The Northeast cult favorite, a child of McIntosh.
Rubysweet Plum on Myrobalan (Spring 2026)
You are viewing a tree that will ship in Spring 2026. You can also find trees for Spring 2025.
A highly-flavored, disease resistant Japanese hybrid plum. Also known as BY69-350.
This tree is not self-fertile, and it should be grown with another Japanese plum. It blooms about two days before Santa Rosa and suggested pollinizers include Methley and Bubblegum. Rubysweet is a vigorous, upright tree with resistance to bacterial spot and bacterial canker. It is also tolerant to plum leaf scald and brown rot. A great tree for the backyard gardener!
Ripening mid-July, the fruit is large, firm, and freestone, with an appealing bronze-red color. The flesh is deep red and highly flavored.
Rubysweet was developed from a 1968 cross of Mariposa and Methley. It was selected in 1973 and released in 1989 by W. R. Okie, who also developed Black Ruby and RubyQueen. It is especially well adapted to the growing conditions of the Southeast.
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The Fruit
Fruit Type
Category: Plum
Subcategory:
Japanese, Hybrid
Fruit Uses & Storage
Uses: fresh eating, jam, canning, freezing
Storage duration: less than one month (approximate, depending on storage conditions)
Fruit Appearance
Skin color: red
Flesh color: red
Fruit Origins
Parentage: Mariposa x Methley
Origin: Georgia, USA
Introduced in: 1989
Introduced by: W. R. Okie; USDA
The Environment
Calendar & Geography
USDA zones: 6 - 8
Chill hours: 450
Ripening date: Jul 13 (approximate, in New York State) 50 days before Stanley
Tree Height & Spacing
glossary
Rootstock: Myrobalan Rootstock
Rootstock size class: Standard (100% Size)
Tree spacing: See details
Good for wildlife planting? N
Diseases & Pests
glossary
Bacterial Canker of Stone Fruit: Resistant
Bacterial Spot: Resistant
Brown Rot, Blossom Blight, Fruit Rot: Resistant
Pollination
Pollination Factors
glossary
Bloom group:
Is it self-fertile? N
Is it fertile? Y
Ploidy: Diploid
Rootstock size class:
Standard (100% Size)
Pollination Partners
This table shows the first few results from a full search for pollenizers of Rubysweet Plum on Myrobalan. Please see our Pollenizer Search to run other queries and read how the application uses various factors. Also read more about fruit tree pollination.
See all pollination matches for Rubysweet Plum on Myrobalan
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