Labrador lousewort (Pedicularis labradorica)

Also known as: Labrador lousewort

The Labrador lousewort (Pedicularis labradorica) is a resilient perennial herb well-suited for the moist, alpine regions it inhabits. Its survival is bolstered by several key traits:

1. **Robust Perennial Nature**: This allows it to endure year-round harsh conditions and make the most of the short growing season.
2. **Distinctive Floral Structure**: It produces striking yellow flowers with a slipper-like shape and a hooded back, which bloom from mid to late summer and attract pollinators.
3. **Leaf Adaptations**: The plant has lance-shaped leaves with serrated edges, which likely play a role in efficient water use and protection against herbivory.
4. **Growth Habit**: It maintains a low and compact form, reducing exposure to strong alpine winds and conserving heat.
5. **Hemiparasitic Abilities**: By parasitizing the roots of neighboring plants, it gains additional nutrients essential for survival in nutrient-poor soils.

These adaptations collectively enable the Labrador lousewort to thrive in the challenging conditions of its alpine habitat.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Labrador lousewort

Lifespan

Perennial

Plant Type

Herb

Plant Height

10-40 cm

Spread

Not applicable, as it does not form a canopy

Leaf Color

Green

Flower Size

0.5-1 cm

Flower Color

Purple, Pink

Images of Labrador lousewort

Quickly Identify Labrador lousewort

This plant can be identified by its distinctive tubular flowers that range in color from purple to pink, and its finely divided, fern-like leaves. It typically grows in tundra regions and moist, rocky slopes.

Scientific Classification of Labrador lousewort

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Broomrape

Genus

Pedicularis

Species

Labrador lousewort

Planting and Growing of Labrador lousewort

Care Difficulty

Moderate

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 hours

Ideal Temperature

50-65℉

Soil Type

Potting Mix, Peat Mix

Soil pH

5.5-6.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Labrador lousewort?

For Pedicularis labradorica, it's crucial to mimic its natural habitat by ensuring soil moisture without waterlogging. Ideally, water it with about 250 ml of water, ensuring the soil is moist but not soggy, allowing excess water to drain completely.

What are the symptoms of an underwatered Labrador lousewort? ›

What should I do if my Labrador lousewort is not getting enough water? ›

What are the symptoms of an overwatered Labrador lousewort? ›

How to save an overwatered Labrador lousewort? ›

What Are the Sunlight Requirements for Labrador lousewort?

Sunlight Requirements: Partial sun

Duration of light: 4-6 hours

Partial sun exposure for Pedicularis labradorica fosters optimal health, mimicking natural woodland light conditions. This balance prevents stress and supports vibrant growth and blooming cycles.

What is the recommended lighting for Pedicularis labradorica? ›

How can I ensure my Pedicularis labradorica gets ideal sunlight? ›

What are the benefits of ideal lighting for Pedicularis labradorica? ›

What Is the Ideal Temperature Range for Labrador lousewort?

Ideal Temperature: 50 ~ 65℉

The ideal temperature range for Pedicularis labradorica spans from 50°F to 65°F. This range is optimal for the plant's metabolic processes and growth. Within this temperature bracket, the plant can effectively carry out photosynthesis, nutrient uptake, and cellular functions. Maintaining temperatures within this range ensures robust growth and healthy development, mimicking the plant's native environmental conditions.

What Soil is Best for Labrador lousewort?

Soil type: Loam, Acidic soil, Peat soil

Soil PH: 5.5 ~ 6.5

Pedicularis labradorica prefers moist but well-drained soil, which helps to prevent root rot while maintaining necessary hydration levels. This balance allows for optimal root health and nutrient absorption. Soil rich in organic matter or nutrients supports the lush growth of Pedicularis labradorica. Enriched soils provide essential minerals needed for vibrant foliage and successful flowering. Proper soil aeration is crucial for Pedicularis labradorica, assisting in the exchange of gases and enhancing root respiration. This facilitates strong root systems and better plant vitality.

How to Fertilize Labrador lousewort?

Fertilizer type: Balanced

For Pedicularis labradorica, the fertilizer amount should be moderate. Utilize a balanced 10-10-10 liquid fertilizer, diluted to half strength, ensuring the nitrogen, phosphorus, and potassium are evenly distributed. This supports foliage, root development, and flowering without overwhelming the plant.

How to Prune Labrador lousewort?

Pruning Time: Spring, Summer

Begin by inspecting your Pedicularis labradorica for any dead or diseased stems. Use clean, sharp pruning shears to cut these stems back to a healthy part of the plant to promote recovery. Next, remove any stems that are crossing or rubbing against each other to improve airflow and prevent future damage. Trim back overgrown areas to maintain the plant’s natural shape, but take care not to remove more than one-third of the plant's growth at any one time to avoid stress. More About Pruning Techniques→

How to Propagate Labrador lousewort plant?

Propagate Time: Late spring,Early summer

Fill the seed tray with a well-draining potting mix, ensuring it is uniform and free of clumps. Lightly water the mix so it's damp but not waterlogged. This step ensures the medium is ready to support seed germination.

Distribute the seeds evenly across the surface of the potting mix. Lightly cover them with a thin layer of additional potting mix or vermiculite to protect the seeds while allowing light penetration, which some seeds might require for germination.

Place the seed tray in a location with consistent temperatures around 20°C (68°F) and indirect light. Moisture should be maintained by regular misting or using a humidity dome to prevent the soil from drying out, promoting successful seed germination.

More About Propagating Techniques→

How to Repot Labrador lousewort plant?

Repotting frequency: Every 1-2 years

Pedicularis labradorica signals the need for repotting through root-bound symptoms and stunted growth. The optimal time is during the growing seasons of spring and autumn when the plant can easily recover from the stress. Look for roots showing at the bottom of the pot or emerging above the soil surface as these are clear signs it's time for a new home.

Choose a pot that is one size larger, with adequate drainage holes to prevent waterlogging. Terracotta pots can be a good choice due to their porous nature, allowing airflow around the roots. The right pot facilitates healthier root growth and prevents the common issue of root rot, keeping your plant thriving.

Opt for a well-draining, loamy soil mix to provide the necessary nutrients and good drainage. Adding perlite or sand can enhance drainage and aeration. This type of soil ensures the roots get enough air and do not sit in water, which helps in keeping the plant healthy and vigorous.