Our E. palustris flowered well this year although it finished before the Tewkesbury Show. I left the flower stalks on and they began to fatten nicely and I thought great, seed. Today I gave one seedhead a gentle squeeze to see how it was going and a dozen ants rushed out in all directions. Is this normal, I know the ants distribute the seed from the Cyclamen but what are they doing 3ft off the ground in my Epipactis?