[Antony72]

Hello everyone - hope someone can help a novice tomato grower here.
I planted 4 tomato plants outside where theyve been for about a month or so. I have 3 Conchita plants and one Elegance - grafted varieties from B&Q. They seem to be generally happy (despite my lack of experience) and are in about 10" growbag soil in large containers in the yard in a spot which recieves about 4 hours of direct sunlight a day. I've been careful to cover them when there are any frost risks and they have flowered - two trusses per plant. I live in Gateshead (not the warmest place). I've noticed over the last week or so that the newer younger leaves at the top of the plant are yellow on all four plants. (I have two per container) - but otherwise the plants look healthy. I haven't fertilised the soil or started Tomorite as I read somewhere that the tomatoes had to appear before feeding? The compost I've used is just some growbags from B&Q emptied straight into the containers. The soil is kept moist and I'm watering every 2-3 days. Any ideas? Thanks - Antony

[Ice]

Looks like magnesium deficiency, bit unusual to start at the top though.  Spray them with some epsom salts and if they were mine I would be tempted to give them a weak feed.

[Antony72]

Thanks for replying
I'll be sure to try that.

Antony