Lower supply of cucumbers
Many producers decided to finish cultivation earlier than previous years due to many problems during season – poor demand and low prices caused by E.coli crisis. On the other hand

Prices of tomatoes and cucumbers near Warsaw
The demand for cucumbers from glasshouses is lowering as well as their price. However price of tomatoes has risen, mainly due to limited supply and high demand in Russia. Tomatoes B size

Increase in cucumbers prices
 On last Friday price of imported cucumbers reached 22-23 PLN (5.00-5.23 euro)/5 kg. Further increase in prices is expected. 

Spanish cucumbers already on the Polish market
Their current price is 2.90-3.50 PLN (0.67-0.81 euro)/kg. It means that they can compete with Polish product. Price of Polish cucumbers is 3.20-4.00 PLN (0.74-0.92 euro)/kg.