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In this range you'll find spring-planting, autumn-planting and heat-treated varieties. Spring-planting varieties will give you a crop during June and July and autumn-planting varieties will be ready a few weeks earlier. Spring is such a busy time and planting onions and garlic in the autumn to overwinter gives you one less job to in spring! Heat-treated onions are less likely to bolt (run to seed) on planting, which occurs particularly in red varieties.
Onion 'Garnet' (Spring Planting)
Spring planting. Heat treated.
Originally introduced by T&M, Onion 'Garnet' is now a commercially established variety from British breeding. An improved version of Onion 'Red Baron', 'Garnet' produces more single centred bulbs that are slightly earlier to mature; from mid July onwards. This variety has been heat treated to reduce bolting risk on planting, which occurs particularly in red varieties. Height: 45cm (18"). Spread: 15cm (6").
Companion planting: Try growing onions with mint to confuse and deter onion fly.
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