Elderflowers equals summer for me. I love them. They are both pretty flowers to look at, as they cluster together on branches, as well as having one of the most delicious aromas and flavours around.  They combine hardy and veracious stems with the most delicate of flowers, enabling them to thrive almost anywhere. But the lovely ivory flowers are quick to come and go, so for that reason, you have to quick to make a batch of this summer drink once you spot a ripe tree. And do remember to leave some of the flowers on the shrub, as they will ripen to glorious elderberries that are splendid to harvest later on in the year.   ____________________________________________________________________________________________________________________________________________________________ Makes about 1.5 litres 20-30 elderflower heads 2 organic lemons 2 tbsp citric acid 650 organic caster sugar 1 litre of water ____________________________________________________________________________________________________________________________________________________________ Shake the elderflowers to free any unwanted bugs, and put them in a large pot or similar container with a lid. Wash the lemons and cut them into slices, then add to the pot. Mix …