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Thread: Sowing all things Cucurbit - 2019

  1. #89
    Super Sprout is offline Seedling
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    Quote Originally Posted by Small pumpkin View Post
    I don't think you're to late.
    Quote Originally Posted by SarrissUK View Post
    I hope not - I have to re-sow stuff that hasn't germinated
    Thank you!

  2. #90
    ameno is offline Rooter
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    Quote Originally Posted by annie8 View Post
    Is there a reason to hold off sowing things like courgettes until now? I sowed mine in March I think as I thought it would give it a longer season.
    Courgettes don't need a longer season. If anything, sowing them early will only cause them to peter out early, whereas a late sowing will give you courgettes into early October.
    The main reason, though, is that the young plants grow fast and it is too cold to plant them out until at least mid-May. Nights under about 9 degrees will halt their growth, and they'll just sit there not doing anything until things warm up. So even though plants planted out early may survive, they won't really actually get a head start on ones planted later.

    I usually sow my courgettes and squashes in late April, but last year my first and second sowings didn't germinate, so in the end I didn't sow until about this time in May. They still grew well and gave a good crop.
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  3. #91
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    Jay-ell is offline Welcome To The Jungle
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    My courgettes went out a couple of days ago covered with fleece. I'll be sowing a couple more in a couple of days to hopefully prolong the season. Not sure about doing any later sowings but I may think about it.

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  4. #92
    annie8 is offline Tuber
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    Quote Originally Posted by ameno View Post
    Courgettes don't need a longer season. If anything, sowing them early will only cause them to peter out early, whereas a late sowing will give you courgettes into early October.
    The main reason, though, is that the young plants grow fast and it is too cold to plant them out until at least mid-May. Nights under about 9 degrees will halt their growth, and they'll just sit there not doing anything until things warm up. So even though plants planted out early may survive, they won't really actually get a head start on ones planted later.

    I usually sow my courgettes and squashes in late April, but last year my first and second sowings didn't germinate, so in the end I didn't sow until about this time in May. They still grew well and gave a good crop.
    Thanks that’s interesting. Think since I usually have two plants I might do an earlier sowing and a later one next year.

  5. #93
    Bren In Pots's Avatar
    Bren In Pots is offline Bad Hair Day
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    Quote Originally Posted by Jay-ell View Post
    My courgettes went out a couple of days ago covered with fleece. I'll be sowing a couple more in a couple of days to hopefully prolong the season. Not sure about doing any later sowings but I may think about it.
    Me to, mine went in on the 20th and go under cloches at night, i've only got 5 plants so I'm sowing 3 more today.

  6. #94
    ameno is offline Rooter
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    Quote Originally Posted by annie8 View Post
    Thanks that’s interesting. Think since I usually have two plants I might do an earlier sowing and a later one next year.
    Ah, that won't work unless you are growing a parthenocopic (self-setting) variety.
    Courgettes, squashes, etc. are self-sterile, and need pollen from a different plant in order to pollinate and set fruit. So at the beginning and end of the season, when you only have one plant, the flowers won't pollinate so you won't get any fruit.

  7. #95
    Thelma Sanders is offline Gardening Guru
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    Quote Originally Posted by ameno View Post
    Ah, that won't work unless you are growing a parthenocopic (self-setting) variety.
    Courgettes, squashes, etc. are self-sterile, and need pollen from a different plant in order to pollinate and set fruit. So at the beginning and end of the season, when you only have one plant, the flowers won't pollinate so you won't get any fruit.
    I don't think that's right, sorry - I have successfully pollinated courgette flowers with males from the same plant, when I want to save seeds from a certain variety.
    The individual flowers are either male or female so can't self pollinate - the pollen from the male must get into the female but as long as the plant is producing male and female flowers, and there are pollinating insects about, you will get fruit from one plant.
    Last edited by Thelma Sanders; 22-05-2019 at 04:43 PM.

  8. #96
    ameno is offline Rooter
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    Quote Originally Posted by Thelma Sanders View Post
    I don't think that's right, sorry - I have successfully pollinated courgette flowers with males from the same plant, when I want to save seeds from a certain variety.
    The individual flowers are either male or female so can't self pollinate - the pollen from the male must get into the female but as long as the plant is producing male and female flowers, and there are pollinating insects about, you will get fruit from one plant.
    Huh. I've never had any luck with pollinating with pollen from the same plant, and I swear I've read that most cucurbits are self-sterile, so you need a different plant (it can be the same variety, just a different plant).
    Maybe they're just partially self-fertile, and pollinate more reliably with pollen from a different plant but can be pollinated with pollen from the same plant?

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