Bok Choy 'Joi Choi'
Bok Choy 'Joi Choi' is an upright rosette with thick, spoon-shaped leaves brassica with fruit around 8-10 inches tall, 6-8 inches wide. Ready from roughly day 45-50. Germination takes 4-7 days. Space 6-8 inches apart at pH 6.0-7.0. Full sun to partial shade (4-8 hours). It will crop in a container. This one is a hybrid: buy seed each season instead of saving it.

Sowing
Direct sow or transplant. For spring crop, sow 2-3 weeks before last frost. For fall crop, sow 10-12 weeks before first frost.
Cultivation
- Sun
- Full sun to partial shade (4-8 hours)
- Water
- High — consistent moisture needed
- Soil
- Rich, well-drained soil high in organic matter
- Soil pH
- 6.0-7.0
- Spacing
- 6-8 inches
- Height
- 3 feet
- Season
- Spring, Summer, Fall
Appearance & flavour
- Colour
- Dark green leaves with bright white stems
- Size
- 8-10 inches tall, 6-8 inches wide
- Shape
- Upright rosette with thick, spoon-shaped leaves
- Flavour
- Mild, sweet cabbage flavor with crisp, juicy stems
In the kitchen
Stir-fries, soups, salads, steaming, braising, kimchi, fresh eating
Pests, disease & resistance
- Pests
- Flea beetles, aphids, cabbage worms, diamondback moth
- Diseases
- Clubroot, black rot, downy mildew, white spot
- Resistance
- Good resistance to bolting and tip burn
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | April – May | June – July | June – July | July – September |
| 2 | April – May | June – July | May – July | July – September |
| 3 | March – April | May – June | May – June | June – October |
| 4 | March – April | May – June | April – June | June – October |
| 5 | February – March | April – May | April – May | June – November |
| 6 | February – March | April – May | April – May | May – November |
| 7 | February – March | April – May | March – May | May – November |
| 8 | January – February | March – April | March – April | April – December |
| 9 | January | February – March | February – March | March – December |
| 10 | January | February – March | January – March | March – December |
| 11 | January | January – February | January – February | February – December |
| 12 | January | January – February | January – February | February – December |
| 13 | January | January – February | January – February | February – December |
Companion planting
8 beneficial pairings indexed for this variety, 3 to avoid.
Avoid
Nutrition (per 100 g)
- Protein (g)
- 1.02
- Fat (g)
- 0.234
- Carbohydrate (g)
- 3.51
- Fibre (g)
- 1.26
- Vitamin C (mg)
- 30.3
- Folate (µg)
- 68
- Calcium (mg)
- 61.9
- Iron (mg)
- 0.439
- Magnesium (mg)
- 13.6
- Phosphorus (mg)
- 30.5
- Potassium (mg)
- 228
- Zinc (mg)
- 0.274
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 Bok Choy '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 brassicas with a comparable time to harvest, so a season that suits Bok Choy 'Joi Choi' suits these too.
- Kolibri 45 days
- Red Giant Mustard 45 days
- De Cicco Broccoli 45 days
- Mustard Greens 'Southern Giant Curled' 45 days
- EarliSnow 45 days
- Beas 42 days