Contents
- 1 Best 5 Products for Powdery Mildew Treatment
- 2 Buyer’s Guide
- 3 Final Thoughts
- 4 FAQ
If you recently wandered out to your garden and noticed a white substance that was slowly, or not so slowly, taking over your plants, there’s a good chance that you’re dealing with powdery mildew.
Powdery mildew can take over plants in no time, and it can spread like wildfire. That’s why we highlighted five different products here that you can use as a powdery mildew treatment to get your plants back healthy and thriving!
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Best 5 Products for Powdery Mildew Treatment
When you’re serious about removing powdery mildew from your plants, these are the products you will want to get. We highlighted five different products that can clear up your powdery mildew problems for good.
1. Garden Safe Brand Fungicide3 – Top Pick
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Size: 24 ounces
Style: Ready to use spray
Application Schedule: Every two weeks
If you’re dealing with powdery mildew on your plants, you’re not going to find a better remedy than Garden Safe Brand Fungicide3. It’s an organic fungicide that doubles as an insecticide and a miticide.
That means with one spray you can treat whatever’s ailing your plants – and it’s 100% organic! It comes in a ready to use spray which is extremely easy to use, and it’s available for an outstanding price.
However, since it’s a ready to use spray, it’s not the best for larger applications. You have to cover the foliage completely with a regular spray bottle, and that can take a while if you have a larger garden.
While you should be able to knock out most powdery mildew with a single treatment, you can safely reapply Garden Safe Brand Fungicide3 every two weeks. It also works as a great preventative product, and since it wards off various insects and fungal infections, it’s an excellent choice for your garden.
Pros
- Affordably priced
- Easy to use
- Prevents insects and mites too
- Completely organic
Cons
- Not great for larger applications
2. BIOADVANCED 701290B 3-in-1 – Runner Up
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Size: 24 ounces
Style: Ready to use spray
Application Schedule: 30 days
If you’re looking for a product that you don’t need to apply as often, and if you’re not worried about if it’s organic or not, then BioAdvanced 701290B Insecticide, Fungicide, Miticide 3-in-1 is an outstanding choice.
It provides 30 days of protection, and it’s extremely affordable and easy to use. And just like our top choice it acts as more than a fungicide. It also works as a miticide and insecticide to give your plants maximum protection.
However, while it’s safe around fruits and vegetables, it’s not organic. This means the choice to use it is up to you. Do you want an organic product, or do you want one that provides a little longer protection? Both products do a great job in their protection window, but you won’t need to apply this one as often.
Finally, this product is another ready to use spray, which means it’s extremely easy to use, but it’s also not the best for larger applications. That’s because you need to cover each leaf and area of foliage fully for protection, and using a spray bottle to do that can get tiresome for larger farms or gardens.
Pros
- Affordably priced
- Easy to use
- Lasts a long time
- Also prevents insects and mites
Cons
- Not great for larger applications
- Not organic
3. Bonide 811 Copper 4E Fungicide – Best Concentrate
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Size: 16 ounces
Style: Concentrate
Application Schedule: Every week
When you’re looking for something that you can use for larger applications then Bonide 811 Copper 4E Fungicide is exactly what you’ve been looking for. It’s a concentrate formula, which means you need to mix it to use it, but that also allows you to spray it over larger areas easily.
That’s because after you mix it, you spray it with a hose-end sprayer or a tank sprayer, and this makes it easier to cover larger applications. These sprayers allow you to apply the fungicide while watering your plants, so it’s a fairly straightforward process.
Of course, you’ll need to purchase all the additional materials to apply it, which drives up the up-front cost up a bit. Still, if you plan on doing it year after year, the cheaper cost of the concentrate compared to how long it lasts completely offsets the cost and then some.
But what makes this our top concentrate choice is the fact that it’s completely organic, has zero harmful ingredients, and is highly effective.
However, keep in mind that it only acts as a fungicide, so you’re not getting any insecticide or miticide benefits. But considering it’s one of the most effective solutions for powdery mildew, that’s a secondary concern.
The more notable concern is that you need to reapply it every week. That’s not a huge deal since you will already have everything you need, but we do wish that it provided a little longer protection between applications.
Pros
- Easier to cover large areas
- 100% organic
- Very effective formula
- Zero harmful ingredients
Cons
- Not as easy to use
- Needs to be reapplied every week
- Only acts as a fungicide
4. Spectracide Immunox Multi-Purpose Fungicide – Runner Up Concentrate
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Size: 16 ounces
Style: Concentrate
Application Schedule: Every two weeks
Another outstanding concentrate fungicide you need to consider if you’re dealing with powdery mildew is Spectracide Immunox Multi-Purpose Fungicide. It’s an extremely effective concentrate formula that not only treats powdery mildew conditions but prevents it from coming back.
It’s a preventative and treatment fungicide, but just like our top choice fungicide, it’s only a fungicide. That means you’re not getting any insecticide or miticide benefits. If your primary purpose is to get fungal infections under control, it’s still giving you everything you want though.
But just like all concentrates you’ll need a hose-end sprayer or a tank sprayer, which can drive up the cost a bit if you don’t already have them. Still, once you do have the necessary equipment concentrates like this cost less for the amount of area they cover than ready to use sprays.
But while you only need to apply this concentrate fungicide to the affected area once every two weeks, the reason it claims our runner up position is the fact that it’s not an organic product. For some applications, that’s not a huge deal, but if you’re trying to keep chemicals away from your vegetable garden, it’s a deal-breaker.
