Galium boreale — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Galium boreale

Galium Boreale

Updated · 795 observations
ON THIS PLANT

Galium boreale or northern bedstraw is a perennial plant species of the Rubiaceae family. It is widespread over the temperate and subarctic regions of Europe, Asia and North America including most of Canada and the northern United States.

A note from PlantMom

Northern bedstraw is quite resistant to disease and generally not prone to illnesses. Still, it can be affected by pests and diseases present in its environment; such issues are typically mild. Regarding care, it is a medium-maintenance plant. Regular pruning is needed to preserve a neat appearance and encourage healthy growth. Applying fertilizer can also help enhance flowering. Northern bedstraw is well suited to anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Galium Boreale.

Light

Northern bedstraw prefers sites with moderate sunlight. It can tolerate full sun, but too much light may scorch the leaves. Its native habitat, which is largely shaped by sunlight, reflects this light preference. A lack of sufficient sun can result in weaker growth and reduced vigor.

Water

Northern bedstraw thrives in its native habitat with consistent rainfall and prefers balanced moisture levels, though it can tolerate drought conditions. To mimic its natural environment, weekly watering is recommended. As an herbaceous perennial, northern bedstraw is usually grown outdoors, where it can benefit from natural rain cycles.

Temperature

Northern bedstraw is a hardy plant that does well in temperate climates. It performs best in a temperature range of 32 to 95 °F (0 to 35 °C). Seasonal temperature adjustments may be necessary to ensure optimal growth.

Fertilizer

The best time to fertilize a Northern bedstraw is in early spring, when it is coming out of dormancy and starting active growth. Fertilization supplies essential nutrients for healthy development. Although Northern bedstraw has fairly low fertilizer requirements, an annual application can improve its survival and encourage better, longer-lasting flowers.

Pruning

Northern bedstraw is characterized by its whorled leaves and small white flowers. Pruning from early to late spring helps promote fuller growth and healthier blooms by removing leggy stems and controlling its spread. This practice keeps your garden looking tidy. For specific pruning techniques, consult horticultural sources.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Galium
Family
Rubiaceae
Hardiness Zone
2-10
Mature Height
20 cm to 40 cm
Mature Spread
30 cm to 46 cm
Leaf Color
Green, Dark Green
Leaf Type
Semi-evergreen
Flower Color
White, Yellow, Green
Flower Size
2.54 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Summer
Harvest Time
Mid summer
Native Area
Turkey, Sweden, India, Austria, Slovakia, Pakistan, Slovenia, Croatia, Belarus, Russia, Germany, Iceland, Estonia, Koppen, Romania, Latvia, Belgium, Netherlands, France, Czech Republic, Bulgaria, Armenia, Poland, Ukraine, Serbia, China, Lithuania, Norway, Afghanistan, Italy, Kazakhstan, Spain, Switzerland, Denmark, Japan, Mongolia, Finland, Iran, Ireland, United Kingdom, Hungary, Azerbaijan
ALSO KNOWN AS

Other names.

en Northern bedstraw en Northern bedstrw en Fragrant bedstraw en Boreal Bedstraw en Crosswort en Cross-leaved bedstraw
FREQUENTLY ASKED

Reader questions.

How should I water my Northern bedstraw for the best results?

To properly water the Northern bedstraw, it's best to use filtered water at room temperature. Tap water may contain harmful particles, so filtered water is a safer choice. Since the plant comes from a warm environment, it's important to avoid using cold water as it can be a shock to its system. It's also recommended to avoid watering from above to prevent issues with the foliage. Instead, gently soak the soil with your filtered room temperature water until it is completely saturated. This method helps moisten the roots and allows them to continue spreading through the soil to collect the necessary nutrients.

Why should I put fertilizer on my Northern bedstraw?

The main structure of the Northern bedstraw is made up of its leaves. Fertilization is important for ensuring that these leaves look great and perform their function effectively. Proper fertilization promotes consistent color and a healthy texture in the leaves. Fertilization also has benefits for the plant below the soil's surface. It helps the Northern bedstraw develop new roots and maintain existing roots, which ultimately enhances the plant's ability to absorb nutrients from the soil in the future. In summary, fertilization not only maintains the current health of the plant, but also improves its long-term nutrient absorption capabilities.

What are the sunlight requirements for Northern Bedstraw?

Northern Bedstraw thrives in conditions that offer moderate to full sun exposure. It requires about 3-6 hours of sunlight daily (partial sun) but can tolerate above 6 hours of sunlight (full sun). However, excessive light exposure can cause leaf scorching. It's important to observe how sunlight moves through your garden and choose spots that provide a good balance of light and shade, as the plant's native environment is largely influenced by the sun. Inadequate sunlight might lead to weaker growth and diminished health.

What is Northern bedstraw and where does it thrive?

