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May Garden Guide

Winter is on its way, start getting your garden winter ready. Clear the fallen leaves and other debris out of your gutters. Start cleaning up last of the summer and autumn crops and plant some new winter vegetables.

Harvest Time:

Beans (all types except broad beans), beetroot, broccoli, cabbages, carrots, cauliflowers, celery, courgettes, lettuces, marrows, parsnips, peas, pumpkins, tomatoes.


Direct sow the seeds of cornflowers, sweet peas, alyssum, linaria, lobelia and Virginian stock. Also start sowing these winter veggies: broad beans, beetroot, celery, peas, cabbage, carrots, cauliflower, spinach, onions, lettuce, garlic, leeks, parsnips and turnips, parsnips and parsley.

Hot Tip:

Encourage efficient sweet pea growth by mulching regularly, snipping off new tendrils and side shoots and using a trellis or stake to keep individual plants upright.


Plant these seedlings: pansies, carnations, dianthus, cineraria, phlox, salvia, poppies, verbena and primula. Plant these bulbs: iris, freesia, ixia, narcissus, chincherinchee, ranunculus, sparaxis and tritonia.


Azaleas, camellias and tea bushes with a handful of 3:1:5 per bush. Mulch with compost and keep well-watered.

Lawn with a handful of 2:3:2 per square metre.

Spring-flowering bulbs with bulb food and keep the soil moist at all times.

Indoor plants like calceolarias, cinerarias, cyclamen, daffodils, hyacinths, jonquils, narcissi, poinsettias and primulas every two weeks with a liquid fertiliser. Water every three days or when the soil feels dry.

Discontinue feeding other pot plants. Water less frequently, but don’t let the plants become dry.


Spray roses, pelargoniums and geraniums with a fungicide like to prevent rust, mildew and black spot. Spray under the leaves too.


There will be differences between crop timings depending on where you live, and the variety of vegetable grown. Always factor in climatic differences when sowing, planting and harvesting.