Desmodium canadense
Showy tick trefoil · Canadian tick trefoil · Showy ticktrefoil · Canada tick-clover · Canada tick-trefoil
Description
Source: leafsnapDesmodium canadense is a species of flowering plant in the legume family, Fabaceae. It is native to eastern North America. Its common names include showy tick-trefoil, Canadian tick-trefoil, and Canada tickclover.The plant is a perennial herb and grows in woods, prairies, and disturbed habitat, such as roadsides. It is cultivated as an ornamental plant. It is a larval host plant for butterflies such as the eastern tailed-blue, silver-spotted skipper, and hoary edge. The plant attracts butterflies and hummingbirds. Flowers are pea-shaped, pink to purple in color, and bloom between July to September.
🌳 Although showy Tick-Trefoil may lack many traditional uses, it proves valuable for ecological restoration and as an attractive element in garden designs. Its bright flowers draw beneficial pollinators, and its vigorous growth makes it a good choice for stabilizing soils in restoration projects, offering both aesthetic and practical benefits.
Care Guide
💧 Water
The Showy Tick-Trefoil, native to the prairies of North America, thrives in environments with moderate humidity and consistent moisture, as long as it is not waterlogged. To support its growth, it should be watered weekly. This plant flourishes outdoors, where it benefits from natural rainfall, making it ideal for regions with regular precipitation cycles.
How should I water my Showy Tick-Trefoil?
To properly care for the Showy Tick-Trefoil plant, it is important to water it with filtered water at room temperature. Tap water may contain harmful particles that can affect the plant's health. The water should also be at room temperature or slightly warmer because this plant is accustomed to a warm environment and cold water can be detrimental. Avoid watering the plant from above as it can lead to issues with the foliage. Instead, focus on thoroughly soaking the soil with your filtered, room temperature water. This will help to moisturize the plant's roots and aid in the spread and absorption of necessary nutrients.
What do I do if I give my Showy Tick-Trefoil too much or too little water?
Both overwatering and underwatering can harm the health of your Showy Tick-Trefoil plant, but overwatering is more common and has more severe consequences. When the 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 likely for this plant since it can tolerate drought well. However, it can still happen, and when it does, the leaves become brittle and brown. It's important to spot the signs of overwatering early when caring for your Showy Tick-Trefoil. Some diseases caused by overwatering, such as root rot, might become irreversible if not addressed promptly. If you notice early signs of overwatering, reduce your watering schedule immediately. You should also check the soil quality; if it drains poorly, replace it with a loose, well-draining potting mix. On the other hand, if you see signs of underwatering, simply water the plant more regularly until the symptoms improve.
How often do I need to water my Showy Tick-Trefoil?
If your Showy Tick-Trefoil plant is in a pot, the easiest way to check if it needs water is to stick your finger into the soil. If the top two to three inches of soil feel dry, it's time to water it. If you have the plant planted outdoors in the ground, you can use the same method to test the soil. When the top few inches of soil are dry, it's time to water. Typically, during the spring and early fall, watering about once a week is sufficient. However, during extremely hot weather, you may need to water twice or more per week. It's worth noting that mature, well-established Showy Tick-Trefoil plants can handle drought well.
How much water does my Showy Tick-Trefoil plant require?
When watering your Showy Tick-Trefoil, it's important not to be shy about the amount of water you give. Make sure the first two to three inches of soil are dry before watering, and then give the plant a thorough and long watering. The goal is to soak the soil entirely, so add enough water to make excess water flow out of the pot's drainage holes. If you don't see any excess water draining, you likely haven't given enough water. However, be careful not to let water accumulate inside the soil, as this can be harmful to the plant. On the other hand, if water doesn't drain through the pot, it could mean the soil doesn't drain well, which is bad for the plant's health and should be avoided. If the plant is outside, around 1 inch of rain per week should be sufficient.
How do I water my Showy Tick-Trefoil as it grows?
