Pedicularis tuberosa — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Pedicularis tuberosa

Pedicularis Tuberosa

Updated · 391 observations
ON THIS PLANT
A note from PlantMom

Long-beaked yellow lousewort is fairly disease-resistant and typically not prone to illnesses. However, it can be affected by pests and diseases present in its environment. These issues are usually mild. In terms of care, the plant requires moderate maintenance. Regular pruning is needed to preserve a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. Long-beaked yellow lousewort is appropriate for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Pedicularis Tuberosa.

Light

Long-beaked yellow lousewort naturally occurs in habitats like forest understories or rocky areas, where it grows in natural shade. It prefers partial sun but can adjust to full sun or deep shade, demonstrating its versatility and hardiness.

Water

The long-beaked yellow lousewort, native to moist alpine meadows, thrives in high humidity and consistently damp soil. To maintain its health and vitality, it needs regular weekly watering, especially during its active growing season. This helps prevent the soil from becoming too dry or waterlogged, ensuring strong growth.

Temperature

Long-beaked yellow lousewort can tolerate a wide range of temperatures, but its distribution may nonetheless be constrained by various combinations of moisture and heat. It grows best in warm summer climates with sufficient rainfall or watering. Extended periods of cloudy, rainy weather and prolonged high temperatures can increase the likelihood of Long-beaked yellow lousewort dying. In winter, adequate protection from cold can enhance the plant's chances of survival.

Fertilizer

For Long-beaked yellow lousewort, the primary time to fertilize is early spring when the flowers are beginning to form. The appropriate fertilizer promotes stronger blooms and helps Long-beaked yellow lousewort produce attractive flowers. Fertilizing in early spring ensures good flowering during the season and provides energy for dormant growth phases.

Pruning

The long-beaked yellow lousewort is known for its distinctive tubular flowers. To maintain its health, it needs careful pruning from early to late spring. During this time, focus on removing dead stems and thinning out any overcrowded areas to improve air circulation. Always use clean, sharp tools to minimize stress on the plant, promote healthier blooms, and help prevent disease.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Pedicularis
Family
Orobanchaceae
Hardiness Zone
4-8
Mature Height
10 cm to 25 cm
Mature Spread
15 cm to 25 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Color
Yellow
Flower Size
1.52 cm to 2.03 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring
Harvest Time
Late summer, Early fall
Native Area
Austria, Italy, Spain, Switzerland, France
ALSO KNOWN AS

Other names.

en Long-beaked Yellow lousewort en Tuberous lousewort
FREQUENTLY ASKED

Reader questions.

How should I water my Long-beaked yellow lousewort plant?

To properly care for the Long-beaked yellow lousewort, use filtered water at room temperature. Tap water may harm the plant due to potential harmful particles. As the plant comes from warm environments, it is best to avoid cold water to prevent shock. Overhead watering may cause foliage issues, so instead, thoroughly water the soil with filtered room temperature water. This helps to moisturize the roots and support their spread through the soil to gather essential nutrients.

What are the sunlight requirements for Long-beaked yellow lousewort?

Long-beaked yellow lousewort thrives in partial sun, requiring about 3-6 hours of sunlight per day. It can also grow in full sun, which means it needs more than 6 hours of sunlight daily. This plant is native to environments like forest understories or rocky areas, benefiting from the natural shade these settings provide. Despite its preference for partial sun, it can tolerate full shade, showcasing its adaptability as a versatile perennial herbaceous plant. It's important to watch how sunlight moves through your garden, selecting spots that offer the right balance of light and shade to ensure the plant's happiness.

What should I do if I give my Long-beaked yellow lousewort too much or too little water?

Both overwatering and underwatering can harm your Long-beaked yellow lousewort. However, overwatering is more common and can cause wilting, yellowing leaves, and potentially deadly diseases like root rot, mold, and mildew. The Long-beaked yellow lousewort is fairly tolerant to drought, so underwatering is less likely. If underwatering does occur, the leaves may become brittle and brown. It's important to observe signs of overwatering promptly as some diseases may be irreversible if left too long. If you notice early signs of overwatering, reduce watering immediately and check the soil's drainage. If it doesn't drain well, replace it with a loose, well-draining potting mix. Conversely, if you see signs of underwatering, increase watering until the signs disappear.

How can artificial lighting be used for Long-beaked yellow lousewort indoors?

