|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.|
Out of stock
Originating from Santa Maria Island in the Azores
An upright, tree-like architectural evergreen with blue/green leaves and russet flowers in spring that smell of honey, followed by pea-sized fruits that pop. One of the most spectacular of the honey spurges, endangered in the wild and extremely rare in cultivation. We have it growing at our Beccles nursery in an exposed site where it has endured snow and freezing easterly winds unscathed so far.
Grow in moist but well-drained soil in sun/part shade.
Height and spread after 1 – 2 years 80cm x 80cm
Semi mature height and spread after 3 – 4 years if not pruned 1.5m x 1.5m
Potential mature height and spread after 6 – 8 years 4m x 2m