|1||15C+||Indoor||Grow as a houseplant or under heated glass.|
|2||10 to 15C+||Indoor / Outdoor||Grow indoors, or outdoors in summer in a sheltered spot|
|3||5 to 10C||Tender||Grow outdoors in summer, and in a heated glasshouse in winter.|
|4||1 to 5C||Tender||Grow outdoors or under glass without risk of frost.|
|5||-5 to 1C||Half-Hardy||Hardy in coastal/mild/sheltered areas. Will not tolerate hard/sudden frost. May require winter protection in situ. such as fleece or straw mulch.|
|6||-10 to -5C||Hardy||May suffer at altitude, central/northerly locations, harsh winters, cold gardens and when grown in pots.|
|7||-15 to -10C+||Hardy||Will survive most severe winters but may be at risk in central/northerly locations and in pots. Top growth may be destroyed but will usually re-grow.|
|8||-20 to -15C||Hardy||Will survive severe winter, but may need protection when grown in pots.|
|9||-20C & Colder||Very Hardy / Hardy||in the severest European climates.|
(Crab apple ‘Royal Beauty’)
Originating from Europe, Asia and N. America
A small weeping tree with purple/red stems bearing leaves that emerge red and turn dark green with purple underside in summer. Single deep red/purple flowers in spring adorn this tree and in autumn, it’s dark red fruits hang from the slender dark branches and provide valuable food for wildlife.
Grow in moist but well-drained soil in sun/part shade.
Height and spread after 6 – 7 years 1.5m x 1m
Semi mature height and spread after 10 – 12 years if not pruned 2.5m x 2.5m