Tarragon seeds should be planted in early spring in Pakistan, as the weather begins to warm. Tarragon prefers well-draining soil and full sun. Sow the seeds shallowly and keep the soil lightly moist until germination, which takes about 10-14 days. Tarragon is a perennial herb that can enhance various dishes with its unique flavor. Consider growing it in containers or garden beds and harvest the leaves regularly for the best flavor.