Many varieties of cauliflower exist. Experimentation is the key to success.
Ask Gardenerd: Big Cauliflower – No Head
We got a question at Ask Gardenerd this week from Jeff: "I'm having trouble with cauliflower - the plants are not flowering. Is there anything I can do to encourage flowering? By the way, I planted broccoli as well and it's doing fine. Thanks, Jeff" You're not alone, Jeff. This is typical of places that don't have really cold temperatures in fall or winter. Cauliflower needs low temps to set a head, so in warm-winter climates you often get Jurassic…