Indoor plants like the Long-beaked yellow lousewort may require artificial lighting when natural sunlight is insufficient, especially during winter or in less sunny spaces. LED lights are a popular choice because they can be customized to provide specific wavelengths needed by your plants. For plants that need full sun, 30-50W/sq ft of artificial light is recommended, while partial sun plants require 20-30W/sq ft, and full shade plants need 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants will need 8-12 hours of light per day.

How often do I need to water my Long-beaked yellow lousewort plant?

If your Long-beaked yellow lousewort is in a pot, the most accurate way to determine if it needs water is to stick your finger in the soil. If the top two to three inches of soil are dry, then it's time to water it. If you're growing the lousewort outdoors in the ground, you can use a similar method to test the soil. When the top few inches of soil are dry, it means it needs water. Usually, during spring and early fall, you'll need to water this plant once a week. However, during extremely hot weather, you might need to water it twice a week or even more. Nevertheless, mature and well-established Long-beaked yellow lousewort plants can handle drought well.

What are the symptoms of light deficiency in Long-beaked yellow lousewort?

When grown indoors with insufficient light, Long-beaked yellow lousewort may exhibit symptoms like small, immature leaves, leggy or sparse growth, faster leaf drop, slower or halted new growth, and lighter-colored or pale new leaves. These symptoms indicate a struggle due to inadequate light. Additionally, excessive sunlight can cause chlorosis, where leaves turn yellow due to chlorophyll breakdown, sunscald, leaf curling, wilting, and leaf scorching, all of which harm the plant's health and photosynthetic capacity.

How much water does my Long-beaked yellow lousewort require?

To properly water your Long-beaked yellow lousewort, don't hold back on the amount of water you give. Water thoroughly when the top layer of soil is dry, ensuring that the water soaks through the entire soil. You should add enough water that it drains out through the bottom drainage holes of the pot. If no excess water drains, it means you have not watered enough, but be careful not to let the water accumulate in the soil, as that can harm the plant. On the other hand, if water doesn't drain through the pot, it may indicate poorly draining soil, which is not good for the plant. If the plant is outside, it will only need about 1 inch of rain per week.

What are the solutions for Long-beaked yellow lousewort's light-related issues?

To address light-related issues in Long-beaked yellow lousewort, whether indoor, outdoor, or in-ground, here are some strategies: For indoor plants, gradually increase exposure to sunlight or use artificial light, ensuring they receive 3-6 hours of direct sunlight or equivalent from grow lights daily. Outdoors, move plants to sunnier spots weekly to avoid shock and adapt to more light. If the environment blocks sunlight, consider pruning or removing obstructions or transplanting smaller plants to sunnier locations during their dormant period, ensuring new growth has the best chance for health.

How do I water my Long-beaked yellow lousewort when it is growing at different stages?

The water needs of the Long-beaked yellow lousewort vary depending on its growth stages. In the first few years of its life or when it is recently transplanted, it requires more water than usual. During this time, the plant focuses on developing new roots to support future growth, requiring slightly more moisture. As the plant matures over a few seasons, it will require less water. Another growth stage that may require increased water is during the bloom period when the plant puts energy into blooming, necessitating more moisture.

How do I water my Long-beaked yellow lousewort during different seasons?

The Long-beaked yellow lousewort has different water needs depending on the season. During the hottest months of the year, it will need the most water. In the summer, you might have to water the plant more than once a week, depending on how quickly the soil dries out. On the other hand, during winter, the plant becomes dormant and requires much less water. In fact, you may not need to water it at all during this time. If you choose to water it in winter, do so no more than once a month to avoid the plant getting sick.

What's the difference between watering my plant inside and outside?

The Long-beaked yellow lousewort is commonly grown indoors by gardeners who live in non-temperate and non-tropical regions. If you grow this plant in a container, be aware that the soil can dry out faster than ground soil. Additionally, if there are drying elements like air conditioning units, your Long-beaked yellow lousewort may need more frequent watering compared to if it were planted outside. In outdoor conditions, you may not need to water it much, especially if it receives regular rainfall. However, if you grow it indoors, you will need to water it more often as you cannot rely on rainwater to moisten the soil.

PLATES
Pedicularis tuberosa leaf
PLATE 01 · leaf
Pedicularis tuberosa leaf
PLATE 02 · leaf
Pedicularis tuberosa flower
PLATE 03 · flower
Pedicularis tuberosa flower
PLATE 04 · flower
Pedicularis tuberosa fruit
PLATE 05 · fruit
Pedicularis tuberosa fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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