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Sick Jasmine photos - leaves turning brown

amacalpine1amacalpine1 Posts: 5
in Problem solving
Hi all

We have a jasmine plant that's been growing like crazy for 4 years. This year it's developing brown patches of dead leaves. Any advice or thoughts is massive appreciated. 

Thanks

Andrew 

Posts

  • B3B3 Posts: 27,505
    No photos
    In London. Keen but lazy.
  • amacalpine1amacalpine1 Posts: 5
    Odd. Now uploaded again uplo
  • Pete.8Pete.8 Posts: 11,340
    I'd guess you can blame the recent cold spell.
    I have an established Myrtle and it has many branches with similar leaves following the freeze.
    The affected leaves will drop in due course and you may need to trim a few dead bits off here and there, but hopefully it'll pull through

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • Papi JoPapi Jo Posts: 4,254
    Agree with @Pete.8 Frost damage. 
  • amacalpine1amacalpine1 Posts: 5
    Thank you both so kindly. I will remove the dead leaves and hope for a speedy recovery and warmer weather 
  • fidgetbonesfidgetbones Posts: 17,618
    The frost damages all the old leaves, they will drop off and new ones will grow.
  • BorderlineBorderline Posts: 4,700
    Looks like the most tender type of Jasmine you have there. Jasminum Polyanthum is normally grown as a greenhouse/conservatory plant in this country. You have done well for it to thrive outdoors in the four years.

    They flower very early in the year which can mean, the sudden cold snaps in winter and spring knock them back and also damage the leaves. If it is grown in a small space, you can put fleece over them when heavy frost is forecast. 
  • amacalpine1amacalpine1 Posts: 5
    Thank you for the advice. While it's super green and bushy, we've actually struggled to make it bloom and flowers. The flower buds are there but they never come out, so must get frost bitten and die. I actually planted another type of jasmine 
     to eventually have the hedge half / half, so hopefully thats the right one (fingers crossed). Any tips to help it flower is hugely appreciated. 
  • BorderlineBorderline Posts: 4,700
    edited March 2021
    Thanks for posting further photos of your shrubs/climbers. Sounds like and looks like you may be pruning the tips out at the wrong times and not allowing them enough time to grow back to flower. The general best time to prune is straight after flowering. That will allow your plants a year's growth to then flower next year.

    Star Jasmine, Trachelospermum Jasminoides will be more reliable as an evergreen barrier. They can sometimes react to cold weather and turn bronze/red, and quite often by the end of winter may have a few leaves withered due to rain and frost, but normally, they pick up again when the weather warms up more. They tend to flower up to early autumn time, so if you need to prune back, you should do so after that time. 

    The other Jasmine may need protection in the cold nights to help it along. They start to form buds in spring just when the weather starts to warm up but very often, the nights are still very cold and frosty. This tends to damage emerging buds. Fleecing over-night will help it. If you have doubts, don't do any pruning back this year and see how it goes.

    Both plants prefer sunny and warm positions, and with protection from wind or fence, especially when if they are young. Once they mature, and a stronger root system, they tend to do better.
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