The water requirements of the Showy Tick-Trefoil can vary throughout its different growth stages. In the initial years of its life and when it is newly transplanted, it is important to provide more water than usual. During these stages, the plant expends a lot of energy to develop new roots that will support future growth. These young roots need slightly more moisture to perform optimally. As the plant matures, it will require less water. Another growth stage that may necessitate additional watering is during the bloom period when the plant is producing flowers. Flower development requires a significant amount of moisture, so it may be necessary to increase watering during this time.
☀️ Light Full sun
Showy Tick-Trefoil does best in locations with ample sunlight but can also tolerate areas with less exposure. A plentiful amount of sun promotes vigorous growth, and it can get by in places with moderate sun. However, too much or too little light can adversely affect its vigor.
What are the sunlight requirements for Showy Tick-Trefoil?
Showy Tick-Trefoil requires full sun, meaning it needs above 6 hours of sunlight daily to thrive ideally. However, it can also adapt to partial sun conditions, which entail about 3-6 hours of sunlight. Observing how sunlight moves through your garden and choosing spots that offer a good balance of light and shade is crucial for the plant's health and happiness.
How can Showy Tick-Trefoil adapt to different lighting conditions?
Showy Tick-Trefoil thrives best in generous sunlight but can adjust to less sunny conditions. While it prefers an abundance of sunlight for healthy growth, it can tolerate moderate sun exposure. Both insufficient and excessive sunlight can adversely affect its vigor. To support its growth in less ideal conditions, artificial lighting can be a vital solution, especially indoors. LED lights are recommended due to their ability to provide specific wavelengths needed by the plant. The right amount of artificial light varies depending on the plant's light requirements, ranging from 10-50W/sq ft based on whether the plant needs full sun, partial sun, or shade. The light source should be placed 12-36 inches above the plant and kept on for 8-12 hours per day to mimic natural daylight conditions.
What are the symptoms of inappropriate lighting conditions for Showy Tick-Trefoil?
Symptoms of lighting issues in Showy Tick-Trefoil include small, new leaves that may grow smaller than the previous ones, leggy or sparse growth with long spaces between leaves or stems, faster leaf drop as the plant sheds older leaves to conserve resources, slower or no new growth as the plant enters survival mode, paler or irregularly colored new leaves, which indicates a lack of chlorophyll and nutrients. Other symptoms include chlorosis (leaves losing green color), sunscald (damage from intense sunlight exposure), leaf curling (defense mechanism against excessive light), wilting (loss of turgor pressure), and leaf scorching (brown, dry edges on leaves due to excessive sunlight).
How can you address and prevent lighting issues for Showy Tick-Trefoil?
To ensure optimal growth for Showy Tick-Trefoil, gradually increasing light exposure is key. For indoor plants, moving them to a sunnier location or using artificial light such as desk or ceiling lamps, or professional grow lights for at least 8 hours a day can help. Outdoor plants should be moved gradually to sunnier spots to avoid sunburn. Reducing obstructions, through pruning or moving smaller plants during their dormant period to a location with more sunlight and good drainage, helps increase natural light exposure. Note that parts of the plant affected by previous poor light conditions may not recover, but new growth should be healthy with improved lighting.
🌡️ Temperature 0–32.2°C
Showy Tick-Trefoil is native to areas where temperatures range from 32 to 90°F (0 to 32℃). It prospers in moderate conditions, and regular adjustments are needed during seasons with severe temperature fluctuations.
What is the ideal temperature range for growing Showy Tick-Trefoil?
Showy Tick-Trefoil, known botanically as Desmodium canadense, is native to climates with temperatures ranging from 32 to 90°F (0 to 32°C). It thrives in moderate conditions and requires regular adjustments during seasons with severe temperature fluctuations to ensure optimal growth.
Does Showy Tick-Trefoil require frost protection measures during winter?
Showy Tick-Trefoil is highly cold-tolerant and does not require additional frost protection measures during the winter months. However, it is recommended to water the plant generously before the first freeze in autumn. This ensures the soil remains moist and enters a frozen state, which helps prevent drought and water scarcity for the plant during winter and early spring.
How does low temperature affect Showy Tick-Trefoil and what should I do?
Showy Tick-Trefoil is extremely cold-tolerant; however, if winter temperatures drop below -35°C, there may not be any noticeable changes during the winter itself, but you might observe a decrease in sprouting or even no sprouting during the spring. In such cases, it is advisable to remove any parts of the plant that have failed to sprout in spring.
