Roots and bulbs · Easy
Radish
Raphanus sativus
Growing medium or deep tub.
- EC (mS/cm)
- n/a
- pH
- n/a
- Cycle
- short
- Difficulty
- Easy
Sound origin
Raphanus sativus
The first radish crops are thought to have been grown in the Near East more than 5000 years ago; domestication then happened independently in several regions, from the Mediterranean to Japan.
Source: Wikipedia
What it provides nutrients
Per 100 g, raw · Red radish, raw
- Rich in vitamin B9
- Source of vitamin C
% 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
- The fastest root vegetable: 3 to 5 weeks.
- Loose, fairly deep growing medium (clay pebbles, perlite, coco coir) so the root can form.
- In the heat, it turns spicy and hollow: spring and late summer.
- Succession sowing every 2 weeks.
In which system?
| Tower | NFT | Growing medium | Kratky |
|---|---|---|---|
Approximate calendar
| Sowing | Mar., Apr., May, Aug., Sept. |
| 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
Radish in hydroponics: what pH?
No specific range is published for this crop in the Oklahoma State table: we do not force an unverified figure. Start from the common range of 5.5–7.0 and write down your results.
Radish in hydroponics: what EC?
Oklahoma State has published no value for this crop. Start low, watch the growth and record your measurements in a log.
Radish: which hydroponic system?
Best suited: growing medium (Dutch bucket). Growing medium or deep tub.
Radish: when to sow in Belgium?
Indicative window for a garden, patio or balcony in Belgium or northern France: March, April, May, August, and September. Adjust with your own dates.
- Mon Potager Hydroponique growing benchmarks