sunflower seeds the writ temperature to grow it in is 19 to 25 Celsius because it isn't to hot or too cold.
sunflower
yes
sunflower
If it was properly fertilized and formed, yes.
No they cant,the Maine thing that make them grow dies.
If you put a cut stem in the soil, it is unlikely the sunflower would grow. It would need to grow from seed.
A sunflower seed typically takes about 7 to 14 days to germinate, depending on the conditions like temperature and moisture.
Depending on the acidity level of the vinegar, yes.
A sunflower seed is an achene which means a simple dry fruit. The sunflower seed are referred to as the fruit of the Sunflower because it is produce by the plant.
There is no need to do this with domesticated sunflower seed.
in late spring,sunflower seed will germinate
In most cases Sunflowers are annuals, so they grow from seed every year.