Frost-mat (Achyronychia cooperi)

Also known as: Nacré Dollar

The frost-mat plant is a small, ground-hugging perennial that forms a low, mat-like structure on the ground. It thrives in sandy soils. The plant features thick, pale green, paddle-shaped leaves that are under 2 cm in length. Tiny flowers grow densely in the leaf axils. Instead of petals, each flower displays five thin, shiny white sepals resembling tiny fingernails.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Frost-mat

Lifespan

Annual

Plant Type

Herb

Plant Height

3 cm to 17 cm

Spread

Not applicable

Leaf Color

Green

Flower Size

2.5 mm to 3 mm

Flower Color

White Green

Images of Frost-mat

Quickly Identify Frost-mat

Achyronychia cooperi can be identified by its tiny stature, usually not more than 5 cm tall, with small, white, papery flowers and opposite leaves. The flowers have a characteristic shiny appearance, resembling tiny coins.

Scientific Classification of Frost-mat

Phylum

Vascular plants

Class

Dicotyledons

Order

Caryophyllales

Family

Pink

Genus

Achyronychia

Species

Frost-mat

Planting and Growing of Frost-mat

Care Difficulty

Easy

Watering Schedule

Every day

Sunlight Requirements

Full sun

Sunshine Duration

10-12 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

Once a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Frost-mat?

Achyronychia cooperi thrives in arid environments, so mimic its natural habitat when watering. Approximately 150ml should be sufficient each time, ensuring the soil is moist but not drenched. Remember, less is more for this desert native.

What are the symptoms of an underwatered Frost-mat? ›

What should I do if my Frost-mat is not getting enough water? ›

What are the symptoms of an overwatered Frost-mat? ›

How to save an overwatered Frost-mat? ›

What Are the Sunlight Requirements for Frost-mat?

Sunlight Requirements: Full sun

Duration of light: 6-8 hours every day

Achyronychia cooperi thrives best in full sun, needing 6-8 hours of sunlight daily. This range ensures robust growth with well-developed, lush foliage, promoting a healthy lifecycle and enhancing its natural beauty.

What is the best location to plant Achyronychia cooperi? ›

How can Achyronychia cooperi receive enough sunlight indoors? ›

Why is ideal lighting important for Achyronychia cooperi’s growth? ›

What Is the Ideal Temperature Range for Frost-mat?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Achyronychia cooperi is essential to ensure optimal growth and development. By maintaining the temperature between 60°F and 75°F, the plant can carry out photosynthesis efficiently, resulting in healthy foliage and robust root development. This range also helps in avoiding stress that can lead to disease susceptibility or slowed growth.

What Soil is Best for Frost-mat?

Soil type: Sandy soil, Sandy loam

Soil PH: 6.5 ~ 7.5

Achyronychia cooperi prefers soils that drain quickly. Good drainage is crucial to prevent waterlogging, which can lead to root rot. Utilizing sandy soil enhances drainage, ensuring healthy root development and avoiding diseases. While relatively hardy, Achyronychia cooperi benefits from soil enriched with organic matter. This nutrient boost supports vigorous growth and stronger stems, helping the plant thrive and resist pests and diseases naturally. This plant thrives in well-aerated soils that allow roots to breathe, crucial for optimal nutrient uptake. Aeration prevents compaction, promoting strong and extensive root systems essential for stability and nutrient absorption.

How to Fertilize Frost-mat?

Fertilizer type: Balanced

For Achyronychia cooperi, the fertilizer amount should be moderate to ensure optimal growth without overwhelming the plant. Generally, apply a liquid fertilizer diluted to half strength every two weeks. This ensures that the nutrients are absorbed efficiently without causing any fertilizer burn.

How to Prune Frost-mat?

Pruning Time: Summer, Autumn

Before you start pruning, gently clean the plant by dusting off any dirt and debris. This step helps you to see the pruning areas more clearly. Start by cutting back any branches that cross or rub against others. Trim these back to the main stem to open up the plant for light and air. Achyronychia cooperi can be shaped for aesthetic purposes too. Trim to maintain a desired shape, but ensure to leave healthy leaves and stems for natural growth. More About Pruning Techniques→

How to Propagate Frost-mat plant?

Propagate Time: Spring, Early spring

Collect seeds from a mature Achyronychia cooperi plant. Ensure that seeds are fully ripened before harvest to increase germination chances. Clean them thoroughly to remove any debris.

Fill a seed tray with potting soil and evenly scatter the seeds on the surface. Gently press them into the soil without burying them too deep. Lightly water the seeds ensuring consistent moisture.

Place the seed tray in a warm and bright location, avoiding direct sunlight which can scorch young plants. Monitor humidity levels, and use a humidity dome if necessary.

How to Repot Frost-mat plant?

Repotting frequency: Every 2-3 years

You should consider repotting Achyronychia cooperi when you notice it becoming root-bound in its pot or exhibiting slow growth. The plant may start to show signs of stress, such as wilting or yellowing leaves, indicating it has outgrown its container.

Select a pot that is 1-2 inches larger in diameter than the current one to encourage root expansion. Opt for a container with good drainage holes to prevent waterlogging, which can lead to root rot. The right pot will also provide stability for the plant's growing structure.

Choose a soil mix that is well-draining, preferably a sandy blend, to mimic the plant’s natural environment. This helps to prevent water retention, ensuring healthy root development and reducing the risk of root diseases.