With every exciting summer holiday comes the dread of returning to your garden having suffered under the scorching heat, particularly if nobody can water your plants in your absence.

That’s why this week on ‘grow, cook, eat, arrange’, Head Gardener Josie Lewis returns to share the absolute heat-beating tips, from the collective power of grouping your pots to the life-saving use of capillary matting.

In this episode, discover:

• How pots collected together around a bucket of water form a remarkable microcosm to keep them cooler
• Marvellously effective methods of giving plants water in your absence, from capillary matting to irrigation systems
• Unlikely tips for hanging baskets, involving the use of old socks and shirts
• The dangers of aminopyralid when buying in mulch

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