Courgette mystery illness

I thought it was time for another garden update! Everything’s going smashingly well, so far, except for one thing, which you’ll see further down…

Raised garden bed #1

I’m wondering if my scarlet runner beans are actually sunset runners, because the flowers are more orange than red?

Look at those freaking lettuces.  I can’t keep up with them!  A couple of weeks ago, I picked heaps (two bulging grocery bags full) and gave it to the turtle lady for her rescued turtles to eat.  Ben’s Dad came by yesterday and I sent him home with a bag, too.  And I had salad for dinner!

Raised garden bed #2

Russell says hi from his spot on the porch!

Mr. Courgette has some rusting happening on his leaves…and powedery mildew that is common on courgettes.  The more I look at the leaves the more I wonder what the hell it is on them.  I have heard of yellow mosaic disease, but I can’t find any pictures of that which look like the leaves on mine, and I don’t think it’s rust fungus, either, since there are usually little pustules of rust on the underside of leaves when that’s present.

We had a really hot day yesterday, but I first noticed this two days ago or so…and I pulled off about five leaves today.  Here are some more pictures (click for bigger views):

Courgette leaf

Courgette leaf (underside)

Courgette leaf

Courgette leaf

Courgette leaf close up

Courgette leaf close up (underside)

Courgette plant

The fruits aren’t disfigured in the way that yellow mosaic disease presents..and the new leaves aren’t deformed from what I can see, so not sure what’s going on! I know I need to treat the powdery mildew — every time I go to spray with a milk solution, it rains.  We’ve had so much rain this season.

The kind folks over at Vege Gardening New Zealand Style facebook group are also trying to help me diagnose this, but if any of you awesome readers have seen this before, please let me know what I’m doing wrong!  It could be that I’ve gotten water on the leaves while watering, and then it’s gotten pretty hot (scorching?) — I’m going to try bottom watering from now on, because I’ve read that courgette plants prefer that.

Any idea what’s going on?


4 Comments (+add yours?)

  1. Bridget
    Dec 15, 2011 @ 07:04:46

    No idea about the mystery illness…sorry. My courgettes got mildew this Summer but still produced lots of fruits. The raised beds look great. Love the Lettuce and Marigold combo.


  2. Christine @ The Gardening Blog
    Dec 16, 2011 @ 08:58:41

    How gorgeous are your Lettuces!!
    Happy GBBD and “Hi” to Russell as well :)


  3. Jon Palmer
    Sep 05, 2014 @ 00:41:40

    I arrived here because I have exactly the same thing. I’m not worrying about it while the courgettes themselves are fine, but I will burn the plants when I take them up. Don’t know what it is. It’s been dry and sunny in the UK this summer, and they’re in a sheltered spot, so it’s not rot. I water at the roots too. Did you find out? Did it return?


    • Gwen
      Sep 05, 2014 @ 00:55:07

      Hi Jon,

      I ended up moving the following winter and so never found out if the same thing would happen again. I believe it was actually a deficiency of some sort, perhaps potassium. If you Google images for that it was very similar in nature.

      Best of luck with your veggies this year :)


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