Leptinella Squalida (Koperknoopje) Verzorging

August 28, 2025 Peter van Dijk

Leptinella Squalida (Copper Button) Care

Leptinella Squalida, better known as Copperknoopje, is a versatile garden plant that serves perfectly as a ground cover, border plant or as a decorative border along paths and terraces. Thanks to its compact growth and copper-colored leaves, it adds a stylish accent to any garden. Copper Button is low-maintenance, suitable for light foot traffic, and grows densely, effectively suppressing unwanted weeds. In this blog, you can read everything about the care of this plant.

Watering the Copper Button

Proper watering is essential for a healthy and shiny copper button. Keep the following points in mind:

Water regularly – especially during warm and dry periods to prevent drying out.
Avoid waterlogging – ensure the soil is well-draining and that no puddles remain around the roots.
Use mulch – a layer of mulch helps to retain moisture in the soil and keep the temperature stable.
Extra care for young plants – check daily if the soil is moist enough until the roots have developed well.
Pay attention to the leaf color – if the leaves lose their shine, this can be a sign of too little water or, conversely, too much water. conditions.

Copper Button Location

The location determines how beautifully and strongly the copper button develops. This ground cover loves light and warmth, but can be sensitive to extreme conditions. A well-chosen spot ensures that the copper-colored leaves retain their full luster and the plant spreads evenly. When choosing the right location, consider the following points:

Sun – full sun is fine, but in extreme heat, direct sunlight can slightly burn the leaves.
Shade – too much shade slows growth and makes the leaf color less intense.
Shelter – a spot sheltered from strong winds prevents the delicate leaves from drying out.
Combination of sun and shade – ideally, a location where the plant receives sun in the morning and benefits from light shade in the afternoon is best.

Walkable Copper Button

One of the fine qualities of the copper button is that, despite its graceful appearance, it is surprisingly sturdy. Due to its low, dense growth, the plant forms a natural carpet that can tolerate light foot traffic well. This makes it a beautiful and functional choice for areas in the garden where you walk over it occasionally. Please do take the following points into account:

Between stepping stones or along terrace edges – ideal for giving walkways a green, elegant border.
Alternative to a small ornamental lawn – suitable as a low-maintenance carpet that is walked on occasionally.
Resistant to light foot traffic – the plant can handle some pressure, but heavy foot traffic can damage the leaves and roots.
Room to spread – avoid constant foot traffic and give the plant a chance to recover and spread.

Copper Button Plants

A good start is the key to a strong and healthy copper button. By following the correct steps during planting, you ensure that the roots establish quickly and the plant spreads rapidly into a beautiful, dense carpet. Therefore, pay some extra attention to the preparation and planting. Please note the following:

Preparing the planting hole – dig a hole slightly larger than the root ball so that the roots can spread easily.
Maintain planting distance – space the copper nodes 20–30 cm apart to allow sufficient room for sprouting and an even cover.
Press down the soil firmly – press the soil down well after planting to prevent air pockets and create direct contact with the roots.
Water at planting – water immediately so that the root ball remains moist and the roots take hold faster.
Good soil choice—use nutrient-rich but well-draining soil to support both growth and health.

Sowing Copper Button

Although copper button is often purchased as a ready-made plant, it is also possible to sow this ground cover yourself. This does require a bit more patience, but it can be a fun way to grow multiple plants at once and fill the garden economically. A careful approach ensures that the seeds germinate well and develop strong young plants. Pay attention to the following points:

Sowing time – sow in the spring, preferably in a seed tray or pot with airy, well-draining seed or cutting soil.

Soil moisture – keep the soil constantly moist, but prevent it from becoming waterlogged to avoid mold and rot.

Temperature – ensure a temperature of approximately 18–22°C to accelerate germination.

Germination time – the first seedlings appear after 2–4 weeks.

Transplanting – only transplant the young plants when they be large and sturdy enough to continue growing independently.

Thinning – remove excess seedlings so that each plant has enough space to develop properly.

Toxic Copper Button

The copper button is completely non-toxic and therefore safe for both humans and pets. Dogs, cats, and children can play near this plant without worry, and even the leaves and flowers are edible without health risks. This makes the copper button an ideal and carefree choice for gardens where pets roam freely or where children often play outside.
Pruning Copper Button

Pruning is not strictly necessary for the copper button, but it can contribute to a neat appearance and healthy growth. By trimming occasionally, the plant remains more compact and the shape is better preserved. Moreover, pruning stimulates the production of new shoots, making the ground cover denser and fuller. Pay particular attention to the following points:

Remove loose or withered leaves – this keeps the foliage fresh and well-groomed.

