Summary: In this episode, Carol is looking at one of the gems of early spring - the crocus, and meets world-renowned crocus expert Brian Mathew. Over the next few weeks, Joe is looking at gardens that thrive despite their extreme locations. He starts in west Wales in a bog garden; looking at plants that love the rainfall and soggy soil. Rachel visits a fabulous rose garden, home to over 2,500 different varieties and the perfect place to see how our tastes and fashions in roses have changed over the 20th century. Meanwhile, back at Longmeadow, Monty is showing us what we can do now to guarantee a fantastic display of roses in the summer. He is also adding to his woodland spring planting and chitting his potatoes in anticipation of creamy new potatoes later in the year

Summary: Monty tackles the problem of box blight in his garden at Longmeadow. It means taking drastic action, but in the long term will hopefully be for the best. Carol Klein looks at the spring delight that is the cyclamen. She meets one of the country's leading experts in this most delicate of hardy plants and uncovers just how easy they are to grow. Joe Swift visits a gardener taking on the challenges of gardening on the windswept Cornish coastline, to create a haven of beauty against the odds. And we meet an amateur gardener who breeds a stunning array of sweet peas to make the most fragrant and colourful displays

Summary: Gardeners' World continues with more timely spring tasks to keep our gardens looking their best. Monty Don is pruning his buddleja and sowing seeds for a stunning summer display. Carol Klein meets a young family in Gloucestershire who are just getting started with their first garden. Over the course of the year, Carol will be helping and advising them on how to transform their small space into a lovely multifunctional family garden. Joe Swift visits a gardener in Northumberland who copes with temperatures of -18C in the winter and 30C in the summer. Despite these extremes, she has succeeded in developing a wonderful garden she can enjoy all year round. And we meet a grower whose love of butterflies and bees has inspired his fabulous and extensive collection of buddleja.

Summary: Carol Klein continues to take a closer look at the nation's favourite plants and meets the people who dedicate their lives to them. This time she's admiring the daffodil. Plus a visit to dahlia enthusiast Darren Everest on his allotment in Kent. He knows a thing or two about dahlias - he's been growing them, in all shapes and sizes, since he was just 11, and showing them, with great success, since he was a teenager. In his own garden, Longmeadow, Monty Don pots up his own dahlia tubers, and offers tips for getting the best results later in the year. And Joe Swift meets a Lancashire gardener who has spent 20 years creating a spectacular garden on a rocky cliff-face behind her home.

Summary: Monty Don overhauls his ornamental grasses with tips along the way on how to get rid of the larger overgrown plants. Rachel visits a garden in Cornwall full of hydrangeas. Carol looks at how the gardeners are progressing and helps them lay a lawn.

Summary: At Longmeadow, Monty Don finishes rejuvenating his dry garden, a sun-baked corner of the garden that had become overrun by thuggish plants. He has advice on how to make the most of a dry border where the soil is poor, with suggestions of plants that will thrive in these conditions. Carol Klein is in the rather exotic setting of Abbotsbury Subtropical Gardens in Dorset, meeting camellia expert Jennifer Trehane. Abbotsbury is vibrant with colour from their stunning camellia collection at this time of year, so it is the perfect place for Jennifer to share her wealth of knowledge about this much-loved plant. And we meet auricula enthusiast Patricia Cleveland-Peck and delight in her collection of these show-stopping plants.

Summary: The long Easter weekend offers lots of opportunity to really get cracking in the garden. Monty Don has suggestions for beautiful climbers that thrive in shady spots and gets on with planting up his vegetable garden. Carol Klein returns to help first-time gardeners Dan and Dominique, and guides them in what to look for at a garden centre as they hunt out trees and shrubs for their new borders. And Joe Swift visits a very special quarry garden in Staffordshire racing to get ready in time to open to the public on Easter Sunday, despite being hit by the severe winter storms.

Summary: Carol Klein visits eminent plantsman Keith Wiley at his garden in Devon, which celebrates the exquisite dog's tooth violet. Keith is passionate about these unsung woodland plants. Rachel de Thame visits the Royal Botanic Garden in Edinburgh to take a look behind the scenes at their world-renowned collection of alpines and find out what it takes to keep their fantastic display at the peak of perfection. And at Longmeadow, Monty Don cracks on with some timely tasks and makes a start on planting up a yew hedge.

Summary: The programme comes from the renowned RHS Malvern Spring Festival, otherwise known affectionately as the plants and people show. Monty Don gets an exclusive behind-the-scenes look at the impressive displays, plants and show gardens on offer. Meanwhile, Carol Klein seeks out this year's show stoppers in the fabulously scented floral marquee and Joe Swift gets an inside track on the motivation and inspiration behind some of the stunning show garden designs.

