If this sounds like too long to wait when sets are readily available commecially, consider that many more varieties are available in seed that produce better in our area than the sets, which are generally from the Midwest. Unless you purchase the sets from a reputable nursery as soon as they are put on display in late summer or early fall, chances are they'll bolt because they've been kept too warm for too long. So, as inexpensive as seed is, and as simple as germinating them is, a little effort every so often produces many more quality green and bulb onions. Red cabbage varieties seem to be less attractive to the moths than the green ones. Plants appreciate this extra boost in food to use immediately in maturing their fruits.
Some vegetables are more tolerant of salty areas in the garden.
If an area has received repeated applications of manure or other concentrated fertilizers, the salt content may be high. Asparagus, beets, kale, and spinach do well under these conditions, but celery, green beans, radishes, strawberries and most fruits cannot tolerate it. Other vegetables and cantaloupes, figs, and grapes are generally of medium tolerance. Root cuttings of herbs. Ma-ture, woody, spreading herbs can be propagated by dividing the plant and using the new outer shoots.