Category Events - Canada, Niagara-on-the-Lake (ON) Rose Pruning Workshop at Palatine Want to learn how to prune modern shrub roses? Join René Schmitz at Palatine Roses Saturday April 7th from 1:00 - 4:00. Rain or shine. Must bring your own pruners. We will provide the lopers. Only room for 10 participants please register by sending an email to firstname.lastname@example.org or calling us at 905-468-8627.