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eatenSow seeds of tomatoes, cucumbers, peppers and other greenhouse crops in a heated propagatorPot up begonias individually once new leaves have developedTake cuttings from houseplants including African violetsContinue sowing seeds of summer bedding

and morning glory (Ipomoea)Grow an early crop of dwarf French beans in a large potRepot any top-heavy or pot-bound houseplantsStart feeding young plants about 3-4 weeks after potting up in fresh compostPot up rooted cuttings and seedlings

Increase greenhouse shading if temperatures inside are getting very hotTake cuttings from houseplants such as weeping figs and Christmas cactiDamp down the greenhouse floor every morningWater pots and growing bags dailyPlace potted tagetes near

Tie greenhouse tomatoes to their supports as they growFeed plants with full-strength fertiliser solution once a week, or apply a more diluted feed every few daysApply shading paint or put up shade netting or blindsOpen doors and vents daily

Damp down the floor every morning and open ventsWater tomatoes regularly to prevent fruits splittingSow Primula malacoides and P. obconica for flowering pot plants next springHang yellow sticky traps in the greenhouse to help control whitefly

can cause split fruits and blossom end rotThin out bunches of grapes with pointed scissorsPinch out shoot tips on coleus to encourage plants to branch, and remove any flowers that formPropagate pelargoniums from cuttings during July and August to grow

are getting too highSow primulas, calceolaria, cineraria and cyclamenPinch out sideshoots on tomatoesPot up houseplants that have become top heavy or pot boundTake leaf cuttings from houseplants including Begonia rex, African violets, streptocarpus, crassula

immediatelySow sweet peas in pots for early flowers next summerTake cuttings of succulents such as sedumsMove potted peaches and nectarines under coverBring pots of late-flowering chrysanthemums into the greenhouseStop watering pots of achimenes, gloxinia

Insulate your greenhouse with bubble polythene for winter insulationTake final cuttings of tender plants as soon as possible

insideThin bunches of greenhouse grapesTake cuttings from pelargoniums, fuchsias, marguerites, penstemon, carnations, diascia and many othersDamp down the greenhouse floor each morning on hot days to increase humidityStand pot plants on capillary matting