April always reminds me of the week before a big show or event. It's the springboard month that the garden has before it puts on its main presentation. The weather has gotten a lot milder, the swallows and house martins have returned, the bees are out hunting for the first pollen laden flowers, hopefully the time in between the rain showers is getting longer and all the plants are either in leaf or shooting up in preparation to bloom.   The little jobs done now can make a big differen...