KNIGHTIA excelsa

Commonly known as New Zealand honeysuckle, Rewa rewa

A New Zealand native tree with long glossy green leathery leaves. Deep red callistemon-like flowers
Further Reading....
  • Evergreen
    Leathery leaves. Adult leaves are narrowly oblong 10-15cm (4-6in) long, blunt-toothed and stiff.
  • Red
    Deep red
  • Height
    30m (98ft)
  • Spread
    10m (33ft)
  • Tree
    Tall, usually columnar tree with many short, lateral branches. Flowers are covered with short, velvety, red-brown hairs and are followed by narrow seed pods.
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun
    Shelter from cold winds
  • Partial shade

KNIGHTIA excelsa

 
Estimated availability autumn 2022 - Not yet confirmed. Could be any time between September and December.
£25.00 each 
Delivery Information Estimated availability autumn 2022
plant size comparison icon 3 - 5 Litre
Click to see photo
  • Additional Features
    Good to know
    Flowers are rich in nectar and attract insects
    Pests & Diseases
    Red spider mites if in greenhouse
    Place of origin
    New Zealand
  • Flower Shape
    Racemes
    10cm (4in) long
    Tubular
    2.5-4cm (1-1½in) long
  • Hardiness
    Frost hardy (down to -5)
  • Leaf margin
    Entire
    		(see photos above)
  • Leaf shape
    Oblong
    		(see photos above)
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.

    RHS group 1
  • Seasonal Interest
    Spring
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
    Neutral to acid soil
  • Tree Shape
    Narrowly columnar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Knightia - Growing Guide
Trees - Care Guide
30m (98ft)
 tree - guide for size not form Average Person
  10m (33ft)
  

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

Garden Goodies
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen. Just stick them in your pot or border. Pack of 6.
Only £10.20

Garden Goodies
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots. Comes with chalk pen. Pack of 5
Only £10.20

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