Quote:
Originally Posted by kay
Have you tried digging into the ground with a twig or a finger a few inches? Sometimes you will find the top half inch wet where you've watered it, but the ground underneath dry - I've been gardening for years, and I still get caught out!
Unless you have had rainfall of at least 1.5cm within the last few days, every week put a full 2gal watering can of water on to the square foot of ground around the plum. You may need to do this twice or 3 times a week if you're having hot sunny days.
Actually - how do you know they have discoloured? Do you have some darker leaves to compare them with? And remember that new growth is always lighter green than older growth.
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Will try digging a few inches down to see if the soil is damp(or not),and the leaves were darker green when they first appeared,they look sickly and have started to curl upwards.The tree is on my allotment and has some courgettes and toms planted around it,but nothing within a square foot and they are thriving.