Apium graveolens

Celery, Celeriac
Species Information: 
Biennial. Varieties cross by insect, recommend isolation distance 1km. Wild ancestral species found sometimes near the coast will cross. ‘Par-cel’ – hybrid Cerley/Parsley, may cross. Celeriac, grown from a swollen stem base, also has edible (smaller) stems/leaves.  
#581 Nutty Celery
Ex Koanga. "Does not rust, grown on Otago Peninsula on SW facing, windy coastal hill without shelter." Sometimes continues growing beyond two years as a short-lived perennial.