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Evergreen ribbon flower: how to grow and care for the flowering plant Iberis sempervirens like a pro

The evergreen ribbon flower (Iberis sempervirens) is a flowering plant from the Brassicaceae family that can reach a height of 30 cm and a width of 45 cm. This low-growing herbaceous plant is native to several regions of southern Europe and the Mediterranean, with the greatest diversity found in the Iberian Peninsula. The evergreen ribbon flower is a very popular ornamental plant, not only because of its delicate flowers, but also because it is easy to care for.

As a rule, Iberis are hardy

There are many varieties, the most popular of which are ‘Autumn Snow’, ‘Purity’, ‘Nana’, ‘Snowflake’, ‘Autumn Beauty’ and ‘Pink Ice’. Read on to learn more about Iberis sempervirens and how to grow and care for it like a pro!

What does the evergreen ribbon flower need to grow

The evergreen ribbon flower is a flowering plant from the Brassicaceae family

These plants are quite easy to cultivate and care for, so they are suitable even for novice gardeners. However, they do need the right growing conditions and a little extra attention until they settle into their new environment.

As far as light goes, evergreen ribbon flowers do best when placed in a sunny location. These flowers can also tolerate some partial shade without suffering in the long run. In regions with hot and harsh summers, they will even appreciate a little shade , especially in the afternoon. Nevertheless, your plants will bloom more profusely in full sunlight.

Ribbon flowers can be various shades of white, pink, purple or red

In terms of temperatures, Iberis are usually hardy. However, in very cold areas, the leaves of these plants are only semi-evergreen. Because of this, most gardeners who grow them in cooler climates use pine branches to help their plants get through the winter.

Iberis sempervirens reach a height of 30 cm and a width of 45 cm


In its natural habitat, evergreen ribbon flower prefers dry conditions. Therefore, it is advisable to place the plants in a location with dry air. If the humidity is too high outdoors, you can plant your Iberis sempervirens in pots and keep them indoors near a ventilation shaft.

The evergreen ribbon flower is usually unconcerned about fungal diseases and pest infestations. The only problem that can occur when growing and caring for these plants is root rot. You can easily avoid this problem by growing your flowers in suitable, well-drained soil.

How often to water the evergreen ribbon flower

Fun to know: evergreen ribbon flower (Iberis sempervirens) is non-toxic and has no toxic effects on animals or humans if touched or consumed. You can grow these flowers without worrying about the safety of your curious children or furry friends.

How often should you water the evergreen ribbon flower.

The evergreen ribbon flower is not poisonous to humans and animals


Watering ribbon flowers is a breeze, especially once they’ve settled into their new habitat. However, in the first year of growth after planting, your flowers will need more water than usual. Water your young plants whenever the top half of the soil feels dry.

Once established, evergreen ribbon flowers can tolerate relatively long periods of drought. Once these plants have developed a strong root system, they can usually get by with watering only once a week.

Iberis sempervirens - what care they need

During the hot summer months, you will need to check the soil more frequently. Give Iberis sempervirens water whenever the soil is completely dry. They usually do well in the winter if you water them every two to three weeks.

Planting Iberis sempervirens – what to consider

After flowering, the ribbon flowers bear fruit

The ideal time for planting evergreen ribbon flowers is usually early autumn. Typically, you should place them about (15 cm) apart to ensure good air circulation and avoid overcrowding.

To grow healthy and happy, ribbon flowers need the kind of gritty substrate found in their native habitat. In general, these plants do well in soils that have good drainage and tend to be alkaline. If you want to grow your flowers in pots, you should only plant them in those that have drainage holes at the bottom.

Although fertilizing your evergreen ribbon flowers is not essential, it can encourage abundant blooming. Therefore, you can provide your beloved plants with a slow-release fertilizer once a year in early spring . Look for products that contain a combination of high phosphorus and low nitrogen levels for best results.

You can plant Iberis sempervirens in pots

Sometimes Iberis sempervirens can get a little leggy, giving them an unkempt appearance. But once flowering is over, you can cut back about a third of the top foliage to keep them nice and neat. If your plants are getting too small, don’t worry! Regular pruning will always produce new, healthy growth over time.

Fun Facts: Bitter ribbon flowers (Iberis Amara) played a major role in traditional medicine. Although not regularly used in modern herbalism, all parts of these plants have antiarrhythmic, antiasthmatic, antirheumatic, antiscorbutic, homeopathic and tonic properties.

Flowering time of the ribbon flower

Plants of Iberis sempervirens - what to consider.

Generally, Iberis sempervirens bloom in the spring months. During this time, they form numerous fragrant, four-petaled flower clusters. Their flowers can be various shades of white, pink, purple or red. Usually they have a darker, yellow or pink center. After blooming, the flowers bear fruit where the flowers once were. The fruits are roundish to broadly ovoid capsules that contain narrow winged seeds.