Q.Artichokes Are Open And Not Growing In A Tight Globe. Should The Start Out In A Tight Formation.
The plants are growing well and look healthy.

Certified GKH Gardening Expert
Typically, this is a sign of nutrient deficiency. If you do not feed your soil, heavily, or add compost frequently, then this is the issue.
They are VERY heavy feeders and will require constant feeding, as they will leach nutrients out of the soil quickly.
Here is an article that will help you to care for the plant:
https://www.gardeningknowhow.com/edible/vegetables/artichoke/growing-artichokes.htm