Costa visits a farm in the middle of Sydney; Jane explores the garden of Dame Nellie Melba; we meet indigenous author & historian Bruce Pascoe; Millie tackles a challenging courtyard; Tino shares his recipe for soil success.

Costa and Sophie look at a project growing a new food crop in Darwin; Millie meets the landscape architect behind a wetland habitat garden; Josh looks at native plants for problem spots; Jerry propagates warm-season herbs.

Costa and Jane enjoy a Tamil feast; Tino prepares a garden for a big party; Sophie discovers the botanicals used to make beauty products and we meet guest presenter Steven Wells, who creates healing gardens.

Costa Georgiadis visits a plantsman's garden; Tino Carnevale and Millie Ross try some unusual vegie-growing containers; Josh Byrne shows how a storm drain became a park and Sophie Thomson gives an overview of her garden.

Josh Byrne puts the finishing touches to his greenhouse project; Costa Georgiadis meets a generous footpath gardener; Jane Edmanson explores some fragrant foliage and Steven Wells visits a garden set up for families in need.

Costa Georgiadis goes foraging for edible seaweed, Sophie Thomson visits an artist's garden, Tino Carnevale revels in autumn colour and Josh Byrne shows Millie Ross around his garden.

Jane Edmanson visits some gardeners in the village created by designer Edna Walling; Costa Georgiadis meets four generations of a family sharing a garden in Geelong and Jerry Coleby-Williams shares a Gold Coast garden gem.

After helping Millie Ross build a temporary shed, Costa Georgiadis makes za'atar pizza; Sophie Thomson plants a citrus orchard, Josh Byrne tastes some Aussie plants and Tino Carnevale explores slime moulds.

Sophie Thomson explores the world of wormwoods, Millie Ross makes some seed bombs, Tino Carnevale explains crop rotation, and Jerry Coleby-Williams makes the ultimate vertical garden - an aquaponic green wall!

Costa meets guest presenter Paul West; Sophie weaves an egg basket; Millie visits a chicken expert; Josh explores a special school garden, and Jane heads to a nursery specialising in perennial plants.

Tino Carnevale shares his family's passata-making tips; Millie Ross plants a cubby; Jane Edmanson meet young people whose lives have been changed by gardening and we explore the garden roles of bugs, guinea pigs and chooks.

Jane Edmanson visits a home full of indoor plants; Costa Georgiadis finds a roof garden on a block of flats; Sophie Thomson builds a wicking bed; Tino Carnevale discovers Antarctic gardening; and Millie Ross grows a seat.

Tino Carnevale helps build a veterans' garden; Jane Edmanson discovers the commemorative power of poppies; Costa Georgiadis gets cooking with chef Ben Shewry; and Sophie Thomson sees a pool transformed to a pond.

Jerry Coleby-Williams explores a wildlife corridor, Jane Edmanson meets a dahlia fancier, Costa Georgiadis visits the Blue Mountains, and guest presenter Paul West cooks up a pumpkin treat.

Sophie Thomson explores the origins of Adelaide's free food carts; Costa Georgiadis meets fresh food fan Dr Sandro Demaio from ABC's Ask The Doctor, and Josh Byrne visits the Perth garden of author Deryn Thorpe.

In our Stargazing special, Jerry Coleby-Williams explores what's happening in his garden at night; Millie Ross builds a box to welcome microbats; and Josh Byrne builds some covers to keep cats off his vegie patch at night.

Tino Carnevale meets friends who met via a garden program, Costa Georgiadis builds a frog bog at a preschool, Sophie Thomson meets volunteers who have replanted a woodland and Jerry Coleby-Williams looks at volunteer plants.

To celebrate winter Costa explores a space-saving garden, Sophie Thomson visits a carbon offset forest, Jane Edmanson finds some rare plants, Tino Carnevale plants ornamental veg, and Millie Ross builds a chook house.

Jerry Coleby-Williams harvests sugar-bag honey, Costa Georgiadis explores a green industrial site, Jane Edmanson visits a garden for outdoor living, Tino Carnevale has a clean up, and Millie Ross plants four-season colour.

Millie Ross shares her tips for gardeners who rent, Costa Georgiadis visits a family who make the most of their tiny space, Josh Byrne meets a legend of botany and Jane Edmanson explores an inspiring Gippsland garden.

Josh Byrne takes us on a tour of WA's best wildflowers, Sophie Thomson visits a date farm, Millie Ross & Squid go hunting for truffles and Tino Carnevale checks out the giant pumpkins at an old-style country show.

