Mitsuba Japanese Parsley (Cryptotaenia japonica) is a clump-forming ornamental herb valued for its lush green foliage and airy clusters of small white flowers. Ideal for shade or partial-shade gardens, it adds soft texture to woodland borders, beds, and mixed containers. Its delicate blooms support visiting pollinators, while its leafy form provides a layered, natural look in moist, sheltered landscapes.

Features

• Attractive clumping foliage for shaded garden designs
• Small white flowers attract pollinators in summer
• Thrives in partial shade to full shade areas
• Great for woodland gardens, borders, and containers
• Non-GMO Cryptotaenia japonica variety

Specifications

• Common Name: Mitsuba, Japanese Parsley
• Scientific Name: Cryptotaenia japonica
• Plant Type: Perennial herb (annual in colder climates)
• USDA Zones: 5–9 (as perennial); 3–4 (grown as annual)
• Foliage: Bright green, clumping leaves
• Flower Color: White
• Growth Habit: Upright, leafy clumps
• Days to Maturity: 50–60 days (foliage growth timeline)
• Height: 12–24 inches
• Spread: 8–12 inches
• Heirloom: Yes
• GMO Status: Non-GMO
• Organic: Not certified organic
• Light Requirements: Partial shade to full shade
• Soil Preference: Moist, fertile, well-drained soil
• Water Needs: Moderate to consistent moisture
• Pollinator Value: Supports bees & small beneficial insects
• Maintenance Level: Low
• Plant Spacing: 8–12 inches
• Seed Viability: 1–2 years stored cool & dry

Planting Guide

• Sow outdoors in spring after frost or start indoors 4–6 weeks before frost.
• Cover seeds lightly with 1/8 inch of soil.
• Keep soil evenly moist for germination (10–20 days).
• Choose partial shade or full shade with rich, moist soil.
• Water regularly, especially in dry conditions.
• Thin or transplant to 8–12 inches apart for clump growth.
• Allow flowers to mature if self-seeding in shade gardens is desired.