Growing Zucchini, also Courgette/Marrow, Summer squash

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14 Feb 13 Al (New Zealand - sub-tropical climate)
I started cucumbers and courgette plants at the right time, but both plants have plenty of female flowers - no male flowers 3 months later. Don't tell me I do not know the difference, I am 88 years old and have been growing them since a boy in 1938. I moved to a new home 12 months ago. The pH where they are growing is 6.0. This has me puzzled. Thanks.
18 Jan 17 Te Pi' (New Zealand - sub-tropical climate)
Hello Sir, I was just reading through the comments further on, and it occured to me that you may have some micro-climates at your new property making things alot cooler/dryer/warmer- outdoor thermometer reads in the area for the day will tell you, and most likely the nutrient balance/microorganisms population is a lot different than your old place...I read somewhere that some squash or pumpkin can change their flowering habits due to a combination of level of nutrients/metals available and plant hormones in the soil, returning to male and female on seperate plants, maybe test the soil for nutrient levels and contaminants if you havent done so already. Is the seed your own or bought? If its not your own seed, you could take it up with the supplier, keep detailed records of these kind of issues and welcome questions about oddities etc, sometimes they purposely breed plants as F1 hybrids so you have to buy more seed to make collecting it not worthwhile
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