There was a great crowd at the Master Gardener's Spring Symposium on Saturday. The arrangements were wonderful with a delicious and energizing breakfast buffet, fruit, muffins, juice, coffee and tea - all free.  And later a yummy lunch and great conversation with our fellow gardeners. There were all manner of workshops from fruit tree pruning to roses!  Naturally I went to hear Tracey Culver, who is a head gardener at Smith College, talk about the roses she grows…