Bulb flowers

Bearded iris, the garden iris


The bearded iris is a perennial that is as easy to grow as it is decorative when in bloom.

In summary, what you need to know:

Last name : Iris barbata
Family : Iridaceae
Type : Bulbous or perennial flower

Height : 20 to 90 cm
Exposure : Sunny and partial shade
Ground : Ordinary

Flowering : January to July depending on the species

Classic, beautiful and elegant at the same time, she loves being in the sun and doesn't ask for anything else!

Planting bearded iris

Ideally, bearded iris is planted in the fall or spring for flowering the following summer

  • Plant bearded iris rhizomes in the sun and where it is hot in summer.
  • The bearded iris likes well-loosened soils without being too buried.
  • Observe a sufficient spacing of 5 to 10 cm between each plant.
  • Let the rhizomes protrude very slightly so that they receive the sun on their upper part.
  • It is more aesthetic to plant the bearded iris in small groups of several specimens.

Approximately every 3 years it is advisable to divide the stumps by separating the rhizomes in order to regenerate the foot.

  • The division is preferably done in summer
  • Take the stump out of the earth using a spade
  • Clearly cut the rhizome using a sharp knife
  • Replant the new strain in a suitable location
  • Water

Bearded iris seedlings

In sowing, prefer sowing in pots in September-October.

  • You can leave them outside and under cover all winter.
  • Flowering will only take place 2 to 3 years after sowing.
  • You will proceed to transplanting in the ground as soon as the first leaves emerge.

Pruning, maintenance of bearded irises

The bearded iris is a very easy to maintain perennial and does not generally require any care when it is well established.

  • Weed regularly around so as not to let the weeds take over the rhizomes
  • Remove wilted flowers as you go, but leave the foliage until it turns yellowing, usually until September.
    The iris needs its leaves to turn yellow in order to build up the reserves it needs for the next flowering.
  • Remove the weeds that grow in the center of the plant to clear the rhizomes.
  • No need to water because the plant does not need it.

Good to know about bearded irises

The bearded iris is a fairly hardy plant that tolerates winter very well and therefore does not need to be protected.

  • The cold even participates in the good development of the plant.

Its flowers are characterized by 3 magnificent petals in the most varied colors.

Most of the time purple in color, they can also be blue, yellow, red or white.

Smart tip about bearded irises

The lifespan of a bearded iris can range from 5 to 20 years.

To optimize its lifespan, add a special bulbous organic fertilizer every year after flowering.


Video: Get Gardening: Divide and conquer Bearded Irises! (June 2021).