GROWING ONIONS FROM SEED PDF

Onions can be planted from seed or from sets (small partly grown onion bulbs). If planting onion sets then they can be planted around Mid to Late March. To start onion seedlings indoors in February or March, fill a container nearly to the top with a seed starting mix and then make two furrows, about 1/2-inch deep, for the onion seeds. Sprinkle seeds in the furrows and cover them lightly with more soil mix. Label the container with the name of the onion variety. Growing Onions from Seeds. Choose a container with good drainage and enough room for around 3 inches of dirt. Fill your container with damp potting soil (I've been using Fox Farm organic potting soil), and mark furrows or divots for your seeds – about 1/4 – 1/2 inch deep. Cover seeds with soil and gently tamp down.


GROWING ONIONS FROM SEED PDF

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GROWING ONIONS FROM SEED PDF


Sets are growing onions from seed from seed catalogs, garden centers and hardware stores. In late April or early May, place the small bulbs about an inch deep in the garden, with four bulbs together, touching each other, and each bunch of four onion sets about 6 inches apart within rows.

This method, advocated by Eliot Coleman, simplifies planting, watering, weeding and harvesting.

How To Grow Onions - Growing Vegetables

You can also start onions from seeds sown indoors in February or early March. Check seed catalogs for other varieties and other traits—such as sweetness, pungency, size and storability.

One way growing onions from seed start onions from seed indoors is to sow the seed in two rows, about a quarter-inch deep, in 4- x 6-inch containers growing onions from seed nearly to the top with a seed starting mix.

Keep the containers warm near, but not too near, the wood stove, for instance, or on top of the refrigerator and keep the seed starting mix moist.

GROWING ONIONS FROM SEED PDF

When the greens shoot up and are 4 to 5 inches tall, clip the tops to keep the plants a manageable size. The clippings can go into soups, salads or sandwiches. In late April or early May, transplant the seedlings to a fertile, well-drained spot in the garden. As with sets, place four plants in each planting hole, and space each bunch growing onions from seed four onions about 6 growing onions from seed apart.

Keep the onion plot weeded and watered throughout the growing season. Bulbs are white, yellow, or red at harvest.

Bunching onions—also calle scallions or green onions—are grown for their tender, green top stalks. They are harvested before bulbs fully form. Onions grow tops in cool weather and form bulbs in warm weather. Temperature and day length control the timing of bulbing.

Long-day onions require long hours of daylight—14 to 16 hours per day—to reach maturity. Long-day onions grow best in northern latitudes.

Short-day onions grow best in mild-winter southern latitudes.

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They grow through the fall and winter and form bulbs when daylight increases to 12 hours per day in early summer. Onions grow best in loose, well-drained sandy loam.

How to Grow Onions

Turn lots of well-aged compost and manure into the onion bed in advance growing onions from seed planting; turn the soil to at least 8 inches deep. Onions prefer a soi pH of 6. Sow onion seeds indoors 8 to 12 weeks before the last average frost date.

Sow seeds in pots, flats, or trays. Thin seedlings to one inch apart when they are four inches tall. Sow seed outdoors two weeks before the last average frost date in spring or four weeks before the first expected frost in autumn.

Onion Growing Tips

Later, thin to four inches apart. Growing onions from growing onions from seed will give you the widest choice of varieties. Set bulb onion seedlings one to two inches deep—depending on the size of the bulb—and four to six inches apart.