Wasabi Radish Vegetable Seeds Packet

• Prepared garden bed or deep containers: Radishes are direct sown and resent transplanting; a daikon type needs loose soil at least 8 inches deep.
• Garden trowel or hoe: For opening a straight, shallow furrow at the right depth.
• Fine-rose watering can: Waters gently without washing seed out of the furrow.
• Floating row cover: Keeps flea beetles and root maggot flies off from day one.
• Plant labels: Useful if sowing in staggered rows.

• Garden fork: Loosens soil so the long, tapered roots pull out intact.
• Basket or bowl: For collecting roots.
• Pruning snips: Trim the greens off before storing the roots.
• Produce bags: Refrigerate trimmed roots in a bag to keep them crisp.

Tip: Pull roots while firm, at about 6 to 8 inches. Left in the ground through heat, they turn woody and overly sharp.

Light:

• Requires full sun, with afternoon shade tolerated in warm weather.

Soil:

• Loose, well-drained, stone-free soil, pH 6.0-7.0, worked at least 8 inches deep.

Watering:

• Requires consistent moisture, about 1 inch per week.
• Uneven watering produces woody, cracked, or extra-hot roots.

Temperature & Climate:

• Cool-season crop that grows well in mild weather.
• Heat causes bolting, so sow in early spring or late summer for fall.

Fertilization:

• Work compost into the bed before sowing.
• Avoid heavy nitrogen, which grows leaves at the expense of roots.

Thinning:

• Thin seedlings to 4-6 inches apart once they have their first true leaves; crowded roots stay small and woody.

Pest Protection:

• Cover with floating row cover from sowing to keep flea beetles and root maggot flies off.

Watering:

• Keep soil evenly moist; water at soil level.

Harvesting:

• Pull roots at about 6-8 inches while firm.
• Do not leave them in the ground through heat or they turn woody and overly sharp.

Storing:

• Trim the greens, then refrigerate roots in a bag for up to a couple of weeks.
• Grate just before serving, since the heat fades quickly.

• Woody, hollow, or very hot roots: usually heat, drought, or leaving them in the ground too long
• Bolting before roots form: sown too late in the season; shift sowing to cooler weather
• Lots of leaves, tiny roots: too much nitrogen or too little thinning

1. Culinary Applications:

• Grated fine with a little salt as a wasabi stand-in for sushi and noodles
• Sliced raw for sharp, crunchy salads
• Roasted to mellow the heat and bring out sweetness
• Pickled, which keeps the bite while softening the texture

2. Nutritional Benefits:

• Vitamin C and folate in typical daikon ranges
• Low in calories with dietary fiber
• Pungent compounds typical of the mustard family give the heat

3. Garden Uses:

• Fast, easy daikon type that matures in 50 to 60 days
• Late-summer sowings for a fall crop
• Roots loosen compacted soil for crops that follow

4. Practical Benefits:

• A much quicker way to a wasabi-like flavor than growing true wasabi
• Edible roots, leaves, and young seed pods
• Worth planning for: cool-season timing and even watering

• Root: The primary edible part: a green-fleshed, daikon-type root with a sharp, horseradish-like bite. Grated raw as a wasabi stand-in, or roasted to mellow the heat.
• Leaves: Edible and peppery, picked young for salads or cooked like mustard greens.
• Flowers and young seed pods: If a plant bolts, the flowers and tender green pods are edible with a radish-like flavor.

Daikon (oriental radish), raw, per 100g (standard reference value for daikon-type radish)

Calories: 18 kcal

• Carbohydrates: 4.1 g
• Protein: 0.6 g
• Total fat: 0.1 g
• Dietary fiber: 1.6 g
• Vitamin C: 22 mg (24% RDA)
• Folates: 28 µg (7% RDA)
• Potassium: 227 mg
• Cholesterol: 0 mg

Good companions

• Carrots, lettuce, spinach — radishes loosen soil and mature before slower crops need the space
• Peas — different root depth, little competition
• Nasturtiums — reported to draw pests away from radishes

Poor companions / avoid

• Hyssop — reported to inhibit radish growth
• Other brassicas (cabbage, kale) — share the same pests and diseases, so problems build up

• Flea beetles — tiny shot-holes in leaves; row cover is the best prevention
• Cabbage root maggot — tunnels through roots; row cover and crop rotation
• Aphids — cluster on leaf undersides; strong water spray or insecticidal soap

• Clubroot — swollen, distorted roots in acidic soil; rotate crops and keep pH near neutral
• Downy mildew — yellow patches with fuzzy undersides in cool, damp weather; improve airflow and avoid overhead watering

Direct sow in cool weather, 1/2 inch deep, in loose, stone-free soil in full sun. Thin to 4 to 6 inches apart and give it more room than a salad radish, since the roots reach 6 to 8 inches.

No. Wasabi Radish is a daikon-type radish, a different species from true wasabi, which is a slow, finicky stream-bank plant. The name refers to its sharp, horseradish-like heat.

Sow 3 to 4 weeks before the last frost in spring, or in late summer for a fall crop. Late-summer sowings tend to be both the sweetest and the hottest, while spring crops must be pulled before heat makes them bolt.

Roughly 50 to 60 days from sowing. Pull roots while firm, before they turn woody.

Grate it fine with a little salt as a wasabi stand-in, slice it raw for a sharp crunch, or roast it, which mellows the heat. The leaves are edible too.

Vacuum-sealed Shido Seeds packets stay viable for up to 10 years when stored properly, compared to roughly one year for a standard paper seed packet. Storing unused packets somewhere cool and dry helps preserve that extended shelf life.

Usually heat, drought, or leaving the root in the ground too long. Keep soil evenly moist, sow in cool weather, and pull at about 6 to 8 inches.

Yes. Every Shido Seeds packet, Wasabi Radish included, is germination-tested at independent third-party labs before it ever reaches a shelf.