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.
Seed-producing onions are biennial and it will take two growing seasons to get onion seed. This article explains the seed-to-bulb-to-seed method. Purchase onion seed and plant as you normally would in the spring.When purchasing seed, only buy open-pollinated or heirloom seeds.ightly spaced green onions fit well in ornamental plantings. Seeds or Seedlings 4 to 5 days, 45F to 95F 1 year Well Drained, High Fertility Full Sun 1/2 apart 4 apart 65 to 75 Growing Guide GROWING NOTES Well-drained, rich soil, high in organic matter, neutral pH.