Dutch Iris (Iris × hollandica) – Flowering plants

Dutch Iris (Iris × hollandica) is a perennial herb. It has a bulb of about 3.9 inches and can reach a height of about 24 inches. This bulbous iris has narrow linear green leaves and bears largish blue to yellow to white flowers. They don’t have any scent. They mainly blossom in May–June in the northern hemisphere, and in September–October in the southern hemisphere.

Scientific classification:

Family: Iridaceae
Tribe: Irideae
Genus: Iris
Subgenus: I. subg. Xiphium
Species: I. × hollandica

Scientific Name: Iris × hollandica
Common Names: Dutch iris.

How to grow and maintain Dutch Iris (Iris × hollandica):

Light:
It thrives best in full sun to partial shade.

Soil:
It prefers to grow in a rich, organic, well-drained, relatively dry soil in the summer is necessary for bulbs to set buds for the next year.

Humidity:
It prefers average room humidity.

Temperature:
It grows best in cool to average 60°F – 65°F / 10°C – 18°C.

Water:
Water regularly and moderately. Keep the soil evenly moist but not soggy. Soggy soil will cause bulbs to rot. Do not water in the summer during the dormancy period.

Fertilizer:
Fertilize every month with a balanced liquid fertilizer diluted by half from planting until the start of blooming. Do not fertilize while plants are in bloom.

Propagation:
It can be propagated by bulbs. Irises cannot be forced a second time indoors. If you want to keep them, allow the foliage to die back naturally, cut off the stems, then store the bulbs in a cool, dry place. Plant the bulbs in a sunny site with well-drained soil in the fall.

Pests and Diseases:
It has no serious pest and disease problems but susceptible to Fusarium basal rot.