Cilantro is a favorite ingredient in guacamole, tacos, rice dishes and, of course, salsa. But as summer temperatures climb, the cilantro quickly goes to seed. This can be frustrating, but using all parts of the plant or growing a heat-tolerant cilantro-flavored substitute can help.
Gardeners in cooler climates can sow seeds every three to four weeks throughout the summer for continual harvests…