This may be a common query but as a not very experienced gardener it's new to me.
The flowering currant has been affected for several months, the other 3 are more recent. The grape is 3 years old and had it's first crop last year. This year there are a lot more but growth stopped about a month ago when they reached the size of peas.
Are all 4 being affected by the same problem. What can I do to cure it?
Good evening Ron and welcome to the site. May I ask, what have you been feeding the plants with because I think the grape and fuchsia are nutrient deficient. The currant, I would like to see some close-ups if you wouldn`t mind and I would like to see a pic of the Forsythia
I agree ron , it looks like it could be something to do with feeding/watering. Are any of the plants in pots & is your grapevine in a greenhouse or outdoors, with grapes watering can make a big difference, I had one growing outside over an arch in our old garden & some years if it was a very dry summer the grapes would be very small. Have you any idea what kind of soil you have, is it acidic (things like rhododendrons/azaleas/pieris grow well in it) or sandy or sticky clay etc. & what's the weather been like where you are? All these sorts of things can make a difference.
Thanks everyone. As someone with a severe lack of gardening knowledge I have clearly come to the right place.
To answer the questions
Not all the leaves are like this, the currant is worst with over 50% and a lot dropping off.
I've been using MiracleGro blood fish and bone on the grape but probably not as frequently as necessary.
Living in Kent we have had a good summer with some long hot spells. No shortage of watering - my wife is responsible for the pot plants on the patio and makes sure (nags) that I water them every evening if it has been a hot day. I do the grape at the same time.
An azalea does well so the soil is probably acidic.
The fuchsia and flowering currant are both over 20 years old, and until I added turfs to extend the lawn in spring this year were in a wide border. Their only feed was bonemeal in late autumn. This year I added chicken manure pellets before laying the turf. This is the first year the leaves have done this.
Assuming the problems are not terminal what should I do to save them and how should I treat them in future?
I don't think anything looks 'terminal' ron , the plant in your picture looks as though it might be happier in a bigger pot or in the ground though. It sounds as though they're all just suffering from the heat a bit & maybe the fuchsia & flowering currant have been a bit dry because the new area of lawn you've put down has been drawing water from the border where they are which they used to benefit from before, I'd water them a bit more when it's hot dry weather.
The shrub in the pot looks more like a Forsythia to me, and the leaves look about right for this time of year. By using bonemeal you are only feeding the plants roots. Instead of bonemeal use F,B&B and you will see a vast improvement.
I've had a look at my forsythia ron which is in a big pot & the leaves look pretty much like yours, as Dai says it's normal for them to turn pinkish before they fall in autumn. Your flowering currant does look as though it's got a bit of dieback on the righthand side. It could be because you've now got grass right up around the bottom of the shrub & ribes are quite shallow rooted, maybe the grass is drawing water from them or possibly the roots or stems on that side have been damaged or loosened by the mower when you've cut the grass? You could try removing the grass in a circle around the bottom of the shrub to leave about a foot clear & then mulch around it with some compost or chipped bark.
Just to add to what has been said, when watering, it is preferable to water in the morning rather than the evening. Probably too late this year but next season use a foliar feed which will add the vital trace elements. There are several on the market to choose from. Remember that ALL plants take their 'Food' in liquid form. You didn't say whether your fuchsia is one of the 'Hardy' varieties or half hardy which require protection from cold (frost)as different varieties react differently to the weather. Also, and this is just my personal opinion, too much emphasis is given to 'feeding' plants. I will try to remember to take a pic of one of my outdoor fuchsias which is taller than me and covered in bloom and NEVER been fed. Of course I exempt container grown plants as they will require some sustenance and I find that Phostrogen is as good as any for most plants both for liquid and foliar feeding. As has already been mentioned these plants are starting to lose their leaves anyway as it is that time of year again so not much to do now other than keeping them 'Ticking over'
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