Pros
- Lasts a long time
- Great for larger projects
- Very effective formula
- Cures and prevents diseases
Cons
- Not organic
- Not as easy to use
- Not as easy to use
5. Dr. Earth 8007 Disease Control Fungicide – Notable Mention
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Size: 24 ounces
Style: Ready to use spray
Application Schedule: Every two weeks
We couldn’t conclude our list without bringing up Dr. Earth 8007 Disease Control Fungicide. It’s another ready to use option, which means all you need to do is point and spray to get things under control. Not only that, but it’s 100% organic, which makes it an outstanding choice for home gardens.
Not only that, but it’s extremely effective at treating powder mildew, which is why we couldn’t leave it off our list. Moreover, it lasts two weeks between applications!
However, it couldn’t crack our top ready to spray options for two reasons. First, it’s a bit more expensive than our top choices. It’s not a huge price difference, but it does cost more.
And that’s all the more significant since it doesn’t act as either an insecticide or a miticide, just a fungicide. And since you can get a product that gives you more coverage for less money, we couldn’t justify sending this product to the top of our list, no matter how well it treats for powdery mildew alone.
Pros
- Easy to use
- Completely organic
- Very effective product
Cons
- Not great for larger applications
- Only works as a fungicide
- Slightly more expensive
Buyer’s Guide
If you still have a few questions about what powdery mildew treatment is right for you after reading the reviews, we understand. That’s why we came up with this comprehensive buyer’s guide to walk you through everything you need to know and make the right decision.
The Best Powdery Mildew Treatments
While there’s some debate out there between commercial powdery mildew treatments and at-home remedies, the truth is that commercial products usually get the edge.
While at home remedies can certainly get the job done, you have to be careful not to overapply them, or to mix too much of any one ingredient. Too much and you can damage your plant, too little and you won’t clear out the powdery mildew.
Meanwhile, commercial products come with all the precise measurements and exact application instructions. If you’re serious about getting rid of powdery mildew the first time then go with a commercial product like one of the five we listed here.
What is Powdery Mildew?
Powdery mildew is nothing more than a fungal infection that infects plants worldwide. The white appearance comes from large quantities of extremely small microscopic spores, which then travel around via windborne particles.
Small infections don’t create any problems for your plant, but as they spread they can cause leaves to wither and die, and it can end up stunting the growth of your entire plant. Because of this, you should treat powdery mildew infections as soon as you see them.
How to Prevent Powdery Mildew
The best thing and about the only thing you can do to prevent powdery mildew infections from taking root the first time is to use a preventative commercial product. Products like Garden Safe Brand Fungacide3 work great as both a preventative and a treatment option.
Once an infection starts, you need to isolate the infected plant as much as possible and thin things out a bit. But since powdery mildew spreads via airborne particles, even this is far from foolproof. The best way to prevent powdery mildew is through treatments.
And since there are multiple organic treatments you can use, there’s no reason not to treat your plants and prevent powdery mildew from taking root in the first place!
Final Thoughts
If you leave powdery mildew to its own devices, it won’t just take out the plant it’s on, but it can spread throughout your entire garden and take everything out. That’s why it’s so important to get it under control as soon as you spot it.
With any of these products you can get your powdery mildew under control before it takes over and takes out your garden. And even if it is a different fungal problem on your plants, any of these products will take care of it and get your garden back to thriving!
FAQ
If you still have a few questions about the best powdery mildew treatments after reading our guide then don’t worry, you’re not alone. That’s why we decided to answer some of the most frequently asked questions for you here.
Can Powdery Mildew Be Cured?
Yes! The best way to remove powdery mildew is through a commercial fungicide. While some sites swear up and down that you can treat them with homemade remedies, the truth is that they’re just not as effective.
Keep in mind that curing powdery mildew means killing off all the fungus spores. If you miss even a few spores then the powdery mildew will come back with a vengeance.
What Is a Natural Remedy for Powdery Mildew?
While commercial fungicides are a better powdery mildew treatment, that doesn’t mean there’s not something you can try at home before ordering anything. We recommend mixing 1 tablespoon of baking soda, 1 tablespoon of vegetable oil, 1 teaspoon of dish soap, and a gallon of water.
Another option you can use is 2 to 3 tablespoons of vinegar mixed in with 1 gallon of water. However, you need to be careful when using vinegar, as too much can burn the plants.
This is another reason why it’s easier and safer to use a commercial product. You don’t need to worry about accidentally damaging your plant when using a commercial product properly according to the package directions.
What Is the Life Cycle of Powdery Mildew?
While we could dive into all the nitty-gritty details here, what you really need to know is that powdery mildew can complete an entire lifecycle, including reproduction, in just 72-hours.
However, for most varieties, it takes between seven and ten days to reproduce. Of course, since there are tons of spores going on at once, you expect the powdery mildew to expand and spread as soon as you spot it.
Finally, powdery mildew can stick around on perennials throughout the winter, so don’t expect the colder weather to clear it off. You need to treat powdery mildew even then, or you can expect it to keep coming back year after year.
Cody is a fulltime blogger and gardener. His favorite activity to relax after a long day of writing is taking care of his plants and garden. For the past few years he have spent more time in the garden than inside so if there is one man you should take advice from its our dear Cody.
