Cruciata laevipes is a species of flowering plant in the family Rubiaceae. It is commonly known as crosswort, smooth bedstraw or Luc na croise in Gaelic. The Latin epithet laevipes refers to the smooth stalk. The common name crosswort is a 16th century translation of the botanists' Latin cruciata planta, meaning "cross plant", i.e., with leaves in a cross-like arrangement.
Smooth bedstraw is fairly resistant to disease and generally does not suffer from many illnesses. Still, it can be affected by pests and diseases found nearby. These problems are typically mild. Regarding care, the plant is moderately demanding. It should be pruned on a regular basis to preserve its appearance and encourage healthy growth. Applying fertilizer can also support better flowering. Smooth bedstraw is a good choice for anyone with outdoor areas like a garden or patio and does not demand extensive gardening experience. It can need extra attention if cultivated indoors.
How to keep Cruciata Laevipes.
Light
For vigorous growth, smooth bedstraw does best in fully exposed sites, enjoying steady, unobstructed sunlight. Native to environments with abundant sun, this plant can also tolerate broken or dappled light. Still, too little or too much exposure may harm its health.
Water
Smooth bedstraw, native to moist woodlands, flourishes best when it receives consistent moisture and is planted in evenly moist soil. To support its growth, especially outdoors in areas that mimic dappled sunlight, it's important to water it weekly. Ensuring sufficient hydration during the growing season boosts the plant's health and resilience.
Temperature
Smooth bedstraw comes from environments where temperatures range from 50 to 77 °F (10 to 25 ℃). It favors mild conditions and may require adjustment during periods of extreme heat or cold.
Fertilizer
Usually a single fertilizer application in spring is enough for Smooth bedstraw, although several feedings can maximize growth. Fertilize every month to a month and a half. Fertilization improves the leaves’ appearance and function, helping maintain uniform color and a healthy texture. It also promotes root development and nutrient uptake, supporting long-term plant health.
Pruning
Smooth bedstraw is a low-growing perennial herb characterized by its small, whorled leaves and yellow flowers. To keep the plant healthy and well-maintained, prune it from early to late spring. This process removes dead stems and encourages bushy growth, which improves air circulation, reduces the risk of disease, and maintains a tidy appearance, all while preserving new shoots.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Cruciata
- Family
- Rubiaceae
- Hardiness Zone
- 6
- Mature Height
- 15 cm to 61 cm
- Mature Spread
- 49 cm
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Color
- Yellow
- Flower Size
- 0.20 cm
- Bloom Time
- Spring
- Planting Time
- Spring, Summer
- Harvest Time
- Late spring, Early summer, Mid summer
Other names.
Reader questions.
How should I water my Smooth bedstraw plant?
To optimize the health of the Smooth bedstraw, it is recommended to use filtered water at room temperature for watering. Tap water may contain harmful particles. Since the Smooth bedstraw originates from a warm environment, it is important to avoid using cold water as it can be a shock to the plant. It is also advisable to refrain from overhead watering to prevent foliage complications. Instead, thoroughly soak the soil with filtered room temperature water. This helps keep the roots moist and enables them to collect necessary nutrients while spreading through the soil.
Why should I put fertilizer on my Smooth bedstraw plant?
The main structure of the Smooth bedstraw is comprised of its leaves. Fertilization is a highly impactful way to ensure that these leaves look great and function properly. Proper fertilization will help maintain consistent color and a healthy texture in the leaves of your Smooth bedstraw. Additionally, fertilization works below the soil's surface to promote the growth of new roots and maintain existing roots in the root system. This not only keeps your plant healthy in the present, but also improves its ability to absorb nutrients from the soil in the future.
What are the sunlight requirements for Smooth Bedstraw?
Smooth Bedstraw requires full sun, defined as more than 6 hours of sunlight a day, to thrive. It can also grow under partial sun conditions, which means about 3-6 hours of sunlight per day. The plant is quite flexible in terms of light exposure, capable of flourishing in freely exposed environments and tolerating varying degrees of sunlight. However, the right balance of light and shade is crucial for its health, highlighting the importance of observing how sunlight moves through your garden to find the perfect spot.
What is the optimal temperature range for smooth bedstraw?
Smooth bedstraw, botanically known as Cruciata laevipes, thrives in environments where the temperature ranges between 50 to 77°F (10 to 25°C). It flourishes under mild conditions but may require adjustments during periods of extreme heat or cold. Despite its high tolerance for cold, it's crucial to ensure the soil remains moist going into the first freeze of autumn to prevent drought and water scarcity during the winter and early spring.
