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Onion, Red Sets
Allium cepa
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Product Information
Large, firm red onion with sweet to mild onion flavor.
The red onion is great for eating fresh in salads, cooking or making sauces.
- Using onion sets allows you to skip the step of planting onion seeds indoors.
- Ships as bulbs.
- Grown in Ontario
- Quantity per Package: 225 grams (0.5 pounds) at time of filling
- SKU: 140924
- Common Name: Onion
- Botanical Name: Allium cepa
Growing Information
Good For Pollinators
Grows
Best In:
Full Sun
Water
Needs:
Moist 5 cm (2") per week
Key Features
- Plant Type: Vegetable
- Plant Lifecycle: Annual
- Characteristics: Attracts bees and butterflies
- Color: Red
- Water Needs: Moist 5 cm (2") per week
- Landscape Use: Edible Garden
- Resistance: Deer|Rabbit|Aphids
- Tolerance: Light frosts
- Companion Planting: Plant near beets, cabbage, carrots, swiss chard, lettuce, marigolds, strawberries, tomatoes. Onions have a protective effect against borers and cutworms. The strong aroma emitted by onions disorients and confuses these pests, making it difficult for them to locate and attack the plants.Additionally, marigolds can be beneficial to onions as well. The scent of marigolds acts as a deterrent, reducing the egg-laying activity of the onion maggot fly. This can help prevent infestations and protect the onions from damage caused by these flies.
- Flavor: Sharp and pungent when eaten raw. Milder when cooked.
- Preparation Ideas: Use fresh in salads, salsas, burgers or cooked with rice, or quiche.
Instructions
-
Growing Instructions:
- If it is not time to plant when you receive the bulbs, store in a cool, dry place with good air circulation. Avoid warm temperatures as the bulbs may start to sprout.
- Plant in early spring as soon as the soil can be worked and temperatures do not go lower than -2°C (28°F).
- Select and prepare the planting area. Onions prefer a location that is in full sun with loose, well-draining soil. Compacted soil will hinder bulb development.
- Prior to planting, mix in well-rotted manure or compost into the soil to help aerate the soil.
- Plant bulbs 2.5 cm (1”) deep and 8 cm (3”) apart, with the pointy end up. Avoid planting bulbs too close together as this will result in smaller bulbs.
- Allow 30-45 cm (12-18”) between rows.
- Water thoroughly after planting.
- Sets can be planted weekly for a continuous supply.
- Water needs: For most soil types, approximately 2.5 cm (1") of water is required per week. If soil is very dry or sandy, as much as 5 cm (2") of water is required weekly.
- Planting Depth: 2.5 cm (1" )
- Plant Spacing: 8 cm (3”)
- Instructions for Nutrient Care: Feed plants SUPERthrive once per week. Mix 1.2 ml (1/4 tsp) per 4L (1 gallon) of water in a watering can and apply solution to the base of the plants.
Suggestions
Growing Suggestions:
- Avoid planting onion sets in low-lying spots that get water-logged after it rains.
- Onions tend to have very shallow root systems, which makes them poor competitors against neighboring weeds. Keep the soil around onions weed-free by mulching with a thick layer of grass clippings, or clean straw.
- As the bulb grows, it will push soil away and expose half of the bulb above the soil. Do not cover the exposed area of the bulb with soil as this will hinder bulb development.
- Stop watering once the tops begin to yellow and fall over to encourage the bulbs to finish maturing and to avoid rot issues.
- Onions store better if they are harvested when dry. Wait for a few days after it has rained before harvesting.
- Loosen the soil around the onions and pull them from the dirt. Lay the onions in a single layer on the soil to dry in the sun for a couple of days weather permitting. Or lay out in a well-ventilated area indoors.
- After drying for a couple of days, brush the dirt off, trim the roots and tops. Store in a cool, dark, dry place.
Harvesting tops for greens.
- Some gardeners grow onion bulbs just for the tops.
- Once the tops are about 15 cm (6") tall, you can harvest the greens to use as scallions. They can be added to salads, soups, or fresh salsa providing a lovely mild flavor.
- If you are growing the onions to harvest the bulbs, remove tops sparingly as they are required for the bulb to continue to grow.
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