Costa starts a salad patch, Josh plants up a green wall, Tammy taste tests unusual citrus, Millie visits a regional community united by native plants, and we stroll through a country garden that has colour for all seasons.

Tammy visits a poppy-filled paradise, Millie refreshes spring crops, Costa explores a project tackling homelessness, Josh plants a cat run, Hannah unveils her greenhouse, and twins researching native snails and weevils.

Costa pots up a mini fern forest, Clarence starts a no-mow lawn, Sophie visits a cooling urban oasis, Josh explores a garden with year-round food for native birds, and Jane meets a master in the art of making clay flowers.

Costa finds a plant-filled coworking space, Tammy makes mini greenhouses, Hannah tackles a steep slope, Jerry grows plants for protein, Millie turns a BBQ into a potting bench, and we meet an artist sculpting from scraps.

Costa explores gardens featuring versatile natives, Clarence pots up WA wildflowers, Millie visits a colourful orchid show, Jerry meets a botanical artist, and we visit a mother-daughter duo with a passion for succulents.

Costa meets a young citizen scientist searching for peacock spiders, Clarence visits a native grafting expert, Jane explores an aloe collection and we meet environmentalist Professor Tim Flannery.

Costa visits a subtropical cottage garden, Millie does a deep dive on thinning seedlings, Sophie drops into an inspiring Coastcare project on the Eyre Peninsula, and we meet native plant growers and authors in the Grampians.

Jane escapes to a tropical conservatory, Hannah visits a bird-friendly native garden, Tammy harvests ginger with a productive gardener, Josh explores a yard full of local species, and we meet the founder of Plastic Free July.

Costa visits garden designer Michael Cooke, Millie meets a wildflower grower, Jerry hops on the Kuranda Scenic Rail, Jane explores a succulent wonderland, and we meet passionate collectors of irises, bromeliads, and cacti.

Costa gets a taste of Kakadu cooking, Clarence leads us through his gardening journey, Josh learns to identify Noongar seasons, Jerry celebrates the Bunya Pine, and we visit a team passing on Arrernte language through plants.

Costa joins a dedicated community of composters, Clarence explores a native cliff top garden, Jane finds an incredible fern collection, Millie does a strategic garden refresh, and we meet contemporary artist Janet Laurence.

Costa picks plants for winter colour, Jerry has the latest on the fire ant outbreak, Sophie meets a local garden hero, Millie Ross grows bare root plants, and we meet a landscape designer in their luxurious tropical garden.

Hannah prunes apples and pears, Tammy meets a bonsai master, Jerry finds a subtropical garden full of dryland plants, and Josh heads inland, where a couple are learning ways to grow vegies despite having minimal water.

Millie, Costa and Sophie answer a range of gardening questions, Millie goes behind the scenes to see how the show waste is recycled and Costa looks at the history of the Carlton Gardens site and the Royal Exhibition Building.

Costa discovers how a sauna can save frogs, Sophie gets expert camellia tips, Jerry visits a grand cottage garden, Clarence creates a tower of flowers, Josh prunes fruit trees, and we meet a passionate lavender farmer.

Costa visits a prolific native nursery, Hannah heads out on a bush food walk, Clarence explores a well-designed native garden, Jane meets a 91-year-old still gardening daily, and we meet a couple crafting native bee hotels.

Costa gets playful with planting design, Josh tackles Queensland Fruit Fly, Millie offers autumn colour options, Hannah visits a heritage garden preparing for climate change, and we meet a team conserving rare native plants.

Costa explores a huge tropical collection, Sophie meets a seed-saving farmer, Millie plants an asparagus patch, Jane pots up alpine plants, Clarence shares how to green up your lawn, and Hannah meets bush regeneration heroes.

Costa meets a dedicated young vegie grower, Jerry has strategies for growing in the shade, Millie explores a dreamy flower garden, Josh demos stress-free transplanting, and we meet two friends with a passion for pelargoniums.

Costa tours a suburban homestead, Hannah visits a dahlia farm, Sophie meets school kids restoring a creek, Millie discovers how geology impacts plants, Tammy grows tropical Medinillas, and we meet a collector of rare species.

Costa explores a native rental garden, Jane shows us a clever courtyard design, Tammy creates a tiny terrarium garden, Millie finds a small-scale kitchen garden, and Josh Byrne heads into a jaw-dropping indoor jungle.

Costa discovers the history of cacao, and crafts dyed Easter eggs; Millie makes a holiday herb basket; Josh meets an industrious marsupial; Sophie visits Maggie Beer's garden; we meet an illustrator inspired by native plants.

Costa finds a green-walled rental; Hannah visits Bruny Island; Millie plants winter seeds; Josh explores a tropical oasis; Tammy preserves flowers; Jerry busts myths about natives; Sophie profiles tough Mediterranean plants.

Costa tours revitalised Goulburn wetland; Jane explores a shady native garden; Clarence visits a grass-growing nursery; Tammy immerses herself in native flowers; and we meet an ethnobotanist who records Indigenous knowledge.

Costa explores medicinal plants; Hannah health checks her worm farm; Millie visits a productive rental patch; a special guest follows the journey of a huge tree transplant; and we meet an artist working with native timbers.

Hannah grows flowers for picking; Clarence checks out a trial garden; Jerry grows gluten free staples; Sophie plants a carnivorous bog; Tammy sows waratah seed; Jane meets a palm collector; and we meet young urban farmers.

Costa finds a field of sunflowers; Clarence profiles underrated natives; Jerry tours a colossal cacti collection; Millie shines a light on witlof; Jane cracks into macadamias; we visit a landscape architect's country garden.

Costa meets an unstoppable gardener, Sophie combines edible and ornamental plants, Hannah tours a huge restaurant garden, Josh visits a community nursery, and we meet a gardener advocating for accessibility.

Tammy tours a designer garden, Costa visits a school farm, Jerry controls monster plants, Millie shares garden lessons, Josh explores unique natives, Clarence profiles Lilly Pillies, and Sophie admires garden glass artworks.