|Grow as a houseplant or under heated glass.
|10 to 15C+
|Indoor / Outdoor
|Grow indoors, or outdoors in summer in a sheltered spot
|5 to 10C
|Grow outdoors in summer, and in a heated glasshouse in winter.
|1 to 5C
|Grow outdoors or under glass without risk of frost.
|-5 to 1C
|Hardy in coastal/mild/sheltered areas. Will not tolerate hard/sudden frost. May require winter protection in situ. such as fleece or straw mulch.
|-10 to -5C
|May suffer at altitude, central/northerly locations, harsh winters, cold gardens and when grown in pots.
|-15 to -10C+
|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.
|-20 to -15C
|Will survive severe winter, but may need protection when grown in pots.
|-20C & Colder
|Very Hardy / Hardy
|in the severest European climates.
Originating from Japan
Sekkan-sugi quickly develops into a graceful conical tree with gently weeping branches covered in a herringbone pattern of sulphur yellow leaves in spring which turn darker green as the season progresses. It makes an outstanding architectural statement in the garden.
Grow in moist but well-drained soil in sun/part shade.
Height and spread after 3 – 4 years 1.5m x 1m
Semi mature height and spread after 10 – 12 years 3m x2m
Potential mature height and spread after 20 years 6m x 3m