Summary: With the growing season well and truly underway, Monty Don turns his attention to planting out his sweet peas and potting up lilies. Carol Klein returns to Gloucestershire to help first-time gardeners, Dan and Dominique, plant up their new border in the style of a cottage garden. And we meet newsreader, Sophie Raworth, to find out why plants and gardens are so important to her in the run up to the Chelsea Flower Show.

Summary: Monty Don offers advice on making the perfect herb garden and plants out some beautiful garden stalwarts in his cottage borders at Longmeadow. We meet Carrie Thomas in Swansea, who holds the National Collection of aquilegias, and celebrate all that this theatrical, delicate flower has to offer. And Carol Klein is with new gardeners Dan and Dominique, giving their veg patch a necessary kick-start. She helps them make the most of their new raised beds, and gives them tips on how to grow the tastiest root and salad crops.

Summary: Monty Don and the team celebrate the start of summer as they indulge in the stunning array of colour and scent beginning to take over our gardens. Carol Klein continues her celebration of great plants and the people who champion them. In this episode she's with Billy Carruthers in West Lothian, enjoying his wonderful and varied collection of flamboyant peonies. Joe Swift visits world-renowned opera venue Glyndebourne, in Sussex and is given an exclusive, behind-the-scenes tour of their gardens only days before the opera season begins and the gates open to the public.

Summary: Carol Klein and Joe Swift are at Gardeners' World Live in Birmingham. Joe casts an expert eye over the spectacular show gardens, while Carol focuses on the delights of the floral marquee. Meanwhile, Monty Don catches up with various tasks at Longmeadow to ensure that his garden stays in tip-top condition all summer long.

Summary: With the Wimbledon tennis championships just around the corner, Joe Swift meets the gardening team responsible for the spectacular floral displays at this world-renowned event. Carol Klein is in Cornwall meeting a couple that grow a huge range of gloriously scented honeysuckles from all over the world. She compares our native varieties with the Mediterranean and American hybrids, and learns which of them are most suited to our own gardens. And Monty Don is at home at Longmeadow, with some timely seasonal tips for getting the very best from our flowers and vegetables.

Summary: With the garden growing before his eyes, Monty Don has plenty to be getting on with at Longmeadow. In preparation for beautiful late summer grass borders, he fills the gaps that the diseased box hedges have left with grasses he has raised from seed. Joe Swift casts his designer's eye over a city garden in London and highlights the key principles to be kept in mind when making the most of a small space. And we pay a visit to a stunning arts-and-crafts-style garden, High Glanau Manor near Monmouth, where colour and proportion come together in perfect harmony.

Summary: Monty Don welcomes us to his garden at Longmeadow and offers some timely tips on keeping gardens at their best right through to the end of the season. Carol Klein meets wildlife enthusiast Steve Head to discover more about the wildlife that depend on the habitat our garden ponds provide. And Joe Swift gets an exclusive behind the scenes tour of the private gardens at Eton College, that counts prime minister David Cameron amongst its long list of VIP ex-pupils.

Summary: This week, Gardeners' World is all about pots! Monty Don takes a look at the use of pots and containers and revels in their versatility, practicality and potential, and shows us how best to use them in our own gardens. Carol Klein returns to Stroud to see how the new gardeners are progressing and helps them select the perfect plant combinations for containers on their shady patio. And we meet blogger and writer Niki Preston, who reveals how gardening using containers changed her life.

Summary: Monty Don's garden at Longmeadow is now under full sail but needs a gentle steer to keep it looking beautiful all summer long. This week Gardeners' World is all about tweaking and tidying, whether it's thinning or pruning trees, improving the soil or collecting seeds from spring and early summer-flowering plants, there are plenty of small jobs still to be done in the garden. Carol Klein is in Kent meeting lavender expert and breeder, Dr Simon Charlesworth, whose stunning walled garden is packed with many varieties of this beautifully scented plant. And Joe Swift visits the founder of the Mulberry fashion label, whose Somerset garden is a design classic

Summary: Carol Klein is in Hampshire with the horticulturist Roy Lancaster, appreciating the virtues of the often overlooked St John's wort. Joe Swift is out and about and vists a very unusual allotment in Tottenham, north London. And Monty Don is at Longmeadow where he reveals the secrets of his success when making homemade compost.

Summary: Monty Don's garden at Longmeadow is thriving in the summer sunshine and is looking more beautiful by the day. But the warm, wet weather has meant the hedges are growing like crazy and are in need of a good haircut. Monty has tips on how to best tackle this annual task. Carol Klein returns to first-time gardeners Dan and Dominique in Gloucestershire where there's work to be done. There are borders to weed and plants to propagate so they have more of their favourites, for free, next year. And Rachel de Thame visits Coleton Fishacre in Devon, a beautiful seaside garden that has become a haven for all sorts of unusual plants.

