RHS Chelsea Flower Show, the hottest event in the horticulture calendar, is back for 2025. There are Show Gardens to see, plants to lust after, exhibitors to buy from in the Great Pavilion, and food and drink to be had. But there are also little gems not to be missed, and so the team at Gardens Illustrated are rounding up five things you really shouldn't miss at RHS Chelsea Flower Show each day. You may also like: Tickets, information and what to expect at Chelsea Discover all our up-to-the-minute Chelsea news Chelsea Flower Show Gardens 2025: discover the full list How to design a garden at Chelsea Sign up to our Chelsea newsletter What to do today at RHS Chelsea Flower Show: Tuesday 20 May 2025 Chosen by digital editor Daisy Bowie-Sell RHS x UBS Moments of Reflection installation speakers, hosted by Tamsin Westhorpe RHS x UBS; A Moment of Reflection, designed by Maximillian Parker-Smith, The Monument The Great Pavilion is always filled with bustle at RHS Chelsea Flower Show, and this year it's no…