What should I do if Showy Tick-Trefoil is exposed to high temperatures?
Showy Tick-Trefoil does not tolerate high temperatures well. When exposed to temperatures above 32°C, its growth will stop, and the plant becomes more susceptible to rot. To mitigate the effects of high temperatures, trim away the sunburned and dried-up parts of the plant. Moreover, moving the plant to a location that provides shade during the midday and afternoon or using a shade cloth can be beneficial. Additionally, watering the plant in the morning and evening helps keep the soil moist, further protecting the plant from heat stress.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
The best time to fertilize a Showy Tick-Trefoil is in early spring, as it is coming out of dormancy and starting active growth. Fertilization supplies essential nutrients for healthy development. Although Showy Tick-Trefoil has relatively low fertilizer requirements, applying fertilizer annually can improve its survival and encourage better, longer-lasting flowers.
Why should I put fertilizer on my Showy Tick-Trefoil plant?
The Showy Tick-Trefoil's leaves are a significant part of its structure. Fertilization plays a vital role in maintaining the health and appearance of these leaves. By properly fertilizing, you can ensure that the leaves maintain consistent color and a healthy texture. Fertilization also benefits the plant beneath the soil by promoting the growth of new roots and maintaining existing ones. This not only keeps the plant healthy currently but also enhances its ability to absorb nutrients from the soil in the long run.
When should I fertilize my Showy Tick-Trefoil plant?
If you grow Showy Tick-Trefoil outdoors, it will start producing new growth in early spring. This is the signal to start fertilizing for the year. Usually, one application of fertilizer in the spring is sufficient for the plant to thrive. However, if you want to maximize its growth, you can fertilize it multiple times during spring and early summer. In this case, you can apply fertilizer once every month to a month and a half.
When is the best time to not use fertilizer on my Showy Tick-Trefoil?
During late fall and winter, your Showy Tick-Trefoil goes into a dormant phase and stops producing new growth. Therefore, it's best to avoid fertilizing it during this time. If you do choose to fertilize during spring and summer, gradually decrease the amount as summer approaches because the growth rate slows down. It's never a good idea to fertilize your Showy Tick-Trefoil when it's unusually hot or the soil is extremely dry, as this can cause stress and premature death.
What kind of plant food does my Showy Tick-Trefoil need?
Choosing the best fertilizer for a Showy Tick-Trefoil is simple. These plants thrive with a general-purpose garden fertilizer that has equal amounts of nitrogen, phosphorus, and potassium, like a 10-10-10 ratio. Avoid high nitrogen fertilizers. The ideal fertilizers for Showy Tick-Trefoil are granular and slow-release, making them easy to apply to the soil. It can also be beneficial to use organic soil amendments like compost to feed your plants.
How do I give plant food to my Showy Tick-Trefoil?
1. Wait until your Showy Tick-Trefoil's first leaves emerge in early spring. 2. Once you see the leaves, apply a balanced granular slow-release fertilizer to the soil around the base of the plant. 3. You can repeat this process later in the season if desired. 4. When reapplying fertilizer, apply it to the soil at the base of the plant, not on the plant itself. 5. Sometimes, you may need to move leaves to access the soil near the roots. 6. It's a good idea to water your Showy Tick-Trefoil before and after fertilizing.
🪴 Pot & Repot
✂️ Pruning
Pruning your Showy Tick-Trefoil from early to late spring helps rejuvenate the plant and encourages it to flower. To maintain plant health and prevent fungal issues, remove dead or damaged stems and thin the canopy to improve airflow. Regular pruning also enhances the plant's shape and vigor, promoting more abundant blooms. For specific pruning practices suited to your region, consult local horticultural resources.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Desmodium
- Family
- Fabaceae
- Hardiness Zone
- 3-7
- Mature Height
- 0.61 m to 1.83 m
- Mature Spread
- 61 cm to 91 cm
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Color
- Purple, Lavender
- Flower Size
- 2.54 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring, Summer
- Harvest Time
- Mid summer