Diarmuid and Paul answer their most frequently asked question - 'how to prune hydrangeas.' In this episode they're also looking at how gardening can be seriously political. From Melania Trump's overhaul of the Kennedy's rose garden to farmers planting up the Champs Élysée. And did you know that bamboo comes with its own in-built countdown clock to its demise?

This is the big wildflower spesh! Diarmuid and Paul always get a huge reaction when they post photos of wildflower meadows on Instagram and there's a big move towards this type of gardening. They'll tell you how to choose the right seed mix, where to sow it, how you should go about doing it and at what time of year. Do you think summer begins in May or June? Well it turns out, it doesn't matter because you shouldn't be gardening according to the calendar.

This is the big houseplants spesh! Diarmuid and Paul have chosen some great entry level plants, as well as some slightly challenging ones for the more experienced plant mom/dad. Many of them are almost indestructible, so if you're prone to killing your plants, these are the species for you. Chances are you are over-watering, so there's advice on how to care for them. There are also tips on how to choose the right spot in your home and how to cut through the marketing jargon. Plants featured: Aspidistra (cast-iron plant), spider plant, Aloe vera, Schefflera (umbrella plant), Aglaonema (Chinese evergreen), Alocasia (Yucatan Princess), Tillandsia (airplants) and a Phlaenopsis orchid.

Diarmuid's been commissioned to create a massive garden for a Moroccan aircraft lessor outside Marrakech. 500 people have been invited to a party in the garden next year. The lads reveal their gardening pet peeves. Paul helps Diarmuid with a parenting conundrum. Oh and by the way, we've all been pronouncing fuschia wrong. It should be 'fucksia' not 'few-sha'.

The lads discuss the controversial topic of rewilding. They're urging you to look for less perfection in your gardens; ditch the pesticides and let the weeds grow. There are also tips to create habitats for bugs and hedgehogs. Diarmuid talks about the garden that most influenced him growing up. Mrs Pegman's gnome extravaganza on Dublin's Ballyboden Road was (in)famous for its eccentric and exuberant design. There's also a 'cardening' update: Paul's cactus garden croaked it.

Diarmuid and Paul discuss urban greening and balcony gardening. The low-brow bit involves pondering whether plants poo but then there's the bit outside Trinity College, so swings and roundabouts! There's an essential rundown of what you need to create a green space on your terrace. The lads meet Keelin Egan who ran a wine bar until Covid hit. She pivoted into gardening and has designed the outdoor dining spaces on Merrion Row in Dublin.

Diarmuid and Paul are having a gardening festival and you're all invited. The lads run through their best gardening hacks as voted by their online community, The Riff Raff. They explain deadheading, rose pruning and how to take a cutting. (Paul likes to add a Beyonce mic drop flourish.) We drop in on one of their nightly Garden Conversations on Instagram Live, but it all gets a bit awkward when Paul judges Diarmuid's weeds. His attitude? Let 'em grow, let 'em grow, let 'em grow.

Diarmuid and Paul visit a jungle garden in Co. Kerry. They speak to Peta O'Connor who turned a craggy outcrop of land, beside the sea in Ballinskelligs, into a tropical oasis. The lads have advice for anyone trying to garden in an exposed location. Paul won't get in the sea.

Is the gardening world racist? Diarmuid and Paul believe there's a lack of diversity in horticulture, and a root and branch change is needed. Producer Aideen's pursuit of a tree is usurped by garden centre shortages. The lads answer your questions; including how to make your own nettle fertiliser. Paul recounts his amazing plant hunting expeditions in Vietnam.

Diarmuid and Paul select their Top Ten Trees for Small to Medium-Sized Gardens and get Producer Aideen to choose one in a penalty shootout-style competition. The lads have a go at ‘cardening’, which is gardening in a car. Diarmuid incurs the wrath and indignation of Daily Mail readers after suggesting everyone stops mowing their lawns… and as usual, the lads are answering your gardening questions.