As for essential oils that have long shelf lives usually, they are the thicker ones, such as Cedarwood, Sandalwood, Patchouli, Vetiver and a few others. Exception to this thick oil quality will be the essential oil of Rose Otto.
The season for them is generally a short one. Begins in early July and last for 2 to 3 weeks. Black raspberries tend to ripen before most red raspberries varieties expect for the early ripening summer ones.
Autumn Flowers. Autumn is the season of the primary harvest. Autumn falls during September-November in the Northern hemisphere, and during September-November in the Southern hemisphere. Crops are harvested during Autumn. Beautiful leaves that change color are at their best.