Northern bedstraw, botanically known as Galium boreale, is a hearty plant that thrives in temperate climates. It grows best within a temperature range of 32 to 95 °F (0 to 35 °C). This plant is well-adapted to seasonal temperature changes, requiring some adjustments in care to ensure optimal growth throughout the year. It has strong cold resistance and typically does not need special frost protection measures, even in cold winters. However, in extremely cold conditions where temperatures are expected to drop below -40°C, protective measures like covering the plant with soil or straw are recommended. To prepare for winter, watering the plant abundantly before the first freeze to keep the soil moist helps prevent drought and water scarcity for the plant during the colder months.

What should I do if I give my Northern bedstraw too much or too little water?

Both overwatering and underwatering can harm your Northern bedstraw, but overwatering is more common and problematic. Overwatering can cause wilting and yellowing of stems and leaves, and it can lead to diseases like root rot, mold, and mildew that can be fatal for the plant. Underwatering is less common due to the plant's tolerance for drought, but it can still happen and result in brittle, brown leaves. It is important to recognize the signs of overwatering early on, as some conditions like root rot may not be fixable if left unattended for too long. If you notice signs of overwatering, reduce your watering schedule immediately and check the soil drainage. If the soil drains poorly, replace it with a loose, well-draining potting mix. Conversely, if you notice signs of underwatering, simply increase your watering frequency until the signs improve.

When should I fertilize my Northern bedstraw for the best results?

If you grow your Northern bedstraw outdoors each year, it will send new growth shooting out in early spring. This is a sign that it's time to start fertilizing for the year. A single application of fertilizer in the spring can be enough for the plant to thrive. But if you want to maximize its growth, you can fertilize multiple times throughout the spring and early summer. In that case, you can feed it about once every month to a month and a half.

Can Northern Bedstraw be grown with artificial lighting?

Yes, Northern Bedstraw can be grown indoors with artificial lighting, especially when natural sunlight is insufficient. To ensure optimal growth, it's important to select the right type of artificial light, such as LED lights, which can be tailored to provide specific wavelengths needed by the plant. For full sun plants, 30-50W/sq ft of artificial light is needed; for partial sun plants, 20-30W/sq ft; and for full shade plants, 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight and kept on for 8-12 hours per day to mimic natural daylight hours.

How does Northern bedstraw respond to low temperatures?

Northern bedstraw is known for its cold tolerance, typically thriving when temperatures are above 0°C. It is capable of withstanding winter conditions as long as temperatures remain above -35°C. In extremely cold conditions, specifically when temperatures fall below -40°C, Northern bedstraw may not show immediate damage during the winter months, but these conditions can lead to a decrease in sprouting, or in some cases, failure to sprout at all during the spring. To manage these potential issues, it is advisable to remove any parts of the plant that have failed to sprout in the spring.

How frequently do I need to water my Northern bedstraw?

If your Northern bedstraw is in a pot, the most precise way to determine if it needs water is by sticking your finger into the soil. If the top two to three inches of soil feel dry, it's time to water it. If you're growing it outdoors in the ground, you can use the same method to test the soil. When the top few inches of soil have dried out, it's time to water the plant. Typically, during spring and early fall, you'll need to water the plant once a week using this method. In extremely hot weather, you may need to water it two or more times per week. However, mature and well-established Northern bedstraw plants are more resilient and can withstand drought.

When is it best not to fertilize my Northern bedstraw?

During late fall and winter, your Northern bedstraw goes into a dormant phase, meaning it stops growing. So, it's best to avoid fertilizing it during this time. If you decide to fertilize your Northern bedstraw in spring and summer, start reducing the frequency as summer approaches because the growth rate slows down. In general, it's not recommended to fertilize your Northern bedstraw when it's very hot or when the soil is extremely dry. Fertilizing in those conditions can stress the plant and cause it to die earlier.

What are the symptoms of insufficient or excessive sunlight in Northern Bedstraw?

Northern Bedstraw exhibits several symptoms when subjected to insufficient or excessive sunlight. Insufficient light may lead to smaller new leaves, leggy or sparse growth, accelerated leaf drop, slower or halted growth, lighter-colored or irregularly patterned new leaves indicating a lack of chlorophyll. Excessive sunlight can cause chlorosis (yellowing leaves), sunscald (pale or necrotic spots on leaves), leaf curling, wilting, and leaf scorching. These symptoms highlight the plant's struggle to adapt to light conditions outside its tolerance range.

How does Northern bedstraw respond to high temperatures?

During summer, it's important to ensure that the Northern bedstraw is kept in conditions below 35°C. Exposure to temperatures exceeding 41°C can cause visible stress to the plant, including lighter leaf color, leaf curling, susceptibility to sunburn, and in severe cases, wilting and drying out of the entire plant. To alleviate these symptoms, sunburned and dried parts of the plant should be trimmed away. Additionally, the plant should be relocated to a spot that is shaded during the harshest midday and afternoon sun, or a shade cloth can be used to provide necessary shade. Ensuring that the plant is watered in the morning and evening will help keep the soil moist and further protect the plant from high temperature stress.

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

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