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Grevillea ‘Royal Mantle’ Growing Guide


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Grevillea ‘Royal Mantle’ is a hardy native and a wonderful ground cover. It works well to cover a rockery or if you need to cover an embankment. Wildlife absolutely adores this shrub so you’ll have some natural visitors to your garden too. Let's find out more about this Grevillea variety below. 

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Family:

Proteaceae

Genus:

Grevillea 

Hybrid:

G. laurifolia x G. willisi

Common name:

Grevillea ‘Poorinda Royal Mantle’

Origin:

Australia

Location:  

Outdoor

Type:  

Growth: 

Up to .5 metres tall and 6 metres wide

Sun requirements: 

Full sun to partial shade

Foliage Colour: 

Bronze/red new growth that becomes green

Flower Colour: 

Red

Flowering: 

Winter to late spring in abundance, but blooms throughout the year

Fruit: 

None

Maintenance level:

Low

Poisonous for pets: 

No

Introducing Grevillea ‘Royal Mantle’

The Grevillea ‘Poorinda Royal Mantle’ is just one of many Poorinda cultivars that were introduced during the 1970s and 1980s. The name Poorinda comes from a property in Gippsland, Victoria, that belonged to Leo Hodge.

He was the creator of various hybrids of Grevillea. The name comes from an aboriginal word and means ‘light’.  If you have a low wall that needs some of nature’s decorating, the Grevillea ‘Royal Mantle’ will look great draped over it. 

The shrub flowers throughout the year, but its most generous blooms are during winter and spring. If the Grevillea ‘Royal Mantle’ is grown in full sun, you should enjoy an abundance of red flowers that are toothbrush shaped. When the new leaves emerge, they are a brilliant shade of brown, bronze and red. 

Grevillea ‘Royal Mantle’ is able to grow down very steep banks, and offers generous coverage that spreads quickly. The shrub can achieve a maximum spread of up to 6 metres. You’ll find this lovely shrub growing in most parts of Australia. It is both drought and frost tolerant. 

For our full list of varieties, check out our main Grevillea post

How to Grow Grevillea ‘Royal Mantle’

Propagating Grevillea ‘Poorinda Royal Mantle’

Grevillea ‘Royal Mantle’ can be propagated from seed or from semi-hardwood cuttings. 

Caring for Grevillea ‘Royal Mantle’

  • Sunlight - Grevillea ‘Royal Mantle’ enjoys growing in full sun but will also do well in partial shade.
  • Watering - Grevillea ‘Royal Mantle’ doesn’t need much water once it’s established. Our recommendation is to water your shrub for the first 2 or 3 months until it has settled.
  • Soil - Your Grevillea ‘Royal Mantle’ requires a well-draining soil like clay loam or sand. The pH can be neutral to acidic. You can add some leaf matter and mulch around the roots
  • Pruning - Pruning of your Grevillea ‘Royal Mantle’ is as required to keep it in shape. Whatever maintenance you are doing, try not to disrupt the shrub’s roots. 
  • Fertiliser - We recommend giving your Grevillea ‘Royal Mantle’ an application of fertiliser in spring and summer. You can use a good quality slow release native fertiliser when you see the buds starting to form.

    Give plenty of water after the feed to avoid burning the leaves. Also remember that grevilleas are sensitive to phosphorus so ensure a ratio under 3%.

Grevillea ‘Royal Mantle’ Pests and Diseases

Grevilleas in general don’t struggle too much with disease or pests. If there is anything to look out for, it would be a fungal disease. The main ones that could affect a grevillea are leaf spot, Armillaria root rot, cinnamon fungus, and sooty mould.

Grevillea ‘Royal Mantle’ Frequently Asked Questions

As a hybrid cultivar, what were the parent plants used to create Grevillea ‘Royal Mantle’?

Grevillea laurifolia from NSW and Grevillea willisii from Victoria. 

What is Grevillea ‘Royal Mantle’ most commonly used for in gardening?

This type of grevillea is great for erosion control and is well planted on a slope or as a groundcover under other shrubs and trees.

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Have Fun Growing Grevillea ‘Royal Mantle’

Grevillea ‘Royal Mantle’ is an incredibly popular cultivar and much loved for its eye-catching leaves and brush shaped flowers, as well as its usefulness and hardiness. Grevillea ‘Royal Mantle’ was one of many cultivars of its kind released in the 1980s and is one of the longest lasting and most loved. 

Last Updated on February 23, 2024

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About the author 

Nathan Schwartz

Hey, I'm Nathan Schwartz, team member at Aussie Green Thumb since 2020. I have a passion for edible plants and Australian native plants, both in the garden and in the Aussie bush.

As an avid traveller and camper, I love seeing the different landscapes and flora that Australia has to offer, and try to incorporate this into my own daily living.

Whether I am living on the road, in an apartment or have a big backyard working with practical and usable gardens in small spaces is my specialty.

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