- Soak the seeds in water for 24 hours prior to planting to improve germination rates.
- Thyme seeds require light for germination, so do not cover them with soil. Instead, press them lightly into the soil surface.
- Plant the seeds at a depth of 1/4 inch (6 mm).
- Thyme seeds germinate best at temperatures between 60-70°F (15-21°C).
- Thyme seeds typically germinate within 7-14 days.
- Thyme can be started either indoors or outdoors, depending on your preference.
- For outdoor planting, start thyme seeds 2-4 weeks before the last expected frost date in your area.
- Thyme is hardy in USDA zones 5-9.
- Thyme is frost hardy and can survive light frosts.
- Thyme is a perennial herb.
- Space thyme seeds at least 8-10 inches (20-25 cm) apart.
- Thin seedlings to one plant every 8-10 inches (20-25 cm) when they have developed their first true leaves.
- Space thyme plants at least 12-18 inches (30-45 cm) apart.
- Thyme requires at least 6 hours of direct sunlight per day to grow properly.
- Mature thyme plants can grow up to 6-12 inches (15-30 cm) tall.
- Transplant thyme seedlings outdoors after the last expected frost date in your area.
- Thyme produces small pink or purple flowers in the summer.