Leafy greens and brassicas · Easy
Bok choy
Brassica rapa subsp. chinensis
Compact; a good NFT candidate.
- EC (mS/cm)
- 1.5–2.0
- pH
- 7.0
- Cycle
- short
- Difficulty
- Easy
Sound origin
Brassica rapa subsp. chinensis
One of the many Chinese cabbages, native to southern China, where it has been grown since at least the 5th century.
Source: Wikipedia
What it provides nutrients
Per 100 g, raw · Chinese cabbage, bok choy or napa cabbage, raw
- Rich in vitamin K
- Rich in vitamin C
- Rich in vitamin A
- Rich in vitamin B9
% of an adult’s reference intake (EU Regulation 1169/2011). “Source of”: at least 15 % per 100 g, “high in”: at least 30 % (thresholds of EC Regulation 1924/2006).
Key steps
- Harvest young or mature.
- Spring and late summer: avoid the heat.
- Watch for overcrowding.
In which system?
| Tower | NFT | Growing medium | Kratky |
|---|---|---|---|
Approximate calendar
| Sowing | Mar., Apr., Aug. |
| Plants | none |
| Harvest | Apr., May, June, Sept., Oct. |
Garden, patio, balcony: Belgian and northern French climate, earlier farther south. Estimates to adjust with your own dates.
Frequently asked questions
Bok choy in hydroponics: what pH?
Recommended pH: 7.0 (Oklahoma State HLA-6722 benchmark). Measure every day at the same time and correct in small doses, after adjusting the EC.
Bok choy in hydroponics: what EC?
Recommended electrical conductivity: 1.5–2.0 mS/cm (Oklahoma State HLA-6722 benchmark).
Bok choy: which hydroponic system?
Best suited: the vertical tower and NFT. Compact; a good NFT candidate.
Bok choy: when to sow in Belgium?
Indicative window for a garden, patio or balcony in Belgium or northern France: March, April, and August. Adjust with your own dates.