The ITV star, who used to work as a journalist, is known for sharing hacks from both gardeners of the past and modern-day experts.
Recently, he revealed “old gardeners’ tricks” from “quite a few years ago”, including one that will shock many.
Titchmarsh claimed they could tell when it was safe to sow seeds outside by looking at the ground for weeds.
When weed seedlings began to emerge they “would regard the soil as being warm enough”.
Alan Titchmarsh gave his top tips for how to kickstart spring s growing season (Image: GETTY)
Alan Titchmarsh is a widely respect figure within the gardening community (Image: GETTY)
The ITV star, who returns to TV screens with Love Your Weekend, is considered a trusted voice in the world of gardening.
But some may raise an eyebrow at one of his latest tricks, which he claimed was used by “old gardeners”.
As spring draws nearer, hopeful growers are looking to plant seeds outside and inside.
For those who are looking to sow seeds outdoors, one of the biggest obstacles can be knowing if it is warm enough for plants to survive.
Alan Titchmarsh unveiled an old gardeners tip for knowing when to plant seeds (Image: GETTY)
Alan Titchmarsh is a trusted voice in the gardening world after being a TV expert for years (Image: GETTY)