Large Decorative Leaves
Produces broad, compound green leaves that create a lush appearance in garden and woodland settings.
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Aralia Cordata, commonly known as Japanese Spikenard or Udo, is a perennial herbaceous plant admired for its large, attractive foliage and upright growth habit. Native to East Asia, it is traditionally cultivated for its edible young shoots and ornamental garden appearance. This plant is suitable for woodland gardens, shaded borders, and naturalized planting areas with moist, well-drained soil.
Produces broad, compound green leaves that create a lush appearance in garden and woodland settings.
Returns year after year in suitable climates, developing an upright herbaceous growth habit.
Known for its tender young shoots, traditionally used as a vegetable in Japanese cuisine.
Grows well in partially shaded locations with consistently moist, well-drained soil.
| Scientific Name | Aralia cordata |
| Common Name | Japanese Spikenard; Udo |
| Plant Family | Araliaceae |
| Seed Type | Organic Perennial Herb Seeds |
| Growth Habit | Upright perennial herbaceous plant |
| Foliage | Large, compound green leaves |
| Flower Color | Small white to greenish-white flowers |
| USDA Hardiness Zones | Generally Zones 4–9, depending on growing conditions |
| Planting Season | Spring or fall, depending on climate |
| Growing Season | Spring through fall |
| Sowing Method | Seed starting in nursery containers or prepared garden soil |
| Germination Time | Variable; may require a cold stratification period |
| Germination Temperature | Cool to moderate temperatures after suitable seed preparation |
| Sunlight Requirements | Partial shade to full shade |
| Soil Requirements | Moist, fertile, humus-rich, well-drained soil |
| Watering Needs | Regular watering; maintain consistent soil moisture |
| Mature Plant Size | Approximately 3–6 feet tall, depending on conditions |
| Plant Spacing | Approximately 3–4 feet apart |
| Propagation | Seeds, root division, and root cuttings |
Organic Aralia Cordata offers attractive foliage, perennial growth, and traditional culinary interest. Its lush leaves and preference for shaded growing areas make it an interesting addition to woodland gardens and suitable landscape spaces. Provide fertile soil, consistent moisture, and appropriate shade for healthy plant development.
Explore common questions about Japanese Spikenard seeds, cold stratification, and growing conditions.
Aralia cordata seeds may benefit from cold stratification to help overcome dormancy and support germination. Seed preparation requirements can vary with freshness and storage conditions, so follow the supplier's specific instructions.
Yes. Japanese Spikenard grows well in partial shade and can also tolerate shaded garden locations. It prefers moist, fertile soil rich in organic matter and is suitable for woodland-style gardens.
Yes. The young shoots of Aralia cordata, known as Udo in Japan, are traditionally used as a vegetable. They are prepared in various cooked dishes and salads. Only correctly identified, properly cultivated plant material should be consumed.