Garden Q&A: What's the best time of year to plant mallow?

Whether you're a gardening beginner or expert, Irish Examiner columnist Peter Dowdall has the answer to your question

Lavatera trimestris. File picture

We always had a lovely pink mallow shrub in the garden but it died after my mum passed. Can you advise me on what time of year to set a new one and the best place to get it from? Also, I'm just back from London and the hollyhocks there are stunning. Would they be easy to grow here?

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