Sprouting broccoli support

What would you recommend for supporting my Purple Sprouting Broccoli. I have 14 plants to support and the only thing I have to hand is bamboo canes which I presume will not be man enough for the job.

Hedging stakes 2x2"?

Certainly something stronger than bamboo. Good support is well worthwhile as by the Spring the plants weigh a lot and will otherwise blow down. At worst this may dislodge the roots and the plant will give up before it has finished producing.

Thanks for suggestions.

One final thing, how tall should the support be out of the ground?

I know that sprouting broccoli can get to 5ft

It only needs to be about 2 ft and well tied to the stem. A bit taller is no problem.

Thanks