Okay, here’s my blog post about dealing with daylily diseases and pests, written in the style of a seasoned gardener sharing their personal experiences:
Alright, folks, let’s talk daylilies. Beautiful, right? But even these tough cookies can have problems. I’ve been growing them for years, and I’ve seen my share of issues. So, I snapped some photos and I’m gonna walk you through what I’ve learned about tackling daylily diseases and pests.

Getting Started: Know Your Enemy
First thing I did was get up close and personal with my plants. I mean really look at them. Not just the pretty flowers, but the leaves, stems, everything. I grabbed my phone, and started taking pictures of anything that looked “off.”
Identifying the Culprits
- Leaf Streak: This one’s pretty common. I noticed yellow streaks running down the leaves, and then they started turning brown and kinda mushy. Not good! I took photos of the early stages and the, uh, “uglier” later stages.
- Aphids: Ugh, these little guys. Tiny, green (sometimes other colors), and they suck the life out of your plants. I found clusters of them on the undersides of leaves and near the flower buds. My photos show how they bunch up.
- Spider Mites: I could see them on my plants. Tiny webs and stippled leaves. I made sure to get pictures of the webbing and the damage they cause.
- Rust:This is another fungal issue. I saw small, raised, orange or reddish-brown spots, on the undersides of the leaves. It looks like, well, rust.
My Battle Plan (and What Worked)
Once I figured out what I was dealing with, I started trying different things. It’s really trial and error, folks. I’m no expert, so that is why I am taking notes of everything!
For the leaf streak, I started by trimming off the infected leaves. I made sure to clean my clippers between cuts so I wouldn’t spread it around. I also found that I was giving it too much water, Once I started spacing out waterings, It started getting much better. I took “before and after” photos to track my progress.
Aphids were a pain. I tried blasting them off with a strong stream of water from the hose. That worked okay for small infestations. I also picked up some insecticidal soap and tried that. Seemed to do the trick, but I had to reapply it a few times. My photos show how the plants looked before and after treatment.
For thespider mites, Regular spraying with water helped keep them at bay, especially in hot, dry weather. I also tried a miticide, following the instructions very carefully. I documented the results with photos.
For the Rust I removed and destroyed all affected leaves, do not compost.I also improved air circulation around my plants, by spacing them out a bit more.

Keeping a Visual Diary
The biggest thing I learned? Take pictures! Seriously. It’s so much easier to track what’s working (and what’s not) when you have a visual record. Plus, it helps you identify problems earlier next time. I’ve got a whole folder on my phone just for daylily problems. It’s not pretty, but it’s helpful!
So, that’s my story. Daylilies are tough, but they’re not invincible. Keep an eye on them, take action when you see problems, and don’t be afraid to experiment. And take lots of photos! You’ll be glad you did.