Spinach

Spinacia oleracea

Bolts in heat. A cool-room crop, not a summer tent crop.

System

NFT, DWC

pH

5.8–6.5

EC

1.2–1.8 mS

Days

30–40

PPFD

200–300

Air temp

16–20°C

Protocol

1. 01Keep nights cool. Heat is the enemy, not feed.
2. 02Slightly higher EC than lettuce once established.
3. 03Successive sowings every 10 days.