Data specific to Roses (Edit)
Bloom size: Medium: 2-3"
Bloom shape: Other: Saucer-shaped
Petal count: semi-double: 8-15 petals
Rose bloom color: White and white blend
Extra Bloom Info: In clusters
Rebloom: None
Class: Alba
Extra Color Info: White, with yellow stamens
Growth Habit: Typically 8-10 feet
Fragrance: Strong
Hybridizer & year: Unknown, before 1629
Optimal growing zones: USDA zones 3-9

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9a
Plant Height: 8-10 feet
Plant Spread: 5-6 feet
Leaves: Deciduous
Flowers: Showy
Fragrant
Flower Color: White
Flower Time: Late spring or early summer
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Miscellaneous: With thorns/spines/prickles/teeth
Awards and Recognitions: RHS AGM
Parentage: sport of: Alba Maxima

Image
Alternative cultivar names:
  • 'Alba Semi-plena'
  • 'La Rose de York'
  • 'La Rose d'York'
  • 'Rose Vierge'
  • 'White Rose of York'
  • 'Bonnie Prince Charlie's Rose'

Common names
  • Rose
Also sold as:
  • Semiplena

Comments:
  • Posted by SongofJoy (Clarksville, TN - Zone 6b) on Dec 20, 2011 2:35 PM concerning plant:
    Produces decorative hips that are high in Vitamin C and can be used to make tea.

    Can be grown as a climber in mild climates. Prune after flowering is finished. This rose blooms on old wood.

    Soil: Well-drained, or moist but well-drained, Acid, Alkaline or Neutral, Sand, Clay, Chalk or Loam.

    We found this rose growing on an old, abandoned property where the home had long ago been torn down. It was obviously unattended, received no special treatment or supplemental water ... and was blooming profusely.

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