Lavazza coffee uses a robusta and arabica blend to different proportions depending on the label you buy. i.e. rosso will have a certain amount, crema e gusto, crema e aroma, and the gold label are all different blends. I am not sure but one of them may be all robusta... worth looking into as it is reasonably priced in the supermarket.
Our Ottawa coffee business, Shanti Coffee has green Robusta beans in stock but we can also roast them according your preferences. Please visit www.shanticoffee.ca and feel free to contact us via the website. They're not listed but we use them to create blends for our customers.
Meat Man