Joi Choi
Joi Choi is a hybrid lettuce. Germination takes 7-10 days and fruit ripens from about day 50. Skin runs to dark green with white stems. Water need is high — consistent moisture needed. Suits zones 5-9. As a hybrid it will not breed true; saving seed from it is not worth the space.
Sowing
Direct sow seeds after last frost; can also succession plant every 2-3 weeks through growing season
Cultivation
- Sun
- Full sun to part shade
- Water
- High — consistent moisture needed
- Soil
- Well-drained, fertile soil rich in organic matter
- Spacing
- 10-12 inches
- Height
- 3 feet
- Season
- Warm season annual
Appearance & flavour
- Colour
- Dark green with white stems
- Size
- 12-15"
- Shape
- Broad, upright plant with flattened white petioles
- Flavour
- Mild, tender, and slightly sweet with crisp, crunchy white stems.
In the kitchen
Fresh salads, stir-fries, Asian cuisine, steaming, sautéing
Pests, disease & resistance
- Pests
- Aphids, slugs, flea beetles
- Diseases
- Lettuce mosaic virus, downy mildew, bacterial leaf spot
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | — | — | June – July | July – September |
| 2 | — | — | May – July | July – September |
| 3 | — | — | May – June | June – October |
| 4 | — | — | April – June | June – October |
| 5 | — | — | April – May | June – November |
| 6 | — | — | April – May | May – November |
| 7 | — | — | March – May | May – November |
| 8 | — | — | March – April | April – December |
| 9 | — | — | February – March | March – December |
| 10 | — | — | January – March | March – December |
| 11 | — | — | January – February | February – December |
| 12 | — | — | January – February | February – December |
| 13 | — | — | January – February | February – December |
Companion planting
9 beneficial pairings indexed for this variety, 2 to avoid.
Avoid
Nutrition (per 100 g)
- Protein (g)
- 0.742
- Fat (g)
- 0.0738
- Carbohydrate (g)
- 3.37
- Vitamin K (µg)
- 20.5
- Vitamin B6 (mg)
- 0.0401
- Calcium (mg)
- 14.2
- Iron (mg)
- 0.0332
- Magnesium (mg)
- 6.31
- Phosphorus (mg)
- 19.2
- Potassium (mg)
- 139
- Zinc (mg)
- 0.173
Where to buy seed and equipment
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Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.
Grown Joi Choi?
Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.
Similar varieties
Other lettuce with a comparable time to harvest, so a season that suits Joi Choi suits these too.
- Muir 50 days
- Red Malabar Spinach 50 days
- Lollo Rosso 50 days
- Salanova Red Butter 50 days
- Upland Cress 50 days
- Lolla Rossa 50 days