Chelsea Flower Show 2015 Tour, 17-24 May


Welcome to the online home of Keith Kirsten & Keith Kirsten Horticulture International (Pty) Ltd or better known as KKHI. We are a leading specialist horticulture and landscape Project Management company based in South Africa. From hotels; wine & private estates to large corporate contracts - we develop, implement and maintain large scale landscapes of integrity and distinction for local and international clients. We are also the head licensee, agent and marketer in South Africa for international partners such as

Proven Winners, Anthony Tesselaar and David Austin Roses.

Feel free to browse our website for more detailed information or contact us for any questions or enquiries.

  • Some exciting news!

    Gauteng gardeners, and gardeners willing to travel far and wide, herewith some exciting news! In Spring 2015 a big surprise awaits you. Watch this space as a new block will be revealed each month until the final picture is revealed!

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  • Chelsea Flower Show 2015 Tour

    Join Keith Kirsten on his tour to the 102nd Chelsea Flower Show and Boutique Gardens of England. Tour Price: R36,989.00 per person sharing; Single Supplement: R8843.00 (Subject to foreign exchange fluctuations). For more info or to book contact Dianne on 011 772 1112 or This email address is being protected from spambots. You need JavaScript enabled to view it.

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  • Cordyline's!

    Euphorbia "Diamond Frost" - Your best budding friend! Clouds of white flowers all season!

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  • Relais & Chateau Garden Trophy 2015

    Delaire Graff Lodges & Spa received the 2015 Garden Trophy Rozès from acclaimed Relais & Chateaux at their annual conference in Paris. The Delaire Graff Lodges and Spa gardens, tucked away in the picturesque winegrowing region of the South African Cape Winelands, were designed and masterfully landscaped by celebrity horticulturalist, Keith Kirsten and his incredible team. Kirsten's expansive knowledge of African flora has enabled him to create an uncompromisingly spectacular display that blooms 365 days a year – a fitting backdrop to the Estate's art, architecture and ambience.

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  • Proven Winners

    Looking for plants you can trust to create a beautiful, easy-to-maintain garden? All you have to do is look for the Proven Winners name to know you're getting the most distinctive plants on the market. That's because Proven Winners partners with the top plant breeders around the world to ensure our varieties are vigorous, healthy, vibrant, and unique.
  • David Austin Roses

    David Charles Henshaw Austin OBE (born 16 February 1926) is a rose breeder and writer who lives in Shropshire, England. His emphasis is on breeding roses with the character and fragrance of Old Garden Roses but with the repeat-flowering ability and wide colour range of modern roses such as Hybrid Teas & Floribundas. SA growers: Ludwig's - & Duncan's Roses
  • Petunia Supertunia's

    Petunias are one of the most popular bedding flowers. They have wide trumpet shaped flowers and branching foliage that is hairy and somewhat sticky. They are prolific bloomers, although some forms require dead-heading to keep them going. Most varieties will bloom throughout the summer, except in extreme heat. You can now find petunias in just about every colour.
  • Tip of the Month

    Hanging baskets have a rough life. They hang in the sun, in the wind, and they take a lot of abuse. But you can make it easier to keep them looking good! Some tips: Be sure your pot has drainage holes; Water only when the top of the soil is dry to the touch; Water until water comes out of the drainage holes; Don’t allow your pot to sit in standing water
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  • JoJo Owl House
  • Rainwater Harvesting
  • South Africa's Garden Getaways

jojoowlhouseThe JoJo owl box can be installed by:

1. Attaching it to a wall
2. Placing it on a pole (pole base plate included)
3. Affixing it onto a flat surface by cutting off the pole base plate and levelling the bottom surface.

Guidelines to encourage raptors and owls in assisting with rodent management:

1. Erect perches around and in the fields to enable birds to catch rodents that venture into the crop fields.
2. It is advisable to have a cleared area of at least 2m wide around the field with perches erected within the area.
3. Perches for raptors should be made of 3m x 50mm gum or poplar poles and be planted to have a height of 2.4m above the ground surface.
4. Perches for owls can be shorter – 1.6m x 30mm gum or poplar poles that are planted to a height of 1.4m.
5. For both perches long sisal inflorescence stems may also be used to save on costs. Long and short poles should be planted at the outskirts of the tilled zone at 50m intervals.
6. No cross arms should be erected on perches as previous experience indicates that the birds prefer straight poles. Untreated wood is the best to use.
7. To attract owls and diurnal raptors to the perches, it is advisable to scatter a few handfuls of crushed grain around the perches the late afternoon. Gerbils will soon discover the food and lure owls and raptors to the perches.
8. It is advisable to removed barbed wire from fences where perches are erected in close proximity to fences as owls are often trapped by barbs when they try and perch on fences, This is particularly true for marsh owls, barn owls and spotted eagle-owls.
9. Should crop field fences have smooth wire the fence post could be modified to suit as owl and raptor perches. No rodenticides should be applied while raptor perches are up. Should rodenticides become necessary, the perches should be taken down.
10. Rodent food supply. It may be worthwhile to put some grain out around the raptor perches outside the perimeter fence to habituate rodents to the immediate areas around the perches.

