Plant and care for iris

The iris as winterhard ornamental

Plant and care for iris: plant

The iris, how the beautiful iris called by botanists unique flowers with low maintenance. The iris is only distantly related to the well-known lilies, because it belongs to the plant family of the iris family.

With over 300 species will the iris, the after the Greek goddess of the rainbow is named as a beautiful and colorful ornamental flower in the outdoor and indoor area.

Depending on the variety fall from the flowering phase and claims: The so-called Onion Iriswhich actually forms tubers and no onions, prefers moist locations. Irises forming rhizomes, on the other hand, tolerate persistent moisture only very badly.

In the following, we have put together important planting and care tips for you so that you can guarantee optimal plant growth for your iris.

Variety of iris

The iris is botanically divided into six subgenera, for garden lovers, however, are only two distinguishing features really relevant: the onion and rhizome irises.

Both species are hardy and prefer sunny locations, with the rhizome iris preferring sandy, dry soils where onion irises would never thrive. The claims of the rhizome species are then again divided into three subgroups.

Even proven iris experts have problems with such a diversity of varieties with a correct assignment of a flowering individual plant. To make matters worse, that the iris intersects quickly and easily with other species, whereby the wide field of irises is becoming increasingly confusing.

It is all the more important that you are informed about the tendered requirements and site criteria of the ornamental shrub and that you purchase an iris suitable for your garden planning in order to support healthy growth.

Claims and planting of the iris

Plant and care for iris: care

Irises are available in many species that differ in their demands and their shape.

The irises intended for gardening are hardy and hardy prefer a sheltered and sunny location in the flowerbed.

Ornamental perennials are often planted in the back of the bed, as their unique flowers are formed at the top end of the approx. 100 cm tall flower stalk.

Like all perennials, the onion and rhizome irises are also sensitive to persistent moisture. Around Effectively avoid waterlogging, loamy soil should be treated with sand.

Is the garden soil too compacted, For more sensitive rhizome irises, experts recommend an additional drainage layer of fine gravel or expanded clay for easier water removal.

Tip: If you occasionally loosen up the bed soil with a digger fork, this will support healthy plant growth. However, be careful not to damage delicate roots.

The ornamental tree will placed in the bed between August and October. Rhizomes are additionally shortened in advance by a few centimeters and freed from half of the foliage. Then the rhizome is inserted so deep that one third remains above the surface, which also applies to onion irises. The planting distance should be about 40 centimeters.

Maintain iris

Plant and care for iris: care

The iris is watered after planting and then not further maintained. Fertilizer tolerates them only badly.

After planting In autumn, the young plant is well watered to promote its rooting and thus facilitate the ingrowth.

Otherwise, the irises are undemanding with regard to their daily care and need only be watered in addition to prolonged periods of drought.

Since iris roots are extremely sensitive to salt, additional fertilization with synthetic products is not recommended.

Many of the fertilizers available on the market are high-dose concentrates, which quickly lead to over-fertilization in the case of an iris. As a result, root rot occurs and the perennial undergoes considerable damage.

Tip: In poor soil conditions, organic fertilizer backfilling can encourage growth and flowering between May and August. In general, however, irises are best grown if allowed to grow undisturbed.

Prepare irises for the winter

Plant and care for iris: care

Before the winter, the iris is partially cut back.

Irises are hardy and can easily overwinter in the outdoor area. Nevertheless, before the onset of frost, some care measures are important to prepare the perennials optimally for the resting phase in winter.

After the flowers have withered, you are cut off with sharp scissors. Also discolored or brown parts of plants are removed, in addition, the flower stem is shortened to 10 centimeters.

Leave some leaves, however, because the foliage serves as a decorative winter protection. Here she creates nutrient reserves for the cold months in order to be able to bloom again in the spring. Only in the spring, when no night frosts threaten, all remaining leaves are removed.

If you omit the cutting after flowering, the perennial seeds will form and spread quickly throughout the garden. Irises are frost germs, so you can also collect the seeds targeted and grow in the refrigerator. In the spring, the small seedlings are then replanted.

Transplant and multiply irises

Plant and care for iris: iris

If you divide your irises every five years, they will remain very flowering.

At the same time as the cutting measures after flowering, irises are also possible transplant easily between August and October. Carefully remove the rhizome or tuber from the soil and plant the rhizome to a new location.

Again should one third of the tuber remain above ground during planting. After four to five years, irises form noticeably less flowers.

Now is the time to divide the ornamental tree to stimulate new growth. With the help of a grave fork, the plant is lifted out of the ground and divided with a sharp knife. The divided rhizomes can now be replanted.

Tip: By occasional sharing, the perennial is easily propagated. A pull from seeds takes much longer and is correspondingly expensive.

Iris sibirica is flower of the year 2010

Plant and care for iris: iris

The Siberian Iris is Flower of the Year 2010.

The iris sibirica, also known as the Siberian iris or meadow iris, grows up to 120 cm high and forms colorful inflorescences with two to five flowers.

Their stocks of natural sites are currently in decline due to drainage and economic use. The ornamental shrub feels particularly well in discounts and on banks of water.

In October 2009, the Sibirian Iris was proclaimed Flower of the Year 2010 by the Stiftung Naturschutz Hamburg and the Loki Schmidt Foundation.

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Video Board: How to care for Iris Plants