Gardeners' World Season 42 Episode release dates & where to watch

1. Greenacre Begins

Toby and the team begin to transform a muddy field into the nation's new back garden.

2. Dig In Campaign

Toby and the team launch the Dig In campaign, encouraging the nation to grow its own grub.

3. Twilight Garden

Gardening magazine. Toby starts planting up the new 'twilight garden'.

4. Toby Works on the Pond

Toby works on the pond and Carol reveals her final three proteges for gardening school.

5. Malvern Show

The team are at the 24th annual Spring Gardening Show in Malvern, Worcestershire.

6. Root Cuttings

Carol Klein's apprentices tackle root cuttings of garden favourites.

7. Bee Friendly Garden

Toby Buckland and Alys Fowler explore ways of making gardens more bee friendly.

8. Plant Annual Plugs for Colour

Toby Buckland plants out the annual plug plants ready for a summer of vibrant colour.

9. Revisit Projects at Greenacre

The team revisit many of the exciting new garden areas and ambitious projects at Greenacre.

10. RHS Gardens at Rosemoor

Toby visits the RHS garden at Rosemoor and gets tips on how they maintain the displays.

11. RHS Gardens at Wisley

Toby Buckland, Carol Klein, Joe Swift and Alys Fowler give a few professional pointers to help you groom your garden to perfection. Toby finds himself up to his waist in water lilies at the RHS gardens at Wisley, and shows us what water plants we should be adding to our small ponds. He also gets inspiration for Greenacre from their glasshouse, which is packed with exotic plants. Carol focuses her students' attention on the care of seedlings, shows them how to pot on plants and shares her in-depth knowledge of the most flamboyant plant in the summer garden - the dahlia. Joe is back on his allotment catching up on his crops, and in Design Made Easy, he gives advice on the best colourful climbing plants for pergolas. Alys joins Toby at Greenacre and, as well as catching up on all the seasonal gardening tasks, sows oriental vegetables.

12. RHS Gardens at Harlow Carr

Toby Buckland visits the most northern Royal Horticultural Society garden at Harlow Carr.

13. RHS Garden in Hyde Hall

Toby Buckland visits the RHS garden at Hyde Hall in Essex, inspiring his own dry garden

14. The Garden of Jessamine Cottage

Owner Lynda Brown describes the garden of Jessamine Cottage past and present.

15. A Seat From Sea-Washed Pebbles

Toby Buckland returns to his coastal garden to create a seat made from sea washed pebbles.

16. Best Plants in the Tropical Border

September is the month when exotic plants reach their exuberant best, and in the tropical border at Greenacre Toby shows us which plants have performed. Carol's favourite plant this week is the fiery crocosmia and she shows us the best ones to grow to set our borders ablaze. Now is the perfect time to get new lawns growing, and Toby gives us the lowdown on laying turf while Alys chooses the less expensive option of growing a lawn from seed. And Radio One DJ Sarah Cox invites us into her own garden to see how she and her family have benefited from her first year of growing vegetables.

17. Best Plants for Seed Harvesting

As some plants complete their life cycle in the garden, it's the perfect opportunity for the gardener to reap a bountiful seed harvest. Toby Buckland explains which plants to go for and how to collect and store them. For Carol Klein, late summer is the time when some plants are looking their most spectacular and, at Glebe Cottage, it's the Japanese anemone which is shining out from her borders. Joe Swift offers design tips for seating areas, and Toby joins him to make one with a contemporary edge at Greenacre. Plus, the garden of the first of the five finalists in the BBC Gardener of the Year competition is revealed.

18. Toby and Alys Plan for Spring

Toby Buckland and Alys Fowler plan for spring

19. It's Time to Plant Alliums

The judges visit the third finalist in the BBC Gardener of the Year competition

20. Toby Plants Japanese Azaleas

Toby Buckland is inspired by the Orient and adds Japanese azaleas to Greenacre.

21. Toby Plants a Black Currant

Toby Buckland plants a hazel nut tree and harvests the seeds from annual flowers.

22. Wrapping Plants Up for Winter

Toby Buckland explains which plants need wrapping up for the winter.

23. Getting the Garden Ready for Winter Finale

It's all systems go at Greenacre as the team get the garden ready for the winter ahead.