Desmodium illinoense, the Illinois ticktrefoil, is a flowering plant in the bean family (Fabaceae), native to the central United States and Ontario, Canada. Illinois ticktrefoil grows in sunny places, such as prairies and oak savannas of the Great Plains and Great Lakes regions.
Illinois tick trefoil is generally resistant to disease and not commonly affected by illnesses. However, it can be vulnerable to pests and pathogens present in its environment. When infections do occur, they are typically mild. Regarding care, this plant needs a moderate level of maintenance. It should be pruned on a regular basis to keep a neat appearance and encourage healthy growth. Fertilizing can also help stimulate flowering. Illinois tick trefoil is a good choice for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may require more attention if grown indoors.
How to keep Desmodium Illinoense.
Light
Illinois tick trefoil is a perennial herbaceous plant native to open habitats, often found in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Water
Illinois tick trefoil thrives in conditions with moderate moisture and can endure short periods of drought. For optimal growth, particularly when planted outdoors, it should be watered weekly. However, during its dormant phase, the plant requires much less water, allowing for less frequent watering and conserving resources.
Temperature
Illinois tick trefoil does best in cold climates and at high elevations. It favors cool temperatures, good air circulation, and a moist growing environment. In summer, steps should be taken to keep it cool because it is very sensitive to heat and can easily perish from it. Dry conditions can also damage the plant. In winter, no particular cold protection is necessary, but keeping the soil moist is important.
Fertilizer
The best time to fertilize an Illinois tick trefoil is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients for healthy development. Although Illinois tick trefoil generally requires little fertilizer, applying it annually can improve its survival and encourage better, longer-lasting blooms.
Pruning
To maintain the health of Illinois tick trefoil, it's important to prune the plant from early to late spring. Begin by removing any dead or diseased stems to encourage healthy growth and allow for better shape management. Thinning the center of the plant improves air circulation, which reduces the risk of fungal diseases. Additionally, this practice promotes vigorous blooming and helps control the plant's spread.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Desmodium
- Family
- Fabaceae
- Hardiness Zone
- 4-7
- Mature Height
- 0.61 m to 1.52 m
- Mature Spread
- 30 cm to 61 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Semi-evergreen
- Flower Color
- Pink, Purple
- Flower Size
- 2.54 cm
- Bloom Time
- Summer
- Planting Time
- Spring, Summer
- Harvest Time
- Late summer, Early fall, Mid fall
Other names.
Reader questions.
How should I water my Illinois tick trefoil plant?
To properly water the Illinois tick trefoil, it is important to use filtered water at room temperature. This is because tap water may contain harmful particles for the plant's health. Additionally, the water should be at room temperature or slightly warmer since the Illinois tick trefoil is accustomed to a warm environment and cold water may shock it. It is also recommended to avoid overhead watering as it can lead to issues with the foliage. Instead, it is best to apply filtered room temperature water directly to the soil until it is completely soaked. This helps to moisten the roots and promotes the spreading and nutrient absorption necessary for the plant's growth.
What kind of sunlight does Illinois tick trefoil require?
Illinois tick trefoil requires full sun every day, with a minimum of six hours of sunlight to keep its leaves, roots, and blooms healthy. While most perennials also need six hours of sunlight each day, plants like the Orange Daylily or Giant Coreopsis can survive with just three hours of sun. However, these perennials won't thrive as much as they would in sunnier conditions.
What temperature is best for Illinois tick trefoil?
To maximize the growth of Illinois tick trefoil, it is recommended to keep them within a specific temperature range of 65~75℉(18~25℃), as they prefer cooler weather. However, they can tolerate higher and lower temperatures to some extent. It is ideal to keep the area where you grow them within a few degrees of the recommended range. If it is not possible to maintain the exact temperature range, the plant will still continue to grow, but it may suffer damage or experience reduced growth. On the higher end, temperatures between 75~85℉(25~30℃) are acceptable. On the lower end, Illinois tick trefoil can handle temperatures as low as 5℉(-15℃). It is particularly important to avoid allowing the temperature to exceed the upper range, as this can cause growth to slow down, and temperatures above 85℉(30℃) could even result in the death of the plant.
What do I need to do if I give my Illinois tick trefoil too much or too little water?
Overwatering is a more common issue than underwatering for the health of your Illinois tick trefoil. Overwatering can cause wilting and yellowing of the leaves, as well as diseases like root rot, mold, and mildew that can be fatal to the plant. Underwatering is less common but can still occur, causing brittle and brown leaves. It is important to catch and address signs of overwatering early, as some diseases may not be fixable if left too long. Reduce watering immediately if you notice these signs and consider replacing poorly draining soil with a well-draining potting mix. If your plant is showing signs of underwatering, simply water more regularly until the signs go away.