Order uors today! Please visit for more information


  • Rainwater-harvesting ref1Rainwater harvesting is the collection, storage and distribution of rainwater and the perfect storage facility for rainwater is a water tank.
  • Rainwater can essentially be used anywhere you use tap water.
  • The idea of using drinking water to flush toilets and water lawns is wasteful and irresponsible, especially in light of the population growth and water shortages across the country.
  • Rainwater harvesting greens your home lessens your environmental footprint. Rainwater is an absolutely FREE source of water.
  • You will reduce flooding and erosion caused by storm water run off


  • 1mm of rain allows you to harvest 1L of water per m2 of roof area – just allow for a 15% wastage factor.
  • Make sure that your gutters are installed to direct rainwater to rain water tanks.
  • An annual rainfall of 500 mm on a roof surface of 50 m² amounts to 25 000L of potential safe drinking water that can be preserved (40L per day for 625 days) or wasted! In South Africa, the water allocation per day per person is 25L


  • Your water tank filled with harvested rainwater provides water security when the municipal water is cut off for any reason whatsoever. If your tank is connected to the water mains, it will act as a storage buffer and depending on the size tank installed you will have running water for up to 48 hours.
  • A water tank gives you total control over your water supply
  • The process uses simple technologies that are inexpensive and easy to maintain
  • A rainwater harvesting system can be easily retrofitted to an existing structure or built during new home construction.
  • JoJo Tanks are available in a variety of sizes from 260L to 20 000L. Simply select the size most suited to your requirements and start harvesting water for security!


  • Make sure that the tank is completely sealed (naturally you need to provide for an inlet pipe or gutter) to prevent evaporation and mosquitoes from breeding
  • Make sure that the tank has a sieve to catch leaves and twigs that flow down the gutters

 For options on various tanks available, please visit 

SanbiLogoThe South African National Biodiversity Institute (SANBI) is an autonomous, state-aided organisation whose mission is to promote the sustainable use, conservation, appreciation and enjoyment of the exceptionally rich biodiversity of South Africa, for the benefit of all people. This Garden Getaway brochure is a brief introduction to the eight National Botanical Gardens strategically situated throughout the country in five major natural regions or biomes.


 Free State National Botanical Garden - Typical of the grassland region, this garden spans a valley between picturesque dolerite koppies (small hills) capped with rocky outcrops. R702 Rayton Road, Bloemfontein - off Dan Pienaar Drive. Tel: 051 436 3530 / 051 436 3612 | e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

HaroldPorterHarold Porter National Botanical Garden - Nestled between the sea and the mountains where streams and amber-coloured pools flow, this tranquil garden that feeds the soul is home to many of the Cape's fynbos riches. Clarence Drive, Betty's Bay. Tel: 028 272 9311 } email: This email address is being protected from spambots. You need JavaScript enabled to view it.


 Karoo Desert National Botanical Garden - Against the backdrop of spectacular 2000m mountain peaks, the garden features arid and semidesert plants. Roux Way, Panorama - off N1 National Road. Tel: 023 347 0785 | e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.



KwaZulu Natal National Botanical Garden - Designed around a magnificent plane tree avenue and century-old trees, this historic garden enthrals visitors with displays of indigenous forest and grassland plants. Mayor's Walk, Pietermaritzburg. Tel: 033 344 3585 | This email address is being protected from spambots. You need JavaScript enabled to view it. 

KirstenboschKirstenbosch National Botanical Garden - Situated on the eastern slopes of Cape Town's Table Mountain, Kirstenbosch is internationally acclaimed as one of the seven most magnificent botanical gardens in the world. Enjoy superb displays of a wide variety of indigenous plants and explore natural fynbos and forest in a spectacular setting. Rhodes Drive, Newlands, Cape Town. Tel: 021 799 8899 | This email address is being protected from spambots. You need JavaScript enabled to view it. 

LowveldLowveld National Botanical Garden - En route to the Kruger National Park, this African garden occupies an outstandingly beautiful site in the subtropical heart of Mpumalanga Province. Off the R40 White River Road, turn off at Riverside Value Mart intersection. Tel: 013 752 5531 | This email address is being protected from spambots. You need JavaScript enabled to view it.

PretoriaPretoria National Botanical Garden - An urban retreat of seasonal surprises, located on the outskirts of Pretoria, showcases many southern African plants in all their seasonal guises. 2 Cussonia Avenue, Brummeria, Pretoria. Tel: 012 843 5172 | This email address is being protected from spambots. You need JavaScript enabled to view it. 


WalterSisuluWalter Sisulu National Botanical Garden - Discover the breathtaking Witpoortjie Waterfall, beautifully landscaped indigenous gardens and a nature reserve along the Roodekrans Ridge. Malcolm Road, Poortview, Roodepoort. Tel: 011 958 1750 | This email address is being protected from spambots. You need JavaScript enabled to view it. 



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