 | Royal Crimson Cherry Tree. Royal Crimson Cherries (Prunus avium 'Royal Crimson') are new on the home gardener scene and have many cherry-lovers jumping up and down with joy. You see, Royal Crimson has one of the lowest chill requirements of any cherry tree available on the market - only 150-300 hours of chill time required. This means that places that were previously unable to grow Cherry Trees that actually produced edible fruit are about to bust wide open with some of the tartest sweet cherries on the market! We're looking... - Royal Crimson Cherry Tree. |