Iris hollandica


It is a bulb that can be grown easily. It is a hybrid of three species of Iris from Morocco and Spain. In a few years it can form large expanses, even in escarpments and borders. The name of this bulb is Iris Hollandica even though it is commonly called iris. It belongs to the Iridaceae family and is of the tunicate type. The size of this bulb is about 10 cm. These plants, called precisely Dutch irises, were introduced into the market thanks to the Tubergen nursery in the Netherlands and are now easily available in the main garden centers. They are characterized by their long stems and their flowers with a diameter of about 13 cm with original coloring.

Characteristics of the flower

The species of iris hollandica they are hybrid plants capable of producing a really large amount of flowers with bright and brilliant colors. They are ideal plants for creating borders, flowerbeds, rock gardens, to embellish or make planters and also as cut flowers. The flowers can take on different colors: from yellow to bronze, from blue to white. There are also two-colored species of particular beauty and elegance. The period in which the flowers bloom iris hollandica It's spring. The petals do not present any type of fragrance. When the plant grows, the shape of the petals appears like a small cockscomb.

Plant characteristics

Iris hollandica can reach a maximum height of 60 cm; the leaves have a green color while the stem is thin and elongated. These are particularly elegant plants with a unique beauty thanks to their bearing and the delicacy of the flowers.

Cultivation methods

To grow in an optimal manner the iris hollandica the terrenoda to use must be well drained. The planting period corresponds to autumn or spring and the depth to which the bulb of the plant in the soil is placed is about 12 cm. Between one bulb and another it is advisable to leave about 5 cm to allow the plants to develop at their best. It is also necessary to plant hollandic irises in sunny areas as they prefer full light.
If we wish to facilitate the growth of the plant, it is possible to use specific fertilizer before and during the flowering to be diluted in the irrigation water and to be administered to our plants. Pay attention to the difference between bulb and rhizome because the fertilizer for the bulbs must be different from that for the rhizome.


Not all iris species have similar irrigation needs. Some variables are the cultivation environment and the type of soil used. However, we can say that watering must be regular and not excessive. This will prevent moisture from getting the upper hand and consequently, mold to develop. Furthermore, it will prevent the formation of water stagnations, unsuitable for the correct growth of our plants.

Iris hollandica: Pests and diseases

These species do not suffer from particular diseases and are frequently attacked by parasites. However, it may happen that our plants show some growth difficulties during their life cycle. It is important to avoid water stagnation and therefore not to overdo irrigation; attention also to the presence or development of molds.