How Do You Get Rid Of Boxwood Blight

To get rid of boxwood blight, you need a combination of cultural, chemical, and preventive strategies.
 
Boxwood blight is a serious fungal disease that can quickly destroy your prized shrubs if left unchecked.
 
Gardeners often ask how do you get rid of boxwood blight once it appears, and the honest answer is that it’s tough but possible.
 
The key to getting rid of boxwood blight starts with early detection and aggressive removal of infected plant material.
 
In this post, we’ll cover exactly how to get rid of boxwood blight step by step, from identifying symptoms to long-term prevention.
 
Let’s dig in and save your boxwoods.
 

Understanding How Boxwood Blight Spreads

To effectively get rid of boxwood blight, you first need to know how it spreads.
 
Boxwood blight is caused by the fungus Calonectria pseudonaviculata, which thrives in warm, humid conditions.
 
1. Spores Travel by Water and Tools
 
The fungus produces sticky spores that splash onto nearby leaves during rain or overhead watering.
 
It also hitches a ride on pruning shears, gloves, and even your shoes.
 
That’s why knowing how to get rid of boxwood blight requires excellent sanitation practices.
 

2. Infected Debris Keeps the Cycle Going
 
Fallen leaves and pruned branches that touch the soil can harbor the fungus for years.
 
If you’re trying to get rid of boxwood blight, leaving any infected debris on the ground will sabotage your efforts.
 
Spores can survive in leaf litter and re-infect healthy plants the following season.
 

3. Ideal Conditions for Infection
 
Boxwood blight spreads fastest when temperatures are between 60–80°F and foliage stays wet for more than six hours.
 
Understanding this helps you get rid of boxwood blight by altering the environment around your shrubs.
 
Now let’s move into the actual steps to get rid of boxwood blight.
 

Steps to Get Rid of Boxwood Blight

Once you see the telltale dark leaf spots and black stem cankers, you must act fast to get rid of boxwood blight.
 

1. Remove All Infected Plant Parts Immediately
 
Use sharp, disinfected pruners to cut away every branch showing signs of boxwood blight.
 
Seal the pruned material in a plastic bag and throw it in the trash, never in your compost pile.
 
If the entire shrub is severely infected, dig it up completely to get rid of boxwood blight from your garden.
 

2. Sanitize Your Tools and Hands Between Cuts
 
Dip your pruners in a 10% bleach solution or 70% alcohol after every snip.
 
Wear disposable gloves and change them if you touch infected plants.
 
This step is non-negotiable when you want to get rid of boxwood blight for good.
 

3. Apply a Fungicide as a Protective Barrier
 
Spray remaining healthy boxwoods with a registered fungicide containing chlorothalonil, tebuconazole, or mancozeb.
 
Start applications in early spring before symptoms appear and repeat every 7–14 days during wet weather.
 
Fungicides help but won’t cure existing boxwood blight, so combine them with removal.
 

4. Rake and Destroy Fallen Leaves Thoroughly
 
All leaf litter under infected boxwoods must be collected and bagged.
 
Because boxwood blight spores survive on debris, this cleanup is crucial to get rid of boxwood blight.
 
Dispose of the debris away from your garden, or burn it where allowed.
 

Preventing Boxwood Blight from Returning

After you get rid of boxwood blight, the next challenge is keeping it away.
 

1. Improve Air Circulation Around Boxwoods
 
Space new plantings farther apart and prune existing shrubs to open up the center.
 
Good airflow dries foliage quickly, making it harder for boxwood blight to take hold.
 
You can also get rid of boxwood blight risk by watering at the base rather than overhead.
 

2. Plant Resistant Boxwood Varieties
 
Some cultivars show better resistance to boxwood blight.
 
Look for varieties like ‘North Star’, ‘Green Velvet’, or ‘Green Gem’.
 
Choosing resistant plants is a smart long-term way to get rid of boxwood blight headaches.
 

3. Avoid Spreading the Fungus on Your Property
 
Don’t bring in used boxwood plants from unknown sources.
 
Quarantine any new boxwoods for a few weeks and inspect them for signs of boxwood blight.
 
Clean your footwear after walking through affected areas to prevent spreading the disease.
 

4. Replace Severely Infected Sites with Non-Host Plants
 
If boxwood blight keeps returning, consider planting alternatives like Japanese holly or yew in that spot.
 
The fungus loves boxwoods, so removing the host plant is the ultimate way to get rid of boxwood blight for good.
 

So, How Do You Get Rid of Boxwood Blight?

To get rid of boxwood blight, you need a combination of cultural, chemical, and preventive strategies.
 
Trying to get rid of boxwood blight without removing infected parts and sanitizing tools will only let the disease linger.
 
Remember: early detection, thorough cleanup, fungicide protection, and good garden hygiene are your best tools.
 
And if boxwood blight has been a recurring problem, swapping out your boxwoods for resistant varieties might be the wisest move.
 
With consistent effort, you can definitely get rid of boxwood blight and enjoy healthy, vibrant shrubs again.