Identify the large dome-like buds and (using a spade) split into chunks containing four to five buds. Replant in enriched soil containing garden compost, making sure that the top of the clump is just above the ground. Do not pick any stems in the first year or two and always remove any flowering spikes.

How do you split cardoon?

Identify the large dome-like buds and (using a spade) split into chunks containing four to five buds. Replant in enriched soil containing garden compost, making sure that the top of the clump is just above the ground. Do not pick any stems in the first year or two and always remove any flowering spikes.

Do you cut back cardoons?

Cut it back to the ground in early spring, leaving just a stump, and it will sprout new growth that can be cut to the ground again every few years.