Hibiscus syriacus, planting guide and care work

Hibiscus syriacus is a flowering plant in the form of a shrub, native to China and Anatolia. The name of the species comes from the fact that it can often be found in the gardens of Syria. It is suitable for growing outdoors, both in warm and mountainous areas. It can grow up to 2-4 m in height, has lobed, dark green leaves, and blooms in summer-autumn. The flowers are trumpet-shaped, are variously colored (pink, purple, white), have a red-scarlet spot in the center and white-yellow stamens.

Cultivars

Numerous cultivars were obtained from the Hibiscus syriacus species, different in the color and shape of the flowers.

  • “Hamambo”, with simple, large, pink flowers, with a carmine-red center;
  • “Red Heart”, with simple white flowers with a red center;
  • “Oiseau Bleu”, with simple flowers, blue-lilac in color and purple in the center;
  • “Duc de Brabant”, with double flowers, colored in dark red;
  • “Roseus Plenus”, with double, pink-purple flowers.

Environmental conditions

Light. It is a plant that prefers light and can be placed in direct sunlight, but it can also grow in partially shaded places.

Temperature. It has no special temperature requirements and it is resistant to frost if temperatures do not drop below -25° C.

Soil. It has no special requirements regarding the soil, it can withstand calcareous, sandy, or clay soils.

Fertilization

During the vegetative growth period, a specific fertilizer can be administered.

Recommended products

Read carefully and follow the instructions on the label of each product
Pruning

Annually, in early spring, the shape correction cuts can be done to maintain the appearance, because the shrub shoots strongly. Short cuts favor abundant flowering.

Recommended products

Read carefully and follow the instructions on the label of each product
Planting

Usually, this shrub is purchased in pots, and the optimal time for planting is in autumn or spring, in a sunny place, away from strong winds.

Propagation

Hibiscus syriacus can be easily propagated through seeds, which should be sown in spring (April). Propagation can also be done through cleft grafting, cuttings, or layering, but these procedures are recommended for professionals.

Recommended products

Read carefully and follow the instructions on the label of each product
Pests

Aphids can infest the plant most often.

Recommended products

Read carefully and follow the instructions on the label of each product
In addition:
  • regular cuts of the branches favor the penetration of light towards the inner part of the shrub.
  • it is a shrub commonly used in the form of a hedge.
  • plants obtained from seeds do not keep the characteristics of the mother plant.
  • it is a plant resistant to droughts.
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