What to do in your garden during April
Follow the tips beneath as a basic maintenance guide for your garden this April.
Plant & Sow
Annuals
Sow all summer flowering annuals:
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Dianthus (Carnation, Pink)
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Linum grandiflorum (Flax)
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Centaurea cyanus (Cornflower)
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Delphinium grandiflorum (Butterfly delpinium)
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Alcea rosea (Common hollyhock)
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Malcolmia maritima (Virginian stock)
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Iberis umbellata (Candytuft)
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Gaillardia pulchella (Blanket flower, Indian blanket)
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Clarkia amoena (Godetia whitneyi) (Satin flower, godetia)
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Campanula medium (Canterbury bell)
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Callistephus chinensis (Aster, China aster)
Sow these winter flowering annuals:
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Calendula officinalis (Pot marigold)
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Nemesia species (Nemesia species)
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Chrysanthemum paludosum (Creeping Daisy)
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Lathyrus odoratus (Sweet pea,)
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Clarkia amoena (Godetia whitneyi) (Satin flower, godetia)
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Linaria maroccana (Toad flax)
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Consolida ambigua (Larkspur)
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Felicia bergiana (Dwarf felicia, kingfisher daisy)
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Arctotis acaulis (Tufted arctotis,marigold)
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Viola cornuta (Viola)
Perennials
Iceberg roses – a constant bloomer and vigorous grower. Icebergs are ideal for mass plantings or containers. Gardenias – known as one of the most fragrant shade-loving plants. They have attractive evergreen glossy foliage that grows into a neat round bush. These beautiful plants love growing in well-drained, acid soil.
Vegetables
Sow vegetables like:
Beetroot; Broccoli; Brussels sprouts; Cabbage; Carrot; Cauliflower;
Celery; Leek; Lettuce; Onion; Parsley;
Parsnip; Radish; Runner bean; Spinach; Turnip
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Allium cepa (Onions)
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Petroselinum species (Parsley)
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Apium graveolens (Celery)
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Phaseolus coccineus (Runner bean)
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Raphanus sativus (Radishes)
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Lactuca sativa (Lettuce)
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Daucus carota (Carrots)
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Brassica oleracea var. capitata (Cabbages)
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Brassica campestris var. rapa (Turnips)
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Allium porrum (Leeks)
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Beta vulgaris var. esculenta (Beetroot)
Garden Maintenance
Fertilize
- Fertilize fruit trees like apples, apricots, cherries, nectarines, peaches, pears, plums and quinces.
- Fertilise annuals and bedding plants with a liquid fertilizer every 14 days.
General garden maintenance
- Mow the lawn if necessary.
- Water plants properly, giving them a thorough soaking every three or four days to encourage deep root development. Mulch well with organic
material. - Spray apples, pears and quinces against codling moth; and apricots, cherries, nectarines, peaches and plums against fruit fly. Spray grapes for mildew where necessary.
- Deadhead roses regularly and water two or three times weekly.
- Mulch the garden beds.
- Remember to deadhead annuals and bedding plants regularly and feed every 2 weeks or so with diluted liquid fertilizer.
- Continue to remove weeds from lawns and pavings.
- Lift and divide spring-flowering irises.
- Keep all perennials well watered and feed with all Purpose Fertilizer.
- Water plants originally from summer rainfall regions well. Remember to water the garden early in the morning and preferably on wind-free days.
- Feed flowering shrubs once a month.
- Feed your hydrangeas.
For April maintenance tips on watering, pruning, pests and disease, fertilizing and much more visit our countrywide maintenance guide.