Plant of the week: Coleus canina

The strong aroma of grey-leaved, blue-flowered Coleus canina is said to make cats look elsewhere to do their nasty business. Buy five plug plants for £8.95, 10 for £13.90 or 20 for £22.80 (prices include UK mainland p&p). To order, call 0330 333 6851, quoting ref GUPW226, or go to our Readers' Offer page . Delivery from late April.