All the plants that have sat tight and hardy over the winter's cold and dark now want to grow again, and to produce seed.
This means that the carrots, beets, turnips, swedes and other root vegetables send out many tiny hairy roots, becoming tough and bland in the process of beginning to flower. Leafing and flowering veggies, like broccoli, leeks, kale, rocket and pak choy join in the fun by becoming coarse and sending up tall flowers (see photo above).
Additionally, many vegetables planted now will bolt before they are harvest-ready. Leaping out into the garden and planting in a fit of spring joy, like I did last year, led to some quite pretty beds of flowering beets, pak choy and fennel that did absolutely nothing for my bottom line.
Thus, The Bolting Season marks the end of winter produce, and a lean few months ahead for the garden, while all the old crops come out and new plantings slowly mature.
The answers to some of these questions can be moderately heartbreaking. In the photo above I am doing all the work of harvesting and lugging $500 worth of Hakurei turnips that are bolting and therefore useless. Quite an expensive addition to the compost.
But most importantly: do better next year. Factor in The Bolting Season.