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in as much light as possible Prune greenhouse vinesPick off faded leaves from plants to prevent spread of fungal diseasesSow lettuce, leeks and onions in a heated propagatorSow greenhouse tomatoes for early pickings

Raise lettuce and salad crops in pots for early pickingsWater potted fuchsias sparingly to prevent compost drying out completelyPrune grapevines before they come into growth, when their sap starts risingBring pots of strawberries under cover

from chrysanthemumsPick faded or yellowing leaves from plants to prevent grey mould infectionsRaise crops in modular trays to transplant into the garden later, such as celery, celeriac, lettuce, parsley and other herbs

Top up fuel tank of paraffin heater every eveningBring potted hyacinths and bulbs under cover to bloomMake a sowing plan for raising greenhouse crops and bedding plants, and order seeds Bring potted peaches under cover to prevent an attack of leaf

Plant hippeastrum bulbs for spring displaysInsulate your greenhouse with bubble polythene for insulationVentilate greenhouses on warm, dry daysUse rainwater to keep the compost of potted azaleas constantly moistCheck fuel levels in paraffin and gas

to reduce the spread of diseaseCheck dahlia tubers and bulbs in store for signs of rotPick off fading or diseased leaves from pelargoniums and other plantsContinue ventilating the greenhouse on warm daysCut down chrysanthemums after floweringPrune dormant

Clear leaves from greenhouse guttersCheck heaters daily to ensure they are working efficiently and that fuel levels don't need topping upPick off dead flowers and leavesWater overwintering plants such as pelargoniums sparinglyWash glazing inside

and kalanchoePick peppers, tomatoes, cucumbers and other greenhouse crops regularly to encourage further flowers to develop

Train cucumbers and prune back sideshootsPick off flowers on coleus to maintain their colourful leavesWater tomatoes regularly to prevent fruits from splittingTake cuttings from fuchsias, coleus, pelargoniums, marguerites and other tender perennials

Plant prepared hyacinth bulbs in special hyacinth vases (available at garden centres) or in pots of bulb fibreSow parsley in modular traysWater crops in growing bags and potsOpen vents each day, but close them at night if the weather turns cold