Can the sun harm Illinois tick trefoil? How can I keep Illinois tick trefoil safe from the sun and heat?
In warm climates, some Perennial Flowering Plants may struggle with excessive heat and suffer from sun damage. They can wilt, dry out, or even experience growth problems if they are consistently exposed to the intense afternoon sun. However, not all plants require protection from the light afternoon sun. For those that are harmed by intense afternoon exposure, it is recommended to provide them with some shade in warmer climates. Gardeners can achieve this by planting these plants in areas that do not receive direct heat during the afternoon, such as under trees or behind bushes.
Does the tick trefoil plant in Illinois need different temperatures for each stage of its growth?
To ensure healthy growth of Illinois tick trefoil, it is crucial to maintain a temperature range between 65-75℉ (18-25℃) in the growing space. It is advisable to stay towards the cooler end of this range, but avoid going below -5℉ (-20℃). While extremely cold temperatures can impede growth at any stage, they are not as detrimental as excessive heat. If temperatures are too high during the budding stage, Illinois tick trefoil may not flower.
How often should I give water to my Illinois tick trefoil plant?
If your Illinois tick trefoil is in a pot, you can check if it needs water by sticking your finger in the soil. If the top two to three inches of soil feel dry, it's time to water it. If your Illinois tick trefoil is growing outdoors in the ground, you can use the same method to test the soil. Once the top few inches of soil have dried out, it's time to add water. Usually, during spring and early fall, you'll need to water this plant about once a week using this method. However, during extremely hot weather, you may need to water it two or more times per week. It's worth noting that mature, well-established Illinois tick trefoil plants are highly resistant to drought.
Should I keep Illinois tick trefoil away from the sun?
Certain perennial plants require ample sunlight to reach their maximum bloom. However, in warmer climates, some of these plants actually benefit from less sun. For instance, individuals residing in hotter regions might find it beneficial to shade their flowering perennials during the intense afternoon sun, especially during summer months. Although many perennial flowering plants prefer partial shade in the hottest climates, there are exceptions. Take the Giant Coreopsis, for example, as it is not bothered by excessive sun exposure. These plants can flourish even when placed in the full sun during scorching weather.
Here are three helpful tips for managing the temperature of tick trefoil in Illinois.
Here are some tips for growing Illinois tick trefoil indoors: Tip #1: Choose the coldest room of your home that still gets a healthy amount of sunlight. This room should be on the side of your house that doesn't get the harshest midday sun. While you want to protect the plants from excessive sunlight, zero sunlight can hinder their growth. Tip #2: If your Illinois tick trefoil isn't flowering properly, it may be because it's too hot. During the growing season (spring and early summer), high temperatures can negatively impact the flowers, causing them to change into non-flowering buds. To ensure optimal flowering, maintain a temperature range of 65-75℉ (18-25℃). Tip #3: Avoid frost damage. Although Illinois tick trefoil can tolerate lower temperatures down to -5℉ (-20℃), significant frost can harm the plant. Signs of frost damage include wilting, discoloration, and eventually browning or blackening of affected parts. If any parts of the plant show these colors, they cannot be saved and should be pruned to maintain the overall health of the plant.
How much water does my Illinois tick trefoil require?
To properly water your Illinois tick trefoil, don't hesitate to give it a generous amount of water. Make sure that the top two to three inches of soil are dry before watering. It's important to thoroughly water the plant, allowing the soil to be fully soaked. Add enough water so that it drains through the pot's holes at the bottom. If you don't see excess water draining, then you haven't watered enough. However, be cautious not to let water accumulate in the soil, as it can harm the plant. On the other hand, if water doesn't drain well through the pot, it means the soil is not draining properly, which can be harmful to the plant's health. If you're watering the plant outside, a weekly rain of 1 inch will be sufficient.
What will happen if Illinois tick trefoil does not get enough sunlight?
If you are growing Illinois tick trefoil and it is not receiving enough sunlight, you will see signs that the plant is not getting its required conditions. Most plants will not produce as many blooms as they would if they had full sun exposure. Some plants may also develop dry spots on their leaves. However, despite the inadequate sun, most of these plants will still manage to bloom. Nevertheless, the flowers will be smaller and less full.
Does Illinois tick trefoil require different temperatures for different seasons?
To ensure optimal growth, it is essential to maintain a consistent temperature in your growing area throughout the year. If you reside in an area with harsh winters or scorching summers, it may be preferable to cultivate your plants indoors. This way, you can provide them with a cool environment where Illinois tick trefoil can thrive. However, if you choose to keep your plants outside, it is important to carefully monitor the temperature. In regions with extremely high summer temperatures, it is crucial to prevent exposing your plants to anything above 85℉ (30℃). Such heat can quickly dehydrate and harm Illinois tick trefoil, leading to eventual demise.