smooth.
Strawberry tree An evergreen tree or shrub originating in Ireland and in countries bordering the Mediterranean, which can reach 9-10 meters in height, but which more commonly remains around 4-5 meters in size. It has gray-brown bark, which is peeled; the leaves are oblong-lanceolate, toothed, dark green and shiny, similar to those of the oleander.
The genus crataegus includes about two hundred species of deciduous trees and shrubs, originating in Europe, Asia and North America; they have erect habit and produce a disordered crown, the shrubs reach 3-4 meters in height, the trees reach a maximum height of 6-8 meters.
The agarist genus has very few species, which were once gathered in the genus Andromeda or in the genus Leucotoe; It is native to North America. It produces a large bush, which has numerous well-branched stems; the stems are thin, often prostrate or arched; shrubs can reach 2-3 m in height.
The Photinia x fraseri is a shrub, or small tree, evergreen, which can reach 3-4 meters in height; it is a hybrid, the plants used for hybridization are P. glabra, originally from Japan, and P. serrulata, originally from China. It is a roundish, leafy shrub, with thin, well-branched stems; the leaves are oval or lanceolate, bright red when they sprout, then become dark green; also during the autumn and winter some leaves can take on an orange color.
The buddleia constitute a family of about one hundred shrubs, both evergreen and deciduous, originating in Asia and southern Africa, also widespread in Europe and on the American continent. They consist of tufts of long arched stems, covered with long lanceolate leaves, dark green, with the lower white or gray page.
Origins, dimensions and habitation This corniolo is native to North America, where it is an essential part of the flora of the undergrowth of the piedmont areas: this is why we are perfectly at ease in the Alps and the Apennines, from the plain up to 1200 meters. It is here that an environment similar to the one of origin is reproduced: loose soil, with subacid to acid pH, frequent rains.
The American Sommaco or Rhus Typhina is a shrub, or small tree, with deciduous leaves, native to North America. It has an erect trunk, generally short, and a very branched, disordered, rounded, very flattened crown; the bark is smooth, gray-brown in color, tends to break in flakes over the years.
The Garrya elliptica is a shrub native to North America and in adulthood reaches 4-5 meters in height. It has a dark brown trunk, with slightly cracked bark, the crown is rounded, densely branched; the leaves are oval, with a wavy edge, dark green, greyish on the lower side, have a leathery texture and are slightly waxy.
This shrub has deciduous leaves native to central-southern Asia, which reaches 150-200 cm in height. The thin stems have erect habit, branch abundantly with the passing of the years; they have green bark, which becomes red-brown in winter, when the plant has already lost all its leaves.
Cotoneaster Cotonastro is a variety originating in China and the Himalayas. The genus counts species of deciduous or evergreen shrubs, with variable, erect or prostrate habit. The deciduous species are covered in bright colors in autumn, the evergreens are suitable for forming hedges and the prostrate ones for covering the ground.
The Griselinia littoralis is a vigorous shrub, or small tree, originating from New Zealand, evergreen; it has quite rapid growth, and can reach ten meters in height, although generally it remains within 5-6 meters. It has evergreen, oval, slightly thick and leathery leaves, bright green, sometimes tending to yellowish-green; the stem is short and gives rise to a roundish, very dense and thick crown, which makes the shrub very suitable as a hedge plant.
Some species, originating in China and Asia, belong to the kolkwitzia genus; the Kolkwitzia of China is a shrub of medium size, with deciduous leaves, of round shape. Develops a short, densely branched stem, with slightly arched branches; the foliage is dark green, becoming yellowish in autumn, before falling.
It is a genus that includes numerous shrubs, sometimes even small trees, evergreens, originating from the Australian continent. O. erubescens is a shrub, 50-60 cm tall, made up of small semi-woody stems, very branched, which bear numerous leaflets, toothed, thin and elongated, of dark green color, with the lower page covered by a thin silky hair; the shoots have leaves of a characteristic purple red color.
Philadelphus belongs to a genus of 75 species of deciduous shrubs, which in common parlance are called syringes. All varieties can reach a height that varies between 2 and 4 meters. The leaves are opposite, have very evident veins and are ovate. The flowers are cup-shaped, white and about 3-4 cm wide, they are generally gathered in bunches or bunches and give off a very intense aroma.
Only the japonica species, native to Asia, belongs to the genus Kerria; it is a medium-sized shrub, which reaches 200-250 cm in height, with a rounded shape. The stems of the kerria japonica are thin, arched, poorly branched, each plant produces numerous basal shoots, which tend to develop quite rapidly.