The genus Veigelia, Diervilla includes twelve species of deciduous shrubs originating in northern China and Korea, then imported into Europe, more precisely in England, for the first time in 1841. From this first Weigelia florida, over time were born of the hybrids that have reached the hundred.
The flowers of this plant, with a bushy habit, are tubular, 2-4 cm long that open into five flattened terminal lobes.
It flowers in May - June on the buds that form from the branches of a year.
The plant can reach 3 or 4 meters in height and its branches are crossed by two parallel hairy lines.
The fruit of the plant is composed of two valves.
Weigelia florida is native to northern China; It is an expanded shrub with arched branches and bushy habit. The leaves are deciduous and with opposite trends, with jagged edges and a pointed end. They have rather accentuated ribs.
This plant, with a rather rustic character, can reach 4 meters in size.
The leaves are light green on the upper page. They are ovate - lanceolate, sharp at the apex and serrated at the edges.
The flowers are pink on the outside, lighter or white on the inside and are gathered in bundles.
Flowering occurs in the spring, early summer, between May and June, when it is possible to witness a copious development of many pinkish flowers.
The Veigelia, Diervilla grows well in different areas being a rustic and easily adaptable shrub; however, it prefers a sunny or partially shaded position.
As for the temperatures, being a rustic plant, it does not find particular problems, even if it is partially sensitive to strong winter frosts.
The Weigelia florida plant has a rustic character and is well suited to different climate zones; the youngest seedlings, however, in order to grow and develop at their best they require abundant watering, especially in the summer and in those of great drought.
To allow the plant the best development it is advisable to bury at the foot of the mature manure plant during the spring period, between April and May. In this way the plant can have the right nourishment and develop in the best way.
As for the multiplication of Veigelia, Diervilla can be sown in spring for typical species. For hybrids and varieties, cuttings are used. Ten centimeters long cuttings are taken, and they are planted in a mixture of sand and peat in equal parts, at fifteen degrees. When they have rooted they repot. In April they are planted in the nursery where they are grown for a year before planting them.
The Veigelia, Diervilla has a bushy habit and does not require any particular pruning, even if, after flowering, it is possible to proceed with an intervention that allows to eliminate the oldest and most extended branches directly at the base and shortening a part of the other branches . In this way it will be possible to keep the plant thicker and more compact, giving it a less messy appearance.
Being a rustic plant, Weigelia florida is able to adapt to all types of soil, as long as they are well drained, if they can suffer from stagnant water that can compromise their health. The ideal soil must be fertile, well drained and not too calcareous, possibly clayey and containing mineral salts that provide the necessary nutrition to the plant. It is a plant that tolerates pollutants well.
Veigelia, Diervilla - Weigelia florida: Pests and diseases
There Weigelia demonstrates its rusticity even with regards to its resistance to pests and diseases, even though it is not completely immune. Mushrooms can cause serious problems to the plant if they are not countered in time
The aphids, then, can infest the vegetative apexes of the plant weakening it and making it sticky.
The diseases to be fought are: leaf spots and the little family.
To counter these problems it is possible to intervene with special products, naturally when the flowering is not yet in progress.