Dulce — Apium Graveolens
: It hates extreme heat; if temperatures rise above 70°F (21°C), use heavy mulch to keep the roots cool.
Apium graveolens dulce is a biennial herb from the family, often grown as a cool-season annual for its edible petioles (stalks). While it is a close relative of celeriac ( A. graveolens rapaceum ), which is grown for its root, the dulce variety is specifically bred for its crunchy, fibrous stalks. Pro-Tips for the Garden apium graveolens dulce
: It thrives in rich, fertile soil with plenty of organic matter. : It hates extreme heat; if temperatures rise

