Start indoors 6 weeks before last frost, plant out 1 week after frost. In warmer climates, directly sow in a sunny location when soil temps are above 60-65˚F, tender annual. Requires bottom heat. If evening greenhouse air temperatures dip below 50˚F, domed clear covering may be needed to initiate germination, then remove covering. Pinch branch buds to encourage further branching, leaf production and prevent bolting. Dry herb bunches by hanging from ceiling or lay on screens in a dark, dry, ventilated location. Harvest for drying at peak maturity when flowers are just beginning to appear, leaves contain the most essential oils at that time, after that oils are transferred to flowers and then to seeds. Soil pH 5.1-8.5. Hardiness zones 7-11. Annual.
Days from maturity calculated from the date of seeding. Average 22,400 seeds per ounce. There are no Federal germination standards for commercially sold herb seeds. Usual seed life 3-5 years. Isolation distance for seed saving: 150 feet.
Planting Depth
1/4”Soil Temp. Germ.
70-85˚FDays to Germ.
7-14Plant Spacing
12-18”Row Spacing
18-24”Days To Maturity
68Full Sun,
Moist Well Drained