Summary: It is summer and it is the perfect time to get out and about visiting gardens. With that in mind, Monty Don leaves Longmeadow to explore the beautiful gardens at RHS Hyde Hall in Essex. He seeks inspiration from their amazing dry garden and discovers how they manage to keep their lawns looking pristine in such a hot summer. Carol Klein travels to RHS Wisley to learn more about the creatures that inhabit our beds and borders. She finds out which insects visit our flowers, feed on our foliage and, most importantly, help keep our plants healthy. And we meet a couple in Bournemouth whose extraordinary front garden never fails to wow the RHS Britain in Bloom judges.

Summary: As August draws to a close, Monty Don turns his attention to his ornamental grass borders. They are just coming into their prime but are in need of some late summer colour. Carol Klein travels to Cheshire to meet a man who is on a mission to find the best performing heleniums for British gardens. Plus Joe Swift is treated to a Jamaican feast when he visits Moor Green allotments in Birmingham.

Summary: For many gardeners, the beginning of September is the start of a new season. Monty Don embraces this shift as he harvests an abundance of delicious produce at the same time as looking ahead to the spring. Carol Klein continues to explore the wonders of the fauna visiting our gardens and travels to Shaftesbury to meet wildlife enthusiast Brigit Strawbridge. Together, they explore the nooks and crannies in her tiny garden to find out what wonderful creatures dwell in these hidden places. And we visit a hospital in Salisbury where a very special garden, designed by Cleve West, is helping spinal injury patients on their difficult road to recovery.

Summary: As the last days of summer start to fade and autumn takes hold, it is time to start planning ahead for next year. At Longmeadow, Monty Don adds some foxtail lilies to his dry garden for a touch of drama in May and June. Carol Klein is in Kent visiting salvia expert William Dyson to find out where these exquisite plants come from, how many colours there are to choose from and what they need to thrive in the UK. And we meet a remarkable woman from a family of gardeners on the eve of her 100th birthday.

Summary: As autumn gathers momentum, there is still plenty to do in the garden. Monty Don cuts back his wildflower meadow and, with an eye on some early season colour, makes a start on planting up his spring containers. Joe Swift learns the importance of allotment beekeeping when he visits an award-winning plot in Bristol. And Carol Klein travels to Dorset to meet Neil Lucas, one of the country's leading experts on ornamental grasses.

Summary: As well as catching up with various tasks at Longmeadow, Monty Don meets world-renowned garden designer, Piet Oudolf, at his latest creation in Somerset. He gets to grips with Oudolf's iconic naturalistic planting and explains how this style can be adapted to other gardens. Meanwhile, Carol Klein goes tree climbing in Bristol to find out how important these precious havens are for urban wildlife.

Summary: With the arrival of October, it is time to start thinking about getting some garlic in the ground. Monty Don shares his secrets on how to get a successful crop. Carol Klein takes first-time gardeners Dan and Dominique for a day out in Devon. They are on the hunt for some seasonal inspiration for their new garden, and what better place to look than RHS Rosemoor? And with the bulb-planting season well and truly upon us, we meet a daffodil enthusiast in Port Stewart, County Londonderry, who would never be without these cheery harbingers of spring.

Summary: In the first of four films, we find out how Rachel de Thame got on over the past year as she attempted to grow her own cut flowers. Carol Klein helps first-time gardeners Dan and Dominique plant up a range of tasty fruit in their new garden in Gloucestershire. And if you're still in a quandary about what to grow in your winter pots this year, Monty Don may well have the answer. With scent and colour very much in mind, he plants up a showstopper that will get your neighbours talking.

Summary: As autumn gathers momentum, it's time to start putting the garden to bed for winter. Monty Don has some timely advice on what to do. Carol Klein meets a nurseryman in Herefordshire and together they indulge in the seasonal beauty of the Japanese maple. And there's the next instalment of Rachel de Thame's cut flower garden diary as we join her back in April when she plants up Verbena bonariensis and takes inspiration from a glorious cutting garden at Parham House in West Sussex.

Summary: As the days get shorter, it's a busy time in the garden. Monty Don cracks on with his seasonal tasks at Longmeadow, giving hints and tips along the way. Carol Klein visits first-time gardeners Dan and Dominique for the very last time as they get their garden ready for winter. And we catch up with Rachel de Thame's cut flower garden diary. It's July and her beds are flourishing.

Summary: Monty Don prepares his garden for winter and takes stock of his year at Longmeadow. The team visits RHS Wisley to learn more about some of the fungal diseases that can wreak havoc with plants at this time of year. Carol Klein is at home in Devon celebrating her wildlife hedge and all the creatures that depend upon it. And in the final instalment of her cut flower diary, Rachel de Thame shares her tips on how to cut and arrange flowers as she prepares for a family party.