Take care to plant them the right way up, with the flat basal plate facing downwards and the pointed end upwards. On average soil, apply a general-purpose fertiliser at a rate of 25g/1oz per square metre/yard. Where organic matter was not applied, double the amount of fertiliser. To reduce the need for weeding later, you could cover the soil with black plastic sheeting or weed-suppressing membrane, then plant the cloves through slits.Ĭarefully break up the bulbs into individual cloves or segments. Little fertiliser is required at planting. Apply about two bucketfuls of well-rotted manure or garden compost every square metre/yard. Prior to planting, remove any weeds then improve the soil’s structure, moisture retention and nutrient levels by digging in organic matter. Garlic doesn’t thrive in acid soil ( below pH 6.5), but you can reduce acidity by applying lime in autumn and winter. Garlic likes a sunny, well-drained site. Wet soil and/or high humidity around the foliage can make plants more prone to disease, particularly if planted in autumn. If your soil is heavy and damp over winter, it’s better to start garlic off in modules in a coldframe before planting out in spring. However, some cultivars are suitable for planting in early spring. Most varieties need one to two months at 0–10☌ (32–50☏) for good bulb development. Garlic needs a period of cold, so is usually planted in late autumn or early winter. The single-clove bulb can be harvested and either eaten or planted again the following autumn, when it will often produce segmented cloves. Early planting often reduces the occurrence of solo bulbs. The cloves sometimes don’t divide, producing just slightly larger single-clove (solo) bulbs. It needs a long, warm growing season to produce a good crop and is best planted in October. It produces a small number of very large cloves with a mild flavour. Stores for longer – if planted in autumn it will keep well into the following winter, if planted in spring it will keep until the middle of the following springĭoes not produce flower stalks unless stressedĮlephant garlic ( Allium ampeloprasum) is often sold as garlic, but is actually more closely related to leeks.
Produces smaller, more tightly packed cloves Produces fewer, larger cloves, covered with a looser tunic There are two main types of garlic – hardneck and softneck. There are many varieties of garlic to choose from – look in particular for those with an RHS Award of Garden Merit (AGM), which shows they performed well in growing trials – see our list of AGM fruit and veg. It is best not to plant garlic from a supermarket – it may carry diseases and be unsuitable for the British climate, so results may be disappointing. Plant What to plantĪlways buy named varieties of garlic from a garden centre or mail-order supplier. Weeding is best done by hand, as hoeing risks damaging the developing bulbs. To avoid the need to weed regularly, consider planting through black plastic sheeting or weed-suppressing membrane.
#OYSTER SPAT SET SUNNY OR SHADY FULL#
Garlic plants need full sun, so keep weeds at bay to ensure plants don’t get shaded. Try to avoid overhead watering, as it can encourage fungal diseases. Yellowing foliage is a sign that the bulbs are reaching this stage of maturity. Water garlic during dry spells in spring and early summer, to improve bulb size. However, don’t water once the bulbs are large and well formed, as this could encourage rotting. Also snip off any flower stems that start to form. Garlic is generally trouble free and needs little maintenance, apart from watering in dry spells, and regular weeding. Garlic is grown by planting individual cloves of garlic (rather than sowing seeds), usually in autumn – see Plant, below, for full details. Malvern Autumn Show - 23–25 September 2022.RHS Garden Wisley Flower Show - 6–11 September 2022.RHS Garden Rosemoor Flower Show - 19–21 August 2022.RHS Garden Hyde Hall Flower Show - 3–7 August 2022.RHS Flower Show Tatton Park - 20–24 July 2022.RHS Hampton Court Palace Garden Festival - 4–9 July 2022.
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