How to Grow Stevia

Tender Perennial Herbs

Here are the requirements for growing stevia from seed:

• Seed soaking: Stevia seeds do not require soaking before planting.
• Germination requirements: Stevia seeds require light to germinate, so do not cover them deeply with soil.
• Seed planting depth: Plant stevia seeds 0-1/8 inch deep in well-draining soil.
• Temperature range for germination: Stevia seeds germinate best at temperatures between 70-75°F (21-24°C).
• Days until germination: Stevia seeds typically germinate within 7-14 days.
• Indoor vs outdoor planting: Stevia can be started indoors 8-10 weeks before the last frost date or sown directly outside after the danger of frost has passed.
• USDA hardiness zone and frost hardiness: Stevia is hardy in USDA zones 9-11 and can be damaged by frost.
• Annual vs perennial: Stevia is a perennial herb in warmer climates and an annual in colder climates.
• Seed spacing and thinning: Plant stevia seeds about 18-24 inches apart and thin to one plant per pot or 24-36 inches apart in the garden.
• Plant spacing: Space stevia plants 24-36 inches apart in the garden.
• Sunlight requirements: Stevia requires full sun to partial shade and 6-8 hours of direct sunlight per day.
• Height range for mature plants: Stevia can grow up to 3 feet tall.
• Transplanting: Transplant stevia seedlings outside after the danger of frost has passed and the soil has warmed up.
• Flowering: Stevia produces small, white flowers in late summer or early fall, but it is primarily grown for its sweet leaves.
  

How to Grow Marjoram

Tender Perennial Herbs

• Seed soaking: Marjoram seeds do not require soaking before planting.
• Germination requirements: Marjoram seeds require light to germinate, so do not cover them with soil, or plant marjoram seeds about 1/8 inch deep in well-draining soil.
• Temperature range for germination: Marjoram seeds germinate best at temperatures between 60-70°F (15-21°C).
• Days until germination: Marjoram seeds typically germinate within 7-14 days.
• Indoor vs outdoor planting: Marjoram can be started indoors 6-8 weeks before the last frost date or sown directly outside after the danger of frost has passed.
• USDA hardiness zone and frost hardiness: Marjoram is hardy in USDA zones 6-9 and can withstand light frost.
• Annual vs perennial: Marjoram is a perennial herb in warmer climates and an annual in colder climates.
• Seed spacing and thinning: Plant marjoram seeds about 8-10 inches apart and thin to one plant per pot or 12-18 inches apart in the garden.
• Plant spacing: Space marjoram plants 12-18 inches apart in the garden.
• Sunlight requirements: Marjoram requires full sun and 6-8 hours of direct sunlight per day.
• Height range for mature plants: Marjoram can grow up to 2 feet tall.
• Transplanting: Transplant marjoram seedlings outside after the danger of frost has passed and the soil has warmed up.
• Flowering: Marjoram produces small, white or pink flowers in mid to late summer.
  

How to Grow Lemongrass

Tender Perennial Herbs

• Soak lemongrass seeds in warm water for 24 hours before planting.
• Lemongrass seeds require light to germinate, so do not cover them with soil.
• Lemongrass seeds germinate best at temperatures between 70-75°F (21-24°C).
• Lemongrass seeds typically germinate within 7-21 days.
• Lemongrass can be started indoors 6-8 weeks before the last frost date or sown directly outside after the danger of frost has passed.
• Lemongrass is hardy in USDA zones 9-11 and can withstand light frost. It is a perennial grass that can be grown as an annual in colder climates.
• Plant lemongrass seeds about 6 inches apart and thin to one plant per pot or 3-4 feet apart in the garden.
• Space lemongrass plants 3-4 feet apart in the garden.
• Lemongrass requires full sun and 6-8 hours of direct sunlight per day.
• Lemongrass can grow up to 6 feet tall.
• Transplant lemongrass seedlings outside after the danger of frost has passed and the soil has warmed up.
• Lemongrass produces small, cream-colored flowers in late summer or early fall.