Pyracantha firethorn - $3 Horse Chestnut - $0 (Yes, it's free.) Lilacs - Large $3, Medium $2, Small $1 Boxwood with bonus ice plant - $2 Hydrangea - $3 Horse radish - $2 each (OK, so this one isn't a tree or shrub.) Raspberry, fall bearing - $1 Cedars - $1 each Proceeds will go towards the rooftop garden on the new Garth Homer Centre.