Ten trouble-shooting tips for tasty tomatoes

Assorted tomatoes
Tomatoes come in all colours, shapes and sizes Credit: Pinkybird / Getty Images

Erratic spring weather – hot days, cold nights – then bursts of record-breaking summer heat, have tested the mettle of our greenhouse tomatoes. These mid-season tips will help to see your crop through to mellow ripeness.

1. The squeeze test 

Red tomatoes are ready to pick when the skin of the fruit turns fully red, and it feels soft when you squeeze it. If you’re growing a yellow, black, green – or other non-red variety – the “squeeze” test is often a better indicator of ripeness than colour; dark violet-brown fruits can seem perfectly ripe way before they’re edible. Motto: squeeze before you harvest.

2. Stoppage time

Cordon tomatoes are grown as a single upright stem trained up a support (string...

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