Hello I got an email from Sun Gardening that Nr Forhergills seeds are recalling all Courgett Zuccinni seed from retailers as it's been found that the fruit had high levels of curcubitins which can cause stomach problems it's only seeds with batch number 1 after the use by date , the bitterness of the courgettes do not improve with the weather any further information is on the Sunnewspaper gardening competition site .jezza