Einjährigen

Einjährigen is the declined form of the German adjective einjährig, meaning one-year-old or annual. It is used attributively to describe a noun and its ending changes according to case, gender, and number. The form einjährigen typically appears in contexts where the noun is in a dative singular or in plural after a determiner, or in other inflection patterns that require -en endings.

Common uses and examples:

- Plural after a definite article: die einjährigen Pflanzen (the one-year-old/annual plants).

- Dative singular after a determiner: dem einjährigen Kind (to the one-year-old child) or der einjährigen Pflanze (to the one-year-old plant).

- Mixed or weak declension after an indefinite determiner in certain cases: einem einjährigen Mann (to a one-year-old man) or einen einjährigen Mann (a one-year-old man, in accusative).

In botany and horticulture, einjährig describes plants that complete their life cycle in one growing season. In that usage, einjährige Pflanze and einjähriges Leben may appear in descriptive passages or labeling, indicating annual life cycles as opposed to mehrjährig (perennial).

The term contrasts with mehrjährig, which denotes durability over several years. When not preceded by a determiner, the strong declension yields forms like eine einjährige Pflanze (feminine nominative) or einjährige Pflanzen (plural). The exact ending of einjährigen depends on the noun’s gender, number, and the grammatical case, reflecting standard German adjective inflection rules.