Griselinia littoralis

A little evergreen tree from New Zealand that in this country is often used as a hedge by the seaside as it's noted for its ability to tolerate salty winds and it clips well. The littoral (as in Griselinia littoralis) is an area next to water - be it lake, river or sea but in this case it grows near the sea in New Zealand. It's also famous for the pale apple green shade of leaf which is highly unusual. In inland gardens that are prone to late frosts, the young growth will sometimes be blackened by the frost but it recovers quickly and has no bearing on the general hardiness of the plant.

Very occasionally, you'll see it growing as a tree and this is how it excels. Lovely flaky bark, shapely and always responding well to a light going over with a pair of shears if you're that way inclined. The original cuttings we took from a very shapely little tree (in 1989) in the grotto garden at what is now South Lodge Hotel in West Sussex but it wasn't until I found one growing in the woods at Portmeirion in North Wales that I realised the full potential of this tree. It was 30ft tall but very wide - 60ft or more but what was really unusual (I never realised they did this) is the whole tree was festooned with hanging aerial roots, no doubt encouraged by the humidity of the sea and being in an area of high rainfall. The tree was probably planted in the late 19th century when the original house (now the Portmeirion Hotel) was built. After 20 years absence, I visited Portmeirion again in 2014 and went to see the tree but sadly, it was gone. It was above Whitesands Bay and probably succumbed to a storm. The only other tree in the British Isles that I've seen producing aerial roots to this extent are the New Zealand Christmas trees (Pohutukawa or Metrosideros tomentosa) in the Tresco Abbey Garden in the Scilly Isles.

The flowers are small green and unexciting. Growth is typically about 6ft after 5 years. Its close relative Griselinia lucida  is too tender to grow in this country but it's tantalising to know that this plant grows epiphytically in its native New Zealand. Would Griselinia littoralis do the same? We will be experimenting...

Severe frost (-4°c or below) will give the leaves a glazed, pendulous look. It can look terminal but it's not. They recover wonderfully well as soon as the temperature rises.

Propagated by cuttings. The original material came from a nice little tree in the grounds of South Lodge Hotel in West Sussex.

Features Hardiness rating

Hardy in the Home Counties if sensibly sited (avoiding severe frost pockets, for example). Many Amber Labelled Plants are from cuttings from well-established plants that have survived many harsh winters in the South-East.

This is only meant as a guide. Please remember we're always on hand to give advice about plants and their frost hardiness.

Please remember that these coloured labels are only a rough guide.

General Point about Plant Hardiness: The commonly held belief that it's better to 'plant small' is perfectly true with herbaceous plants, but not necessarily true with woody plants. They need some 'wood' on them to survive severe cold - so plants of marginal hardiness in very cold areas should really be planted LARGER, rather than smaller, wherever possible.

Coastal, Exposed, Grown by Us, Seaside, Shrubs, Soil - Clay, Soil - Dry/Well drained, Space & Light, Trees - Small Amber

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