Norwegian arctic cudweed (Omalotheca norvegica)

Also known as: Norwegian cudweed

Gnaphalium norvegicum, which is often compared to Gnaphalium sylvaticum (heath cudweed), stands out by its height of 8 to 30 cm and its leaves, which have three veins and are uniformly woolly on both sides. Additionally, the leaves are all roughly the same length.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Norwegian arctic cudweed

Lifespan

Perennial

Plant Type

Herb

Plant Height

15 cm to 30 cm

Spread

N/A

Leaf Color

Grayish-green

Flower Size

2-5 mm

Flower Color

Yellowish or brownish

Images of Norwegian arctic cudweed

Quickly Identify Norwegian arctic cudweed

Omalotheca norvegica can be identified by its woolly, grayish-green leaves, and small, clustered flower heads. The plant has a distinctive hairy texture and blooms from July to September.

Scientific Classification of Norwegian arctic cudweed

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Arctic Weed

Species

Norwegian arctic cudweed

Planting and Growing of Norwegian arctic cudweed

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

50-65℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Leaves, Branches

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Norwegian arctic cudweed?

For Omalotheca norvegica, the watering amount should be about 150 milliliters each time. Ensure that the soil is adequately moist without being waterlogged. The top layer of the soil should be kept slightly dry before the next watering to prevent root rot and promote healthy growth.

What are the symptoms of an underwatered Norwegian arctic cudweed? ›

What should I do if my Norwegian arctic cudweed is not getting enough water? ›

What are the symptoms of an overwatered Norwegian arctic cudweed? ›

How to save an overwatered Norwegian arctic cudweed? ›

What Are the Sunlight Requirements for Norwegian arctic cudweed?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 4 to 8 hours

Omalotheca norvegica thrives best in full to partial sun conditions. Adequate sunlight supports vibrant leaf coloration, flowering, and overall vitality. It ensures optimal metabolic processes, increasing resilience against environmental stressors and pathogens.

What is the best lighting condition for Omalotheca norvegica? ›

What are the benefits of ideal lighting for this plant? ›

How can I ensure my plant gets the light it needs? ›

What Is the Ideal Temperature Range for Norwegian arctic cudweed?

Ideal Temperature: 50 ~ 65℉

The optimal temperature for Omalotheca norvegica is between 50°F to 65°F. This range allows for healthy growth and development, ensuring the plant retains its vigor and resilience. Maintaining temperatures within this range is essential for optimal photosynthesis and metabolic functions.

What Soil is Best for Norwegian arctic cudweed?

Soil type: Sandy loam, Loam

Soil PH: 6.5 ~ 7.5

Omalotheca norvegica thrives in well-drained soils that prevent waterlogging. Adequate drainage allows roots to access oxygen and nutrients, promoting healthy growth and preventing root diseases. This plant benefits from a nutrient-rich environment, which can be achieved by incorporating organic matter like compost. It ensures the plant receives essential nutrients for robust growth and flowering. The plant prefers soil that retains moderate moisture without being too wet. This balance helps maintain consistent moisture levels, crucial for its stability and resilience during dry spells.

How to Fertilize Norwegian arctic cudweed?

Fertilizer type: Balanced

For Omalotheca norvegica, it is crucial to provide a balanced amount of fertilizer. Use a diluted liquid fertilizer at half strength when applying monthly. For solid fertilizer, apply according to package instructions but reduce the amount to half per application to prevent any nutrient overload.

How to Prune Norwegian arctic cudweed?

Pruning Time: Spring, Summer

Begin by inspecting the plant and identifying any dead, damaged, or diseased stems. Use sharp, clean pruning shears to cut these back to the base or to a healthy bud. For healthy growth, focus on cutting back leggy stems to encourage a bushier shape. Remove any spent flowers to encourage further blooming. Trim back branches that disrupt the plant's overall symmetry, aiming to achieve an even, rounded appearance. This not only improves the aesthetic but also increases light penetration and air circulation, which are vital for keeping the plant healthy. More About Pruning Techniques→

How to Propagate Norwegian arctic cudweed plant?

Propagate Time: Late spring, Early summer

Start by filling the seed tray with the potting mix. Ensure the mix is evenly distributed and lightly moistened before sowing the seeds. Avoid compacting the soil as it should remain loose to facilitate root growth.

Scatter the seeds evenly over the surface of the potting mix. Gently press them into the soil without covering them deeply. This ensures the seeds receive enough light, which aids in their germination process.

After sowing the seeds, thoroughly water the seed tray to settle the seeds into the soil. Place the tray in a location with bright, indirect sunlight. Maintain consistent moisture by misting the soil surface when it begins to dry.

More About Propagating Techniques→

How to Repot Norwegian arctic cudweed plant?

Repotting frequency: Every 1-2 years

Notice when your Omalotheca norvegica needs a new pot when its roots start peeking out from the drainage holes or circling the top of the soil. Another sign is stunted growth or wilting despite regular care. Early spring is ideal, as the plant's growth phase begins, ensuring it gets accustomed to the new environment swiftly.

Select a pot that is only slightly larger than the current one, around 1-2 inches in diameter. This ensures the roots have enough space to grow without surplus soil that can retain moisture and lead to root rot. Using a pot with drainage holes is crucial to prevent waterlogging, supporting healthy plant development.

A light, well-draining soil mix is essential for Omalotheca norvegica, as it mimics its natural rocky, well-aerated habitats. Opting for a mix with sand or perlite will improve drainage and prevent root rot, helping the plant thrive by providing the necessary nutrients without water retention.