St. Julien A is a popular semi-vigorous rootstock, compatible with all varieties of plums, peaches, nectarines and most apricots. It produces a mature tree with a height between 3m - 5m, and fruit production should start at the age of 3-4 years. No staking is required once the tree is established.
Trees should be planted 3.5m - 4.5m apart.
St. Julien A can be used for large plum bushes, half-standards, and large plum fans.
St. Julien is cold-hardy down to USDA zone 6 or 7 - approximately -20C.
Rootstocks are usually 8-10mm grade, the best size for grafting. Please order by January for delivery in February - March. If you wish to order a large number of rootstocks please contact us.
This variety description was researched and written by Orange Pippin staff. Last checked: 2024.