• Record your blossom dates!
  • Our fruit tree register lets you record your spring blossom dates from year to year.More>
Orange Pippin logo
All about apples, pears, plums, and cherries - and orchards where they are grown

AU Rosa plum

Prunus salicina
AU Rosa is a heavy-cropping and self-fertile red plum, related to the popular Santa Rosa but with better disease resistance.

USDA identification images for AU Rosa

The identification paintings in the USDA Pomological Watercolor Collection span the years 1886 to 1942.

    Citation: U.S. Department of Agriculture Pomological Watercolor Collection. Rare and Special Collections, National Agricultural Library, Beltsville, MD 20705.

    Parents and other ancestors of this variety


    Visitor reviews


    Tree register

    United States

    Origins

    • Species: Prunus salicina - Japanese plum

    Identification

    • Country of origin: United States
    • Period of origin: 1950 - 1999
    • Fruit colour: Red
    • Flower colour: White
    • Leaf colour: Green
    • Annual cycle: Deciduous
    • Flesh colour: Golden / Yellow
    • Fruit size: Large
    • Fruit shape: Round

    Using

    • Cling-stone: Clingstone
    • Picking season: Mid
    • Keeping (of fruit): 2-3 weeks
    • Flavour quality: Good
    • Cropping: Good
    • Fruit persistence: Normal ripening
    • Food uses: Eating fresh
    • Food uses: Culinary
    • Food uses: Dual purpose
    • Picking month: July

    Growing

    • Gardening skill: Average
    • Flowering group: 1
    • Pollinating others: Average
    • Vigour: Average vigour
    • Bearing regularity: Regular
    • Organic culture: Suitable
    • Attractive features: Attractive fruit
    • Self-fertility: Self-fertile
    • Site conditions: Sheltered site
    • Sunlight: Prefers full sun
    • Pruning: Do not prune
    • Flowering season: Mid-season

    Climate

    • Cold hardiness (USDA): Zone 5 (-29C)
    • Chill requirement: High-chill
    • Climate suitability: Temperate climates
    • Climate suitability: Warm climates
    • Cold-hardiness: Cold-hardy
    • Summer average maximum temperatures: Hot (>30C / 86F)

    Other qualities

    • Disease resistance: Good
    • Brown rot: Some resistance
    • Bacterial canker: Some resistance

    Where to buy trees

    The following tree nurseries offer AU Rosa plum trees for sale:


    Where to buy fresh fruit

    No orchards have registered as growing this variety. If you grow this and want to register please go to our Orchard Registration form.



    Varieties you viewed