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Jim has set up the 6 x 8 greenhouse in an almost exact replica of his own greenhouse at home and this week he's adding some half-hardy colour.

Meanwhile, Carole trials a range of fertilisers using Scotland's number one bedding plant, the begonia, to see what if any difference adding fertiliser makes.

Chris continues development of the new, old (Scottish) rose garden. It has been planted with every variety of rose, but they will all have to be able to cope with exposed Scottish conditions.

George visits Dr Tony Toft in his garden at Hermitage Gardens in Edinburgh, which is a showpiece display of unusual species mixed tastefully with specially commissioned pieces of art and sculpture.