Are you starting to notice white spots on your vegetable leaves? It’s quite possible they have powdery mildew – a treatable & very common part of summer gardening.

Lonely Pines Farm may earn a commission for purchases made after clicking links on this page.
After spending so long growing your beloved crops, I know it’s worrisome to see any sort of issue pop up…
In this case, you’re probably here because you’ve noticed fuzzy white dots on your plant leaves. Perhaps they look like they’ve been dusted with flour?

This fungi, known as powdery mildew, is rarely fatal, but it will suck nutrients from your plant, make it more susceptible to other diseases, and overall negatively affect its growth.
Powdery mildew primarily effects these types of plants:
- Cucumber
- Squash
- Pumpkin
- Melon
- Tomato
- Eggplant
- Pepper
- Grape
- Bean
- Pea
- Rose
- Lilac

And that’s part of the reason why’s it’s so common!
Powdery mildew comes in on the wind & thrives in warm, dry weather – especially if there’s high humidity. Sounds like a Pacific Northwest summer…
But the good news is…it can be stopped. Powdery mildew is thwarted by rain, high temperatures, & our DIY powdery mildew spray!
It’s a simple combination of easy-to-gather ingredients that will stop powdery mildew in its tracks!
Want to Know More??
– Check Out Our Video Below –
Everything you need to successfully identify & treat powdery mildew.
So what do you think? Are you ready to wipe out powdery mildew? Your plants will thank you!!
If you liked this article, please share it to spread the gardening love.
Do you have any questions about powdery mildew? Has this treatment been successful for you? Send us an email or leave a comment below! You can also let us know on our Facebook, Instagram, Twitter, or Pinterest pages.
– Make Sure You Don’t Miss Another Video –
Be sure to check out these articles for more gardening tips…
Did you enjoy this article? Want to hear more? Stay in touch! Sign up below to receive updates on new posts from Lonely Pines Farm.

DIY Powdery Mildew Spray
Ingredients
- 1 liter water
- 1/2 tsp baking soda
- 1/2 tsp neem oil – preferably with Azadirachtin
- Few drops soap – as natural as possible
Instructions
- Combine ingredients in a spray bottle & shake vigorously – add a few more drops of soap, if ingredients don't incorporate
- As always, test spray a leaf and wait 24-48 hours before spraying the entire plant/garden.
- Remove the most badly affected leaves & spray the remaining leaves liberally. You may need to shake the bottle periodically to mix.
- Repeat spray weekly through the hot months to treat & prevent powdery mildew.
Leave a Reply