Depends on the type of plant. Some seeds found in ancient stores have germinated successfully after hundreds of years, but in practical terms, seeds you have bought at a garden centre may become unreliable after 5 years or so, but a few will still germinate.
When a seed begins to grow/sprout it is known as germination.
Kentucky coffee tree takes a long time to germinate because of the thick seed head. If you take a file, score the seed head and it will sprout faster. This is called scarification.
It takes millet five days to germinate and sixty-five days to mature.
During seed germination embryo in a seed grows. As a result a small seedling comes out of the seed.
Depending on factors like the soil's temperature and its moisture content, corn seed should germinate between 5 to 15 days. If after this time it has not germinated, then these are two factors that need to be investigated
2 weeks
seven days
When a seed begins to grow/sprout it is known as germination.
A sunflower seed typically takes about 7 to 14 days to germinate, depending on the conditions like temperature and moisture.
in late spring,sunflower seed will germinate
Kentucky coffee tree takes a long time to germinate because of the thick seed head. If you take a file, score the seed head and it will sprout faster. This is called scarification.
1-2 months
12 to 14 weeks
It takes millet five days to germinate and sixty-five days to mature.
A mango seed will not germinate if it is coated with pomade. This will prevent the seed from germinating and growing.
you need one cup of water to germinate a seed
it takes three years from seed to bloom