Tag: Onion

4-8 seeds. Decide how many seeds to plant – Onion seeds often do not have a 100% germination rate, especially older ones. They can be planted in clusters and are easy to separate or thin out later. So for best results, plant 4-8 seeds per hole. Sow the seeds – They’re small, so plant them […]

ANSWER: Not only can you eat the green tops of onions—the flowers of your onion plants are edible, too. So don’t throw out these tasty parts of your garden’s onions. Both the green tops of sprouted onions and the flowers impart an oniony flavor that’s milder than the onion bulb but more pungent than scallion […]

Position. Sun or partial shade. How much sun does a spring onion need? full sunSpring onions require full sun and well-cultivated fertile soil. Refer to our Planting Calendar for when to plant spring onions in your region. Like building a house a good foundation is the key to success in your garden. The better the […]

Onion seeds germinate at temperatures above 40°F; the optimum soil temperature is 75°F. If seeds are planted too early, cooler air and soil temperatures will delay germination and emergence (15- to 25-day requirement), and cause seedling growth to slow. Why won’t my onion seeds germinate? If your onion seeds got too cold, they won’t come […]

Grow Red Onions From Roots Buy a firm red onion at the grocery store and slice off about 2 inches on the bottom — the section where you see roots growing. Place the root end in a shallow dish of water so that the top of the onion slice is above water. Alternatively, suspend it […]

It’s easy to recognise a bolting onion. The plant shoots up a solid stem and a flower pod appears at the top. This soon produces a globe-like flower and, shortly after pollination, seeds form. Can I eat onions that have bolted? Dig up any onions that produce a flower stem. Once they start to set […]

Success in Harvesting Onions Rich soil, consistent moisture and cool temperatures help bulb development. It’s best to create hills for onions that are to be used for green onions but do not hill those to be used for bulbs. Do onions like wet or dry soil? Onions are shallow-rooted and require constant moisture for good […]

Green onions do not need to be replanted each year. They will survive the winter in most hardiness zones and be edible until they begin to produce flowers in the early spring. How cold can green onions tolerate? Onions can withstand frosts and moderate freezes, but you must shield them from hard freezes — that […]

You can harvest the green tops of the spring onion at any time of their growth, leaving the bulb intact. The onions will continue to grow and re-sprout more green tops. Does spring onion grow after cutting? Cut the spring onions about two to three centimetres from the root. Use up the stems in whatever […]

Spring onions require full sun and well-cultivated fertile soil. Refer to our Planting Calendar for when to plant spring onions in your region. Like building a house a good foundation is the key to success in your garden. The better the soil, the better your plants will grow. Can you grow spring onions in shade? […]

Spring onions need to be well watered throughout their growth. This is because of their short root length. By keeping them well watered, you sustain them to ensure they produce the best quality crops. Even during cold but dry periods throughout winter. Do spring onions grow better in soil or water? Spring onions prefer a […]

Plant the sets 2cm (¾in) deep in drills or gently push them into loose soil, so the tip is just showing at the surface. Space them 5–10cm (2–4in) apart, in rows 25–30cm (10–12in) apart. Firm the soil around them and water well. Can you plant onions too deep? Set the bulbs with the point end […]

7-10 days. Onion sets will sprout in 7-10 days. You should see these awesome little green sprouts coming from the tops of the onion sets you placed in soil. Of course, soil temperatures will affect this. For instance, cooler soil temperatures below 55°F will slow sprouting to 10-14 days. How long does it take onion […]

Onions are a cool-season crop and can be planted as soon as the soil is workable; as early as 4 weeks before the first frost free days. Can I plant onion sets in spring? Plant onions as soon as the ground can be worked in the spring, usually March or April. Make sure overnight temperatures […]

All you need is a bunch of spring onions from the grocery store, a pot and some potting mix. Cut the spring onions about two to three centimetres from the root. Use up the stems in whatever you are cooking, then simply plant the root pieces in a pot with potting mix. Can you plant […]

Sow spring onion seeds from March to August at 3 weekly intervals. Harvesting can usually start 8 weeks after sowing. For an early spring crop, sow seeds in September and over winter. How early can you plant spring onions? Plant onions as soon as the ground can be worked in the spring, usually March or […]

Onion: Diseases and Symptoms Damping off. Purple blotch. Stemphylium leaf blight. Colletotrichum blight/anthracnose/twister disease. Fusarium basal rot/basal rot. White rot (Sclerotial rot) Pink root rot. Black mould. What is killing my onions? Onion Fly. The onion fly lays its eggs by the base of the onion which then hatch into maggots who eat away at […]

Curing Onions In order to store onions you’ll need to ‘cure’ them, which simply means drying the outer skins fully. To do this, move your onions under cover. You can dry onions on racks or on layers of newspaper in a greenhouse, polytunnel or cold frame. This also works for other alliums such as shallots […]

Onions are a frost hardy vegetable that can be started indoors from seed about six weeks before the last frost. Onion sets, however, offer a considerable head start on the season since they can be planted out in the garden as soon as the soil can be worked in spring. What is the last frost […]

How late in the year can you plant onions? The longer you delay planting onions in the spring, the smaller your onion plants will be when they begin to bulb, which means smaller onions. If you wait too long, the plants will not have enough time to mature before bulbing begins. Does it take two […]