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hardy annuals in late March and into April, digging over, weeding and enriching the soilLift and divide congested border plantsPlant out lilies to fill gaps in borders, or grow them on in pots Trim winter-flowering heathers

, to promote new growthLift and divide large clumps of hostaTrim winter-flowering jasmine and tie in new shoots to supportsSprinkle granular fertiliser around clumps of spring bulbsFinish pruning roses as soon as possibleCut down all previous year's growth

to it for supportCut down pulmonarias and doronicum, then drench the soil around them with a liquid feedLift and divide clumps of primulasCut back the foliage of daffodils to clear beds for summer plantingTrim leaves and faded flowers from oriental poppies

Lift, divide and replant congested flag irises after floweringDeadhead border perennials like delphiniums and lupins to encourage a second flush of bloomsPick dead flowers off rhododendronsDeadhead roses to encourage more flowersCut back ceanothus

to summerCover broad beans and peas with cloches for winter protectionLift and divide large clumps of rhubarbCut down Jerusalem artichokes then dig up and store tubers in buckets of dry compostPrune sideshoots on gooseberries back to about 5cmPile earth up

of leaf spot diseasePrune wall climbers away from window frames and guttersLift and divide congested snowdrops when in leaf, also known as 'in the green'Prepare plant supports ready to pop into position to support tall or floppy perennials

Irises can become congested over time, which tends to inhibit flowering. This can be remedied by lifting and dividing their rhizomes to give them a little more space. Wait until flowering is over before dividing the iris clump, discarding any old

of the oldest stems from currant bushesLift and divide congested clumps of rhubarb, replanting into soil enriched with well-rotted manure

to a length of about 20cmLift, divide and replant healthy portions of flag iris rhizomes into freshly prepared soil. Reduce their leaves by half to prevent wind rockWater sweet peas and give a liquid feed. Pick flowers or deadhead regularly

Cottage, North Devon.The first episode covered January and February. Carol showed how to lift and divide snowdrops in her woodland garden, then demonstrated a rarely seen propagation technique called twin scaling. This technique is much used