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Gardener Mr Bloom welcomes a team of young helpers, who tend to his plants and produce. Mr Bloom explains how plants use their roots to drink water.

In the allotment, Mr Bloom explains how plants use their roots, all connected together, to drink water from the soil, just like the Tiddlers drink through a straw.

Inside the nursery, Margaret and Joan are creating an awesome milkshake - the knickerbocker whopper slopper, and Colin comes up with an ingenious use for some leftover straws.

Go gardening with children

First shown: 10.05am 11 Jan 2012 8 hours left Duration 20 mins

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