Tomato Diary 7

5 Sept: The largest tomato is golf-ball size now.

The experiment: to grow tomatoes on my balcony during a Sydney winter using seeds scraped from a store-bought tomato.

Sadly, we are back to a mix of good and bad news for this update. 😦 As you can see above and below, I have lots of tomatoes coming along.

We’re out of winter and into spring now, and the temperatures are warming up. The sun blasting onto the exposed pails was quickly drying out the soil. Easily fixed, though: I put up some black sunblockers to keep the pails in the shade, and made nifty covers for the soil on top.

Sept 5: Keeping cool!

However, here’s the bad news: the lower leaves are yellowing again. You can see it in the photo above. I shall try fertilising twice a week rather than once, and see if that helps. However, in true experiment fashion, I’m going to try something different for this pot (you may have noticed the yellow straw on the right, there to remind me that this is the experimental pot). I read that tomato plant problems are often caused by lack of calcium in the soil. Well, what has lots of calcium?

Calcium and B vitamins — not just for mammals!

Yes, milk! And sure enough, various gardening websites told me that “watering” tomatoes with a 50-50 water/milk mix is a “thing”. However, once plants go on the milk diet they can’t be given standard fertiliser because the chemicals break down the good bacteria in the milk. So we’ll see what happens!

Tune in later for Tomato Diary 8.

9 thoughts on “Tomato Diary 7

  1. My tomato plants have always had yellowing leaves as the fruit develops, I simply cut them off. Be careful feeding too much. I think once a week is plenty, just make sure you water once or even twice a day. Be interesting to see how the milk diet works! How big was the original tomato? Cherry or bigger?


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