Biennial Herbs, Biennial Vegetables
- Parsley seeds do not require soaking before planting.
- Parsley seeds require darkness for germination, so cover them with a thin layer of soil.
- Parsley seeds should be planted at a depth of 1/4 to 1/2 inch.
- The ideal temperature range for germinating parsley seeds is between 60°F and 70°F (15°C to 21°C).
- Parsley seeds typically germinate within 14 to 21 days.
- Parsley can be started indoors 8 to 10 weeks before the last frost date in your area, or sown directly in the garden after the danger of frost has passed.
- Parsley can be grown in USDA hardiness zones 4 to 9.
- Parsley is frost hardy and can tolerate light frosts.
- Parsley is a biennial plant, which means it lives for two years. However, it is usually grown as an annual.
- Parsley seeds should be spaced 6 to 8 inches apart.
- Parsley seedlings should be thinned to one plant every 6 to 8 inches.
- Parsley plants should be spaced 10 to 12 inches apart.
- Parsley prefers full sun to partial shade, with at least 4 to 6 hours of direct sunlight per day.
- Mature parsley plants can grow up to 1 to 2 feet tall.
- Parsley can be transplanted outside once the seedlings have 3 to 4 true leaves and the danger of frost has passed.
- Parsley produces small, greenish-yellow flowers arranged in clusters that bloom in the second year of growth. However, it is usually harvested before it flowers as the leaves become more bitter after flowering.