Common Busy LiZZie Diseases (And How To Treat Them)
Cafe Planta Team
Busy Lizzies, also known as impatiens, are popular for their vibrant colors and ability to thrive in various light conditions. However, these charming plants aren't immune to diseases. It's not uncommon for plant parents to encounter challenges when caring for Busy Lizzies, especially when diseases come into play.
This article will explore some of the most common diseases that afflict Busy Lizzies and offer practical advice on how to identify, treat, and prevent them. We'll cover everything from identifying powdery mildew to tackling root rot, ensuring your Busy Lizzies remain healthy and thriving.
Powdery Mildew
Powdery mildew is a common fungal disease that affects many plants, including Busy Lizzies. It's easily recognizable by its white, powdery spots on leaves and stems. If left untreated, it can spread quickly, causing leaves to yellow and drop prematurely.
To treat powdery mildew, you can start by removing the affected leaves. This helps prevent the fungus from spreading to healthy parts of the plant. Additionally, improving air circulation around your plants can significantly reduce the likelihood of mildew taking hold. If the problem persists, consider using a fungicidal spray specifically designed for powdery mildew.
- Increase Air Circulation: Space your plants appropriately and avoid overcrowding.
- Water Wisely: Water at the base of the plant to keep foliage dry.
- Fungicidal Sprays: Opt for those labeled safe for use on impatiens.
Interestingly enough, some plant people swear by a homemade remedy using baking soda. Mixing 1 tablespoon of baking soda with a gallon of water and a few drops of dish soap can act as a preventative spray. Use it once a week to keep powdery mildew at bay.
Downy Mildew
Downy mildew is another fungal disease that can wreak havoc on Busy Lizzies. Unlike powdery mildew, downy mildew appears as yellow or white patches on the leaves, often with a fuzzy growth on the undersides.
This disease thrives in cool, moist conditions, so controlling humidity and moisture is critical. Start by removing and destroying infected plant parts. Avoid composting these, as they can reintroduce the fungus back into your garden.
Treatment involves using a fungicide that's effective against downy mildew. Be sure to follow the instructions carefully to ensure the best results. Preventative measures include:
- Proper Plant Spacing: Ensures good airflow between plants.
- Avoid Overhead Watering: Wet leaves create ideal conditions for mildew.
- Implement Drip Irrigation: Keeps leaves dry while watering the soil.
While it’s hard to say for sure, some gardeners find that rotating crops and planting resistant varieties can also help reduce the risk of downy mildew.
Root Rot
Root rot, often caused by overwatering, is a sneaky problem that affects the root system of Busy Lizzies. It usually results in wilting despite adequate watering, and the roots may appear mushy and brown.
The first step in dealing with root rot is to assess your watering habits. Make sure your plants are in well-draining soil, and avoid watering until the top inch of soil feels dry to the touch. If root rot is suspected, you might need to repot the plant, removing any affected roots and using fresh soil.
Here are some tips to prevent root rot:
- Use Containers with Drainage Holes: Helps excess water escape.
- Avoid Saucers or Trays Filled with Water: They can lead to soggy soil.
- Consider Soil Amendments: Incorporate perlite or sand to improve drainage.
While it might feel daunting, sometimes a gentle tug on the plant to examine the roots can offer clues. Healthy roots should be white and firm, not brown and mushy.
Botrytis Blight
Botrytis blight, or gray mold, is a fungal problem that can affect Busy Lizzies, especially in cool, damp conditions. It manifests as gray, fuzzy mold on leaves, stems, and flowers, sometimes accompanied by brown lesions.
To manage botrytis blight, begin by removing any infected parts of the plant, making sure to dispose of them properly. Increase sunlight exposure if possible, as this fungus thrives in low light.
Fungicides may be necessary for severe cases, and there are several options available. Always follow label directions for the best results. Prevention tips include:
- Improve Air Circulation: Use fans or open windows.
- Avoid Overhead Watering: Wet foliage encourages mold.
- Regularly Check Plants: Early detection helps control outbreaks.
Sometimes, simply adjusting your plant care routine can make a significant difference in keeping botrytis blight at bay.
Leaf Spot
Leaf spot is a broad term for various diseases that cause spots on leaves. In Busy Lizzies, these spots might appear as water-soaked, brown, or black patches. They can spread, causing leaves to yellow and drop.
Control starts with removing affected leaves and improving overall plant health. Make sure your Busy Lizzies have the nutrients they need, and avoid overhead watering. Copper-based fungicides can be effective, but be cautious and follow instructions closely.
Preventative measures include:
- Ensure Adequate Spacing: Prevents crowding and enhances airflow.
- Regular Cleaning: Remove debris and fallen leaves around plants.
- Monitor for Pests: Insects can spread leaf spot pathogens.
With some patience and a bit of attention, leaf spot can often be managed effectively.
Rust
Rust is a fungal disease that causes reddish-brown pustules on the undersides of leaves. It can slow growth and weaken Busy Lizzies, making them more susceptible to other issues.
Begin by removing infected leaves and ensuring they don't end up in your compost. Increasing airflow and sunlight can help reduce the chances of rust occurring. If necessary, apply a fungicide that targets rust specifically.
To prevent rust, consider the following:
- Water Early in the Day: Ensures leaves dry quickly.
- Rotate Crops: Helps prevent disease build-up in the soil.
- Avoid Overcrowding: Promotes better air circulation.
Interestingly, some gardeners use a milk mixture (one part milk to nine parts water) as a natural spray to control rust, though results can vary.
Bacterial Wilt
Bacterial wilt is a less common but serious disease that can affect Busy Lizzies. It causes plants to wilt rapidly, even with proper watering. Unfortunately, there’s no cure once a plant is infected, and it can spread quickly through contaminated soil or water.
Preventing bacterial wilt involves maintaining cleanliness. Sterilize tools and containers, and ensure good drainage to reduce standing water. If you suspect bacterial wilt, remove the plant to prevent it from spreading to others.
Tips to prevent bacterial wilt include:
- Use Clean Tools: Disinfect regularly to avoid contamination.
- Buy Healthy Plants: Choose disease-free plants from reputable sources.
- Isolate New Plants: Observe for signs of disease before introducing them to your collection.
While bacterial wilt is challenging to manage, taking preventive steps can make a big difference.
Viral Infections
Viral infections in Busy Lizzies can manifest as mottled or distorted leaves and stunted growth. These infections are often spread by pests such as aphids or through contaminated tools.
Unfortunately, there's no cure for viral infections, so prevention is vital. Regularly check for pests and control them promptly. Sterilize tools and avoid sharing them between plants without cleaning.
Preventative measures include:
- Control Pests: Use insecticidal soaps or neem oil.
- Isolate Infected Plants: Prevent the spread to healthy plants.
- Handle Plants with Care: Avoid unnecessary contact with leaves.
While it can be disheartening to lose a plant to a viral infection, focusing on prevention can help protect your other plants.
Final Thoughts
Busy Lizzies are delightful plants that bring color and joy to any space, but like all plants, they require a bit of care and attention to stay healthy. By being vigilant and taking proactive measures, you can help ensure your Busy Lizzies remain disease-free and flourishing.
At Cafe Planta, we're passionate about helping plant lovers make the most of their indoor gardens. Whether you need advice or want to explore our selection of houseplants and accessories, we're here for you. Feel free to email us or reach out on Instagram. We believe in the power of plants to connect us to nature and each other!







