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Thread: blueberries

  1. #1
    dragonlady is offline Germinator
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    Default blueberries

    can anyone give me some advice please... my blueberries are looking abit poorly most of the leaves and flowers have shrivelled and curled up this has happened on 2 of 4 bushes i would like to sort this before the other 2 go the same way. they are in containers.

  2. #2
    Pippin's Avatar
    Pippin is offline Seedling
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    Blueberries are acid loving plants so grow best in an ericacious (acid soil).

    That said have your blueberries been in their containers a long time? April has been a very dry and sunny month so if they have not been watered well and regularly they may be suffering because of this.

    If the plant is pot bound - that is the roots are really tightly packed in the pot then the centre may have dried out and any water may be just running down between the container side and the planting medium and only watering a small portion of the plant. If you can allow the pot to stand in water for 24hrs.

    Feeding may be another problem. A dose of iron sulphate is needed a couple times a year so they get the trace elements and nutrients required plus the conditions to take up the nutrients from the regular feed you give.

    I planted mine out into a border which is alkaline but a dug in plenty of compost and fed with iron sulphate. So far they are doing fine.

    Pest and diseases may be a factor but it sounds more like maybe a food and drink problem from your short description.

    Pippin

  3. #3
    TPeers's Avatar
    TPeers is offline Cropper
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    As above or..... has something eaten the roots? An ants nest, vine wevil.

    You need to lift one of the affected plants out of its pot and examine the roots - I doubt you will do the plant any more damage than has already occured! Once you examine the roots you may have a better idea if the centre dried out or other damage occured.

    If you can't find a thing post some pictures both top and bottom! and perhaps someone will recognise something.

    You may find that the plants will recover with some TLC once you know what the problem is, so don't dispair, all is not lost, yet!

  4. #4
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    coachman is offline Seedling
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    Default Blueberries and phostrogen

    Can anyone tell me why 'phostrogen' is not suitable for blueberries ?
    Is it just that due to the acid soil, the nutrients are not absorbed ?

  5. #5
    Pippin's Avatar
    Pippin is offline Seedling
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    Phostrogen ericaceous plant food is specially formulated for lime hating plants
    like Blueberries

    Pippin

  6. #6
    micktoo is offline Germinator
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    I have one small, potted blueberry plant that seems to be at a standstill. do I need another plant of the opposite sex to get fruit? How would I sex the plants? Would they flourish more successfully in the ground at the end of a privet hedge?

  7. #7
    Pippin's Avatar
    Pippin is offline Seedling
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    How old is your Blueberry?

    Blueberry plants begin to produce fruit in their 3rd season.

    They don`t need to be sexed and one bush will produce fruit. But it is recommended that 2 or 3 bushes of different varieties are grown in close proximity to each other which will result in better crops of Blueberries.

    Many people grow BB`s in pots successfully. They like an acid soil - pH 4.00 to 4.5 and this is easily controlled in containers.

    Make sure the container is large enough and feed the BB`s twice a year with ammonia sulphate - once in late spring and again in late summer as the flower buds form for the following year. If the leaves start yellowing also feed with ferrous sulphate

    They like to be kept watered but not deluged - little and often. This can be why they might not grow adequately, containers dry out quickly and infrequent watering might not penetrate into the whole of the root system.

    They like to be grown in full sun and not have too much competition from your hedge - six feet away maybe. But remember they like acid soil.

    My soil is pH 7.00ish and I have just planted out my 3 varieties of BB`s which are about 4 years old. I prepared the area around their roote with peat, compost and then watered in iron sulphate. I have not done this before - out of containers - so I will be observing with interest.

    Pippin
    "Growing For Gold"

  8. #8
    xspye is offline Seedling
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    2 of my plants have done the same thing as yours dragon lady, both looked really good in flower and loads of leaves and they have shrivelled and died back in the last 2 weeks. They are a Blue crop and a Blue Gold not sure if yours are the same varitey, I would be really interested if anyone has any ideas, I was wondering if it is a too much water issue, they are all in the same compost (newish & ericaous) and were potted up a couple of months ago so have enough space

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