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Home WASABI Wasabi Bare Root Plant - Territorial Seed Company
WASABI-WASABI
WASABI DARUMA
WASABI DARUMA
WASABI-WASABI
WASABI DARUMA
WASABI DARUMA

WASABI DARUMA

Vegetable | wasabi

USDA Zone: 9b

A pungent delight seldom available to the home gardener. Even at sushi establishments and specialty grocers, 'wasabi' pastes most often derive their spicy kick from its relatives, horseradish and mustard, and lack the nuanced flavor of true wasabi: an intense, aromatic heat that quickly subsides, giving way to a smooth, sweet finish that lingers. Though chefs use any and all parts of the plant, it is prized for its root, or rhizome, which is grated and served as a ubiquitous condiment for sushi and noodle dishes in its native Japan. Wasabi has now found its way into a broader range of culinary applications, lending zing to traditional sauces, dressings, rubs, cocktails, even ice cream! Roots command up to $100 per pound here in the states, but a few specialty growers and new research from the Pacific Northwest Extension have shown promise for stateside gardens. Our hardy, disease-resistant ‘Daruma’ selection is propagated from disease-free tissue cultures. Attractive plants have heart-shaped to round foliage and will provide harvests of delicious, high quality, thick green roots and multiple plant divisions after 2 years.

Wasabi bare root plants are ready to ship now and are available only within the contiguous US. Naturally resilient to transplant stress, we ship wasabi plant starts bare root with the stems and leaves trimmed away so the plants arrive healthy. We have found that the plants travel better when shipped bare root rather than in pots because the leaf stems of wasabi can be broken during shipping or pull the plant over on its side uprooting it. They arrive ready to plant!
  • Full Shade
  • Perennial

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WASABI DARUMA

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Growing Tips & Guides

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Initial Instructions
As home cultivation of wasabi is a relatively recent practice, we recommend growing in containers until you can determine hardiness, shade, and watering requirements and how your own garden and climate suit these. Planting medium should be well-drained with ample organic matter. Work in 10-12 inches of compost to a soil depth of 8-10 inches. A neutral or slightly acidic soil pH of 6-7 is ideal. You may provide a base layer of gravel or sand for drainage. Container size should be 10 inches or larger (at least a 2.5 gallon nursery pot) with enough depth to allow for rhizome development. Rhizomes will typically reach 4-8 inches in two years before harvest but can grow larger. Dig a hole about twice the size of the rhizome you're transplanting, leaving 1/2 inch of the crown exposed above the soil level. Do not bury the crown! Spread out its roots slightly before backfilling the hole and gently pressing into place. Water in well, ensuring that the plant does not sit in its drainage water, which can lead to root r

Cultivation
Wasabi grows best in full shade with steady temperatures between 50-60°F, though our Daruma strain is more tolerant of heat and light. Temperatures below 43°F slow growth, while 27° F and below can kill the top growth or even the entire plant. Heat damage can occur when air temperatures rise above 82°F, as well as increased pest and disease incidence. If you're outside of frost risk, an ideal spot to set out would be a northern exposure and/or well-shaded spot, perhaps utilizing 75% shade cloth. Irrigate regularly with cool water (45-59°F), misting as needed to keep plants cool and moisten wilted leaves. Mulch can increase moisture retention. Leaves that remain wilted for a week should be removed to deter pests and lower risks of disease. In areas with hard frost, wasabi may thrive indoors; in our zone 7 gardens, container-grown wasabi has overwintered in an unheated greenhouse, as well as acclimating itself to full sun conditions. Stability in growing conditions throughout the seasons provides uniform, high-quality yields. Still, the plants are surprisingly tolerant of variab

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