What do I do if I give too much or too little water to my Smooth bedstraw plant?
Both overwatering and underwatering can harm the health of your Smooth bedstraw, but overwatering is more common. Too much water can cause wilting and yellowing of the stems and leaves. It can also lead to diseases like root rot, mold, and mildew, which can be fatal to the plant. The Smooth bedstraw is more resistant to underwatering, but it can still happen. When it does, the leaves may become brittle and brown. It's important to recognize the signs of overwatering early to prevent irreversible damage. If you notice these signs, reduce your watering schedule and check the quality of the soil. If the soil doesn't drain well, replace it with a loose, well-draining potting mix. If you see signs of underwatering, simply water more regularly until the signs improve.
When should I fertilize my Smooth bedstraw?
When you have Smooth bedstraw growing outdoors, it will start producing new growth in early spring. This is a signal that it's time to begin fertilizing for the year. Usually, a single application of fertilizer in spring is enough for the plant to thrive. However, if you want to maximize its growth, you can fertilize it multiple times throughout spring and early summer. In this case, you can feed the Smooth bedstraw every month to a month and a half.
How does artificial lighting support Smooth Bedstraw growth indoors?
When natural sunlight is insufficient, especially during winter or in areas that do not receive enough sunlight, artificial lighting becomes essential for the growth of Smooth Bedstraw indoors. LED lights are recommended, as they can be tailored to provide specific wavelengths needed for plant growth. The intensity of artificial light required varies: full sun plants need 30-50W per square foot, partial sun plants require 20-30W per square foot, and full shade plants need 10-20W per square foot. The light source should be placed 12-36 inches above the plant, mimicking natural sunlight conditions. Furthermore, it is crucial to mimic the natural daylight hours appropriate for the plant species, usually between 8-12 hours of light per day.
How does smooth bedstraw handle cold temperatures?
Smooth bedstraw is extremely tolerant of cold temperatures and does not typically require additional frost protection measures during winter. However, it's recommended to water the plant generously before the first freeze in autumn to keep the soil moist. This preparation helps the plant to better withstand winter and early spring conditions. Although it can survive temperatures as low as -25°C, prolonged exposure to temperatures below this threshold may affect its ability to sprout in the spring. If sprouting is inhibited, removing the parts that have failed to sprout in spring is suggested.
How often do I need to water my Smooth bedstraw plant?
If your Smooth bedstraw is in a pot, the best way to check if it needs water is by putting your finger in the soil. If the top two to three inches are dry, it needs watering. The same method can be used for outdoor plants in the ground. If the top few inches of soil are dry, it's time to water. Typically, watering once a week during spring and early fall is sufficient. In extremely hot weather, increasing watering to twice or more a week may be necessary. It's worth noting that mature and well-established Smooth bedstraw plants can tolerate drought well.
When is the best time to not fertilize my Smooth bedstraw?
During the late fall and winter, your Smooth bedstraw goes into a dormant phase and stops growing. It's best not to fertilize your Smooth bedstraw during this time. In the spring and summer, if you choose to fertilize, gradually decrease the amount as summer approaches because the growth rate of your Smooth bedstraw will slow down. It's never a good idea to fertilize your Smooth bedstraw when the weather is abnormally hot or the soil is very dry. Fertilizing during these conditions can stress your Smooth bedstraw and cause it to die earlier than expected.
What symptoms indicate Smooth Bedstraw is getting insufficient light?
Symptoms of light deficiency in Smooth Bedstraw include smaller-sized new leaves compared to older ones, leggy or sparse growth, faster leaf drop, slower or halted new growth, and irregularly colored or paler new leaves. These signs indicate the plant's struggle in low-light conditions, leading it into a survival mode where growth is minimized to conserve resources.
What should be done if smooth bedstraw is exposed to temperatures above its tolerance level?
Smooth bedstraw is sensitive to high temperatures and may stop growing and become susceptible to rot when exposed to temperatures above 25°C. To mitigate damage from high temperatures, sunburned and dried-up parts of the plant should be trimmed away. Relocating the plant to a shaded area or using a shade cloth to protect it from direct midday and afternoon sun can be beneficial. Additionally, watering the plant in the morning and evening helps to maintain soil moisture and support the plant's health during hotter periods.