Celeriac Plants - Brilliant A delicious vegetable with a unique tangy taste! ‘Brilliant’ is an excellent variety of celeriac plants with smooth roots and beautifully white flesh which does not discolour. Also known as Turnip Rooted Celery, it has a deliciously tangy taste. This unique taste is the perfect addition to soups and stews. It also makes an excellent addition to mashed potato! Growing celeriac plants Plant 12" apart in rows 18" apart in moist humus rich soil. Provide plenty of moisture to the developing plants as this will give good size. Harvest as required through the autumn and winter. To find out more, discover the ‘Celeriac Growing Guide’.