Teucrium pyrenaicum — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Teucrium pyrenaicum

Teucrium Pyrenaicum

Updated · 493 observations
ON THIS PLANT

Teucrium pyrenaicum, the Pyrenean germander, is a species of germander native to the Pyrenees. It has gained the Royal Horticultural Society's Award of Garden Merit.

A note from PlantMom

Pyrenean germander is fairly resistant to disease and generally not vulnerable to illnesses. However, it can be affected by pests and diseases present in its environment. Such infections are typically not serious. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to maintain a tidy appearance and healthy growth. Fertilizing can also help encourage flowering. Pyrenean germander is suitable for anyone with an outdoor area, such as a garden or patio, and does not require extensive experience in plant care. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Teucrium Pyrenaicum.

Light

Pyrenean germander does best when it receives a generous amount of light throughout the day. Insufficient exposure can impede the plant's growth and cause poor health. Its natural habitat is a sun-drenched environment. Both too much and too little light can be harmful to this plant.

Water

Pyrenean germander flourishes in mountainous areas and prefers moderate hydration. It needs regular weekly watering to stay healthy, but it can tolerate short periods of dryness. When grown outdoors, natural rainfall during its active growing season boosts its growth and overall health.

Fertilizer

The primary time to fertilize Pyrenean germander is in early spring, when flowers are forming. Using the appropriate fertilizer encourages better blooms and helps Pyrenean germander produce attractive flowers. Fertilizing in early spring ensures strong flowering during the season and provides energy for dormant growth phases.

Pruning

Pyrenean germander is a resilient, aromatic shrub known for its appealing foliage and small clusters of flowers. To encourage fuller and healthier growth, prune the stems by one-third in early spring and remove spent blooms throughout the growing season. Use clean, sharp shears to prevent the spread of disease.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Teucrium
Family
Lamiaceae
Hardiness Zone
5-9
Mature Height
8 cm to 30 cm
Mature Spread
30 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
White, Lavender
Flower Size
2.54 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall
ALSO KNOWN AS

Other names.

en Pyrenean germander
FREQUENTLY ASKED

Reader questions.

How should I water my Pyrenean germander plant?

For optimal care of the Pyrenean germander, it is best to water it with filtered water at room temperature. Tap water may contain harmful particles that can affect the plant's health. Additionally, make sure the water is at room temperature or slightly warmer as the Pyrenean germander is typically found in warm environments and cold water may be shocking to its system. Avoid overhead watering to prevent issues with the foliage. Instead, water the plant by thoroughly soaking the soil with your filtered room temperature water. This helps to moisten the roots and facilitate their spread through the soil while collecting essential nutrients.

What are the sunlight requirements for Pyrenean germander?

Pyrenean germander requires full sun, meaning it needs above 6 hours of sunlight daily to thrive. It's important to observe how sunlight moves through your garden to find spots that provide a perfect balance of light and shade. This ensures the plants get adequate sunlight without the adverse effects of too much exposure. In its natural habitat, Pyrenean germander is accustomed to sun-drenched environments, and not getting enough light can hinder its growth and health.

What should I do if I give my Pyrenean germander too much or too little water?

Both overwatering and underwatering can harm the health of your Pyrenean germander plant, but overwatering is a more common problem. When this plant gets too much water, its stems and leaves may wilt and turn yellow. Overwatering for a long time can also cause diseases like root rot, mold, and mildew, which can kill the plant. Underwatering is less common because the Pyrenean germander is somewhat drought-tolerant, but it can still happen. In this case, the leaves will become brittle and brown. It's important to recognize the signs of overwatering early on. Some diseases caused by overwatering, like root rot, may not be fixable if you wait too long. If you see early signs of overwatering, reduce your watering schedule immediately. You should also check the quality of the soil. If it drains poorly, replace it with a loose, well-draining potting mix. If you notice signs of underwatering, simply water more regularly until the signs go away.

How can artificial lighting support Pyrenean germander's growth indoors?

