Technical Specifications
| Feature | Botanical / Cultural Detail |
|---|---|
| Botanical Name | Raphanus sativus var. longipinnatus |
| Common Names | Daikon, Japanese White Radish, Mooli, Củ Cải Trắng |
| Seed Count | 2 packs × 400 seeds (800 total) |
| Plant Type | Cool-season root vegetable (annual) |
| USDA Hardiness Zones | Grown as a cool-season annual in Zones 2–11 |
| Sunlight Need | Full sun |
| Water Requirement | Moderate — keep soil evenly moist for tender roots |
| Soil Preference | Deep, loose, well-draining soil (pH 6.0–7.0) |
| Root Length | 12–18 in (30–45 cm) |
| Germination Time | 4–7 days |
| Days to Harvest | ~50–70 days |
The Radish That Does Everything
Daikon (Raphanus sativus var. longipinnatus) produces long, crisp white roots that are milder and sweeter than common red radishes. Eat it fresh, pickle it (think takuan and Vietnamese đồ chua), stir-fry it, or add it to simmered soups and stews — and when left to grow deep and decompose, it works as a cover crop that breaks up heavy clay soil. Cool weather is key: fall-sown daikon develops the sweetest, crispest roots, while warm spring sowings often turn pithy and bitter or bolt.
Key Highlights & Benefits
- Mild & Sweet: Crisp white roots, gentler than red radish.
- Versatile in the Kitchen: Pickles, stir-fries, soups, grated fresh.
- Fast-Growing: Harvest in about 50–70 days.
- Soil Builder: Deep taproot loosens and aerates heavy clay soil.
- Cool-Season Crop: At its best sown for a fall harvest.
Master Sowing & Growing Guide
1. Timing & Soil
- When: Sow in late summer/fall for the best roots (or early spring in cool climates). Avoid warm-weather sowing, which causes pithiness and bolting.
- Soil: Deep, loose, well-draining soil is essential for long, straight roots — remove stones and break up compaction.
2. Sowing Method
- Direct Sow: Daikon dislikes transplanting — sow in place about 1/2 inch deep.
- Germination: Fast, usually 4–7 days.
3. Thinning & Care
- Thin seedlings to 4–6 inches apart so roots have room to size up.
- Keep soil evenly moist — uneven watering causes cracking and forking.
4. Harvest
- Harvest at ~50–70 days before roots get woody. Loosen soil for clean pulls.
Kitchen & Garden Applications
- Pickling: Classic takuan and Vietnamese đồ chua (pickled daikon & carrot).
- Soups & Stews: Simmered in broths and braises.
- Stir-Fries & Fresh: Grated raw or quickly cooked.
- Cover Crop: Deep roots break up and aerate heavy soil.
Common Growing Problems & Solutions
- Pithy / Bitter Roots: Cause: warm-season growing. Fix: sow for a fall harvest in cool weather.
- Forked / Deformed Roots: Cause: compacted or stony soil. Fix: grow in deep, loose, stone-free soil.
- Cracked Roots: Cause: uneven watering. Fix: keep soil consistently moist.
Frequently Asked Questions
How many seeds are included?
This listing includes 2 packs × 400 daikon seeds — 800 seeds total.
When is the best time to plant daikon?
Late summer to fall is ideal. Cool-season growth gives the sweetest, crispest roots; warm sowings often turn pithy and bitter or bolt.
Why are my daikon roots forked or short?
Compacted, stony, or shallow soil deforms the taproot. Grow in deep, loose, well-draining soil and sow directly (daikon dislikes transplanting).
Can I use daikon to improve my soil?
Yes — its deep taproot loosens and aerates heavy clay. Left to decompose, it works well as a soil-building cover crop.
Storage & Quality Assurance
- Seed Freshness: Packed to maintain viability and germination rates.
- Storage Instructions: Store unused seeds in a cool, dry place; keep sealed until planting.
- Package Includes: 2 seed packets containing 400 Daikon (Raphanus sativus var. longipinnatus) seeds each (800 total).
