1 When the tongue is black or grey, it indicates extreme Stagnation; if black and dry, that indicates extreme Heat Stagnation; black and wet is an indication of extreme Cold Stagnation. 2  Bright red indicates deficient Yin or Excess Heat. 3  Dark red indicates Excess Heat.
Jupiterimages/Photos.com/Getty Images. Onions planted from seed are used as green onions within 40 to 50 days of planting. They are fully grown in 90 to 130 days, depending on the variety. Onions planted as soon as the soil can be worked in early spring are ready for the table by July.
Sets are defined as onions bulbs that have reached about one inch in diameter. These small bulbs are conditioned to be planted later in gardens. After planting them, they immediately grow to form larger onion bulbs, although sets are sometimes appropriate for growing both bulb onions and green onions.bout half this spacing will allow you to grow green onions. Space the rows about 16 inches apart. If you prefer to grow onions in garden beds instead of rows, give them about seven inches of space on all sides.