Why Parsnips Need Frost to Taste of Anything
Parsnips need several weeks of cool, frosty weather because that cold exposure converts the root’s stored starch into sugar, according to Utah State…
Home & garden, state by state
Parsnips need several weeks of cool, frosty weather because that cold exposure converts the root’s stored starch into sugar, according to Utah State…
North Florida gets 13 hours and 58 minutes of daylight on the longest day of the year, and that number alone is enough to push spinach into flower.
Spinach sown in Delaware bolts fast because the calendar works against it twice.
Spinach sown in Connecticut in spring typically bolts by late May or early June, pushed by the lengthening days as much as by warm weather.
Spinach in Colorado runs on borrowed time twice a year. In spring, the crop is racing a calendar that closes as day length climbs past 14 hours; by early…
In coastal and Southern California, spinach doesn’t fail because of an early frost, since there isn’t one most years.
British Columbia’s spinach mostly bolts because of day length, not heat. At the reference station near Vancouver, the longest day of summer holds 16…
Spinach in Arkansas bolts fast, usually within six to eight weeks of a spring sowing, because long daylight hours and quick-arriving heat hit the plant…
In the low desert around Phoenix, spinach doesn’t get much of a window at all.
In Calgary, spinach typically starts bolting from mid-June onward, once the daylight stretches past the point where the plant switches from making leaves…