Millie Ross suggests Aussie plants to grow indoors, Costa Georgiadis discovers some rare camellias, Jerry Coleby-Williams meets a Tillandsia expert and Jane Edmanson discovers great food can be grown in tough spaces.

Costa Georgiadis visits chef Peter Gilmore's garden, Sophie Thomson plants summer-flowering bulbs, Jerry Coleby-Williams suggests onion substitutes for sub-tropical gardeners, and Jane Edmanson explores a native garden.

Millie Ross meets an artist who creates cultural works with plants, Costa Georgiadis visits Clarence Slockee in his garden, Jerry Coleby-Williams shows different ways to propagate, and Josh Byrne plants out a wetzone.

Jerry Coleby-Williams visits a garden of old-fashioned plants, Josh Byrne explores an art display that questions our ideas of weeds, Sophie Thomson meets a nut tree expert and Tino Carnevale has tips for newbie gardeners.

Millie Ross and Costa Georgiadis learn how to read the plants in Kakadu, Jane Edmanson admires some winter magnolias, Josh Byrne shows how to keep your vegie patch productive, and Tino Carnevale gets some tips on grafting.

Sophie Thomson gets a master class in pruning wisteria, Jane Edmanson pots up winter-flowering natives, Costa Georgiadis meets an urban farmer, Millie Ross plants a berry patch and Tino Carnevale makes a propagation unit.

Josh Byrne explores a water-cleaning wetland, Jane Edmanson meets a chef who hates waste, Costa Georgiadis sees how plant pots are recycled, and Millie Ross meets a team saving coffee grounds from the tip.

Jane Edmanson explores the wonders of Lord Howe Island, Jerry Coleby-Williams meets a man breeding the perfect purple corn, Millie Ross has some mid-season crop solutions, and Sophie Thomson is being a plant detective.

Jane Edmanson meets Lord Howe Island's weed team, Jerry Coleby-Williams shows how to grow bananas, Costa Georgiadis meets a family of camellia growers, and Josh Byrne finds a garden at his local intensive care unit.

Costa Georgiadis is at Queensland's Garden Expo, Tino Carnevale plants a 3D patch, Josh Byrne picks some native groundcovers, Sophie Thomson describes her more unusual vegetables, and we meet a man who only grows peonies.

Jane Edmanson plants a bed for summer cut flowers, Millie Ross meets a woman devoted to saving an endangered plant, Costa Georgiadis visits an unusual farm in Byron Bay, and Josh Byrne explores hectares of hidden tulips.

Jane Edmanson meets a bonsai artist who grows native trees, Josh Byrne suggests some tiny eucalypts, Sophie Thomson discovers an Aussie shrub that keeps pests off lettuces and Clarence Slockee shares his top bush herbs.

Tino Carnevale shares his tips for perfect soil, Josh Byrne sets up his garden for tomatoes, Jerry Coleby-Williams meets a tropical fruit expert, and Sophie Thomson plants a herb garden to complement her outdoor pizza oven.

Costa Georgiadis decorates his beard for Canberra's Floriade; Jerry Coleby-Williams gets the low-down on growing passionfruit; Tino Carnevale visits a Gondwana-themed garden and Millie Ross visits a garden designer at home.

Costa Georgiadis meets a designer who sees beauty in imperfection, Millie Ross builds a no-dig vegie bed, Josh Byrne explores the plants of WA's ironstone ranges, and Jerry Coleby-Williams meets sub-tropical rose growers.

Josh Byrne meets a team of young urban gardeners, Jane Edmanson explores an inner-city courtyard, Tino Carnevale builds a range of supports for summer vegetables and Millie Ross converts a container for alpine plants.

Sophie Thomson meets the outback growers bringing native bush foods to the nation, Tino Carnevale shows different ways to prune cherry trees, and Jane Edmanson cooks vegetable dumplings with gardening chef Angie Chong.

We meet Invictus Games rider Peter Rudland, who finds therapy in bonsai; Jane Edmanson visits an iris show, Millie Ross has tips on picking the best seedlings and Jerry Coleby-Williams suggests some unusual perfumed plants.

We tour the gardens of five finalists for the 2018 Gardener of the Year award. Costa Georgiadis solves inner-city problems in Leigh Sales' garden. Millie Ross shows how to make seeding pots from newspaper.

In the final episode for 2018 Costa visits garden designer Paul Bangay; Sophie Thomson meets school kitchen gardener Stephanie Alexander, Jane Edmanson checks out kentia palms, and Millie Ross starts a vegie bed from scratch.