Encourage compact growth – trim back where necessary to create a neater appearance.

Promoting new shoots – light pruning encourages the plant to produce fresh growth.

In short: pruning the copper button plant is primarily cosmetic, but it does contribute to a healthy, full, and attractive plant.

Copper button cuttings

Choosing healthy offshoots – cut strong, young offshoots from the mother plant.

Planting immediately – place the cuttings in moist, well-draining soil or in a pot with airy cutting soil.

Wait for root formation – new roots will develop within a few weeks.

Transplant to permanent location – as soon as the cuttings have rooted sufficiently, they can be moved to their permanent spot in the garden.

Expand the population – taking cuttings is a simple way to increase your copper button collection without extra costs.

Fertilizing Copper Button

The copper button is naturally a strong and economical plant that requires little nutrition. Nevertheless, light fertilization can contribute to fuller growth and a more intense leaf color. With the right approach, the plant remains compact, healthy, and an eye-catcher in the garden for years to come. Keep the following points in mind:

Spring fertilization – apply an organic fertilizer in the spring to help kickstart growth.

Optional summer fertilization – if needed, you can give a second, light dose in the summer to enhance color and vitality.

Avoid over-fertilization – too much nutrition can lead to rapid, weak growth and a less robust plant.

Light, regular feeding – a small amount at the right time keeps the foliage compact and beautiful in color.

Copper Button Snails

Although copper button is generally a strong and low-maintenance plant, snails can sometimes cause damage, particularly to young plants. They like to feed on the fresh leaves, making the plant look less well-cared for and grow more slowly. Fortunately, there are several ways to limit this problem:

Remove hiding places – remove old leaves, mulch residue, and other garden debris where snails can hide during the day.

Natural protection – use environmentally friendly pesticides or place copper rings around the plants to deter snails.

Check regularly – look for snail trails, especially after rainy days, and remove any snails present immediately.

With these preventive measures, the copper button remains healthy and attractive. Would you like to discover more tips and methods? Also read our blog about: Controlling Snails!

Copper Button Diseases

The copper button is known as a strong and healthy plant that rarely suffers from diseases. When problems do occur, this is usually the result of unfavorable conditions, such as soil that is too wet or poorly drained. With proper care, most problems are easy to prevent. Pay particular attention to the following points:

Soil condition – soil that is too wet or poorly draining can cause root rot.

Avoid waterlogging – ensure that excess water can always drain away properly.

Fungal prevention – prevent fungal diseases by maintaining sufficient air circulation and sufficient space between the plants.

General maintenance – a healthy location and regular maintenance minimize the risk of diseases.

How fast does a Copper Button grow?

In the first year after planting, the copper button grows relatively slowly, because the plant primarily uses its energy to develop a strong root system. Once the roots are well established, growth increases significantly and the plant shows how vigorous and filling it can be. Take the following into account regarding the growth rate:

Runners – once established, the copper button spreads rapidly via creeping runners.

Dense carpet – within a few seasons, the plant forms a closed, low-growing carpet.

Weed suppression – due to its dense growth, unwanted weeds hardly stand a chance.

Provide space – ensure that the plant has sufficient space to develop optimally.

Copper button turns brown

When copper button develops brown leaves, this is not always a cause for concern. Often, it is a natural reaction to weather conditions or a sign that the plant is renewing itself. However, brown discoloration can also indicate environmental factors that can be improved. Possible causes are:

Drying out – check if the soil is not too dry and provide extra water if necessary.

Too much sun – the leaves can burn in bright midday sun; A spot with light shade prevents this problem.

Frost damage – in autumn and winter, natural discoloration can occur due to cold and frost.

Old leaves – the dying off of older leaves is normal and stimulates new, fresh growth.

Maintenance – regular pruning helps to keep the plant compact, fresh, and healthy.

Koperknoopje is a versatile, low-maintenance ground cover that brightens up borders and patios with its copper-colored leaves. It is safe for pets, resistant to light foot traffic, and can be easily propagated by cuttings and sowing. With proper care and attention to water, location, and light pruning, Copper Button remains a strong and decorative asset to any garden for years.