Sunflower seeds will take about 30 to 45 days to mature after being cut.
Sunflower seeds typically take about 80 to 120 days to grow into mature plants.
Sunflower seeds are not toxic to mammals as long as there not expired. Expired seeds can lead to stomach irritation.
There is nothing about kosher sunflower seeds that is explicitly haram. As long as the sunflower seeds were not dipped in alcohol of some type (which is rare), they should be permissible.
The freshness of sunflower seeds can last up to 6 months if stored in a cool, dry place.
If the sunflowers are not a hybrid variety, then you can save the seed by cutting the flowers when the seeds are fully formed and loose in the head, drying the whole head for two or so weeks, rubbing them from the head, drying for a further couple of weeks, and replanting in the spring. you can use hybrid varieties as long as long as they are not sterile in which case you wont get any seeds anyway. you just wont get the same flower vigor and or good looks. zaf.
Sunflower seeds typically last for about 6-12 months before they expire, depending on how they are stored.
Sunflower seeds can last up to a year before they expire if stored in a cool, dry place.
Sunflower Seeds will last about 5 years, but under the right conditions can last up to 10 years.
Sunflower seeds typically take 7 to 14 days to germinate, depending on the conditions such as soil temperature and moisture.
There's no specific shelf life for whole sunflower seeds. People have germinated sunflower seeds that are more than seven years old. Generally speaking, seeds that are less than two years old will have the greatest chance of viability.
Sunflower seeds are typically good for up to one year before they expire if stored in a cool, dry place.
Raw sunflower seeds can last up to a year before they expire if stored in a cool, dry place.