Rewarewa
Knightia excelsa
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Pl. 31FB — Knightia excelsa
Knightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsaKnightia excelsa
IOverview
Overview
Rewarewa, known botanically as Knightia excelsa, is a native tree of New Zealand found in both the North and South Islands. This plant thrives in full to partial sun with moist soil that can range from light (sandy) to heavy (clay). It grows up to 20 meters tall and is hardy in zones 8-11. Rewarewa is notable for its edible nectar, which makes it a valuable resource for both wildlife and human consumption. Its distinctive feature includes vibrant red flowers that add ornamental value to gardens and landscapes.
Quick answers
What is Rewarewa?
Rewarewa, known botanically as Knightia excelsa, is a native tree of New Zealand found in both the North and South Islands. This plant thrives in full to partial sun with moist soil that can range from light (sandy) to heavy (clay). It grows up to 20 meters tall and is hardy in zones 8-11.
Growingconditions · propagation · uses
VCultivation
Cultivation
Rewarewa thrives in full sun to partial shade and prefers moist soil that is light (sandy), medium, or heavy (clay). It grows well in hardiness zones 8-11, making it suitable for temperate regions. To propagate, use seeds or cuttings. The plant can reach a height of 20 meters and its nectar is edible.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
8-11
Mature size
20.0 m tall
For first-time growers
How to grow Rewarewa for the first time
8steps
Start with planting Rewarewa in a sunny spot, and it will thrive as a beginner-friendly project.
- 1
What you'll need
Seeds or young plants, potting mix, watering can.
- 2
Best time to plant
Plant Rewarewa in spring when the soil is moist and warm.
- 3
Soil and container prep
Use well-draining soil with a pH between 6.0 and 7.5, ensuring it's light, medium, or heavy as needed.
- 4
Sowing or transplanting
Direct sow seeds in the ground or start young plants indoors before transplanting them outdoors.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.
- 6
Ongoing care
Provide full sun to partial shade, regular watering, and occasional pruning to maintain shape.
- 7
Harvest or pruning
Prune in late winter to early spring to encourage new growth and remove dead branches.
- 8
Common mistakes
Overwatering, planting in heavy clay soil without drainage, neglecting pruning, not providing enough sunlight.
VIEdible & utility
Edible & utility
Edible parts:Nectar
Edible uses: The nectar of the Rewarewa tree is edible and can be consumed directly or used in various preparations. It is often enjoyed fresh, straight from the flowers, but can also be collected and processed into syrups or jams for use in cooking.
Other uses:Lumber
Contextrange · companions · related
VIIDistribution
2 native · 0 introduced
Distribution
2 native · 0 introducedDistribution across0 continents· 2 native
Broader regions
native:New Zealand North, New Zealand South
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
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Growing zone
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