When natural sunlight is insufficient, especially in winter or less sunny spaces, artificial lights provide a vital solution for supporting Pyrenean germander's growth indoors. For optimal growth, it's recommended to choose the right type of artificial light, like LED lights, which can be customized to cater to the plant's specific light wavelength needs. Full sun plants require 30-50W/sq ft of artificial light, partial sun plants need 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, mimicking natural sunlight, for 8-12 hours per day.

How often do I need to water my Pyrenean germander?

If your Pyrenean germander is in a pot, the best way to determine if it needs water is by checking the soil. Plunge your finger into the soil and if the top two to three inches are dry, it's time to water. If your Pyrenean germander is planted outdoors in the ground, you can use a similar method to test the soil. Once again, if the top few inches of soil have dried out, it's time to water. Typically, during spring and early fall, watering once a week is sufficient. However, during extremely hot weather, you may need to water twice a week or more. It's worth mentioning that mature and well-established Pyrenean germander plants are highly resilient to drought.

What are the symptoms of inadequate lighting for Pyrenean germander?

Symptoms of light deficiency in Pyrenean germander include smaller new leaves, leggy or sparse growth, early leaf drop, slower or no new growth, and lighter-colored or pale new leaves. Additionally, chlorosis, sunscald, leaf curling, wilting, and leaf scorching can occur due to both insufficient and excessive sunlight. These symptoms highlight the plant's struggle with adapting to the lighting conditions, affecting its growth and overall health.

How much water does my Pyrenean germander require?

When watering your Pyrenean germander, don't be afraid to give it a generous amount of water. Wait until the top two to three inches of soil are dry, then water thoroughly until the soil is completely soaked. Make sure the water drains out of the pot through the drainage holes. If you don't see any excess water coming out, you may not have given enough water. However, be careful not to let water accumulate in the soil, as it can harm the plant. On the other hand, if water doesn't drain properly, it may mean the soil doesn't drain well, which is bad for the plant. If the plant is outside, it generally needs about 1 inch of rain per week.

What solutions can mitigate light-related issues for Pyrenean germander?

To mitigate light-related issues, gradually acclimatize Pyrenean germander to achieve at least 6 hours of direct sunlight daily by moving it to sunnier spots each week. For indoor plants not easily moved or if direct sunlight exposure is challenging, consider using artificial lighting, keeping lamps on for at least 8 hours daily or investing in professional grow lights. For outdoor plants, avoid sudden changes in light intensity to prevent sunburn. Minimizing obstructions like pruning blocking trees or transplanting smaller plants during their dormant period to sunnier locations can also help. Note that parts of the plant affected by insufficient light may not recover, but new growth should be healthy with improved light exposure.

How do I water my Pyrenean germander as it grows?

The water requirements of the Pyrenean germander vary depending on its growth stages. In the early years and after transplanting, it needs more water due to the energy spent on developing new roots for future growth. These roots perform better with slightly higher moisture levels. However, as the plant matures, it will require less water. Another growth stage that necessitates increased watering is during the bloom period when flower development requires a significant amount of moisture.

How should I give water to my Pyrenean germander throughout the different seasons?

The Pyrenean germander has its highest water needs in the hottest months of the year, typically during the height of summer. Depending on how quickly the soil dries out, you may need to water the plant more than once a week. In contrast, during the winter months, the plant enters a dormant phase and requires significantly less water. In fact, watering may not be necessary at all during this time. If you choose to water during the winter, it is best to do so only once a month. Overwatering during this period increases the risk of disease for the Pyrenean germander.

What's the difference between watering my Pyrenean germander inside my house and outside of my house?

For gardeners who don't live in temperate or tropical regions, it is common to grow the Pyrenean germander indoors. However, it's important to note that soil in a container can dry out faster than ground soil. Additionally, the presence of drying elements like air conditioning units can increase the frequency of watering needed for your Pyrenean germander compared to if it were planted outside. If your Pyrenean germander is planted outside and receives regular rainfall, you may not need to water it much at all. On the other hand, if you grow this plant indoors, you'll need to water it more frequently since relying on rainfall to moisten the soil is not an option.

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

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