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and overwinter them in a coldframe.Keep the cuttings watered and shoots should start to appear next spring. Leave plants for at least 12 months before transplanting.AdamRemove a 1-2cm sliver of bark from the base of any variety that is shy of rooting, e

- September45 minutesYou can take cuttings from any type of rose you choose, but just make sure you select long, strong, healthy stems from this season's growth, not old wood.Make the cuttings 25cm long, cutting above a bud at the top to remove the shoot tip

a single leaf joint or pair of leaves aiming to create a finished cutting of 8cm - 10cm long. Carefully remove any leaves from the bottom half of the cutting.Fill a 10cm pot with cuttings compost, tapping it on the work surface to consolidate it

boardPotsFree-draining compost, equal parts multi-purpose and perliteClear polythene bagsJune - September1 hourRemove a healthy leaf, lay it on the cutting board and, using a clean, sharp knife, cut it into pieces the size of a large stamp. Each portion

Sharp knifeRooting hormone (powder or liquid)Wire or stick CompostHeavy stone June - September 30 minutesSelect a suitably low-growing and pliable young branch that will bend down to soil level. Remove any side-shoots but keep the cluster of leaves at the end

roots.Wash the roots in water to remove any soil. Using a sharp knife, cut off 5cm lengths of healthy roots. When you've finished taking cuttings, you can replant the parent plant.Fill pots with gritty compost and lay the root cuttings, well-spaced apart

them (they will turn brown and papery as they mature), and store in a cool, dry place.Calendula seedEnvelopeSilica gelAirtight containerautumn or spring20 minutesWhen the seedheads have developed fully, remove them from the plant and lay them on a sheet

the ground level.Dig a trench, 30cm wide by 20cm deep, and part fill with soil down its length to make a mound 10cm high. Take the asparagus crowns and sit them 30cm apart on top of the mound, spreading the roots on either side. Cover the crowns with 5cm

. Remove a generous bunch with secateurs.Squash the berries onto a sheet of kitchen towel and clean away the skin and flesh to expose the bare seeds. Alternatively, clean away the flesh by running them under the cold tap in a sieve.Fill a small pot

or in a heated propagator. Keep compost moist.Remove cover as soon as seedlings emerge and grow on in a warm place indoors. They are ready to be 'pricked' out when the first 'true' leaves emerge.Only handle seedlings by their first seed leaves. Fill a seed