Buying Trees

Inoculation

At Gembrook we inoculate tree seedlings with DNA tested inoculum using expert methods developed and perfected in house over many years. The inoculation procedure is conducted as a sterile laboratory process soon after germination. Sterile media, containers and environmental conditions are absolutely essential to ensure invading, strongly competitive soil borne fungi such as Scleroderma and Hebeloma are excluded.

DNA testing of the inoculum is carried out by external certified laboratories as part of our quality assurance regime to avoid contamination from species such as T. brumale and T. indicum. Every effort is made to ensure a high level of colonisation with the desired truffle species.

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Analysing roots for colonisation

The seedlings are planted in tree tubes and grown on in a multi-span greenhouse for approximately eighteen months. Periodic microscopic sampling is carried out to check for truffle colonisation. Finally as part of the selection process, seedlings are checked before being released for despatch.

Certification

The Australian Truffle Growers Association (ATGA) conducts a certification/evaluation program to verify the truffle inoculated seedlings are adequately colonised with the desired truffle species. Certification is available (at additional cost) through Trufficulture and is performed by an independent laboratory. The evaluation comprises of comprehensive destructive examination of a statistical sample from a batch of trees for overall seedling health, root colonisation levels with desired truffle species, followed by DNA analysis to confirm the seedlings are free from other truffle contaminants.


Grower (wholesale) Orders

All truffle inoculated trees are grown to order and need to be forward ordered. Large orders need to be placed at least twelve months prior to delivery to be scheduled in the production plan. Orders are secured with a 25% deposit paid at the time of ordering.

Generally orders are placed at the time of liming and soil preparation. After amelioration with lime, it can take several months for the soil pH to reach the minimum requirement of 7.5

  • Plants are sold ex-farm gate
  •  Collection from our tree nursery & truffière in Gembrook, Victoria - Free
  • Delivery intrastate/interstate any quantity - POA
  • Orders may also be subject to a packing charge for some carriers
  • All Grower (wholesale) prices will have GST added.

To discuss your requirements and to obtain a current order form please contact the nursery. Enquiries welcome


Backyard (retail) sales

Some stock is available for adhoc /retail sales without having to place a pre-order. These are best suited to gifts and hobby scale plantings and is limited to order quantities of 1 to 10 plants.

  • All retail prices include GST
  • All prices are excluding delivery (except where Postage & Packing is quoted)
Planting guide

See this link to a free planting guide (pdf) which includes a suggestion for liming your soil.
LINK TO DOWNLOAD PLANTING GUIDE PDF

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FRENCH (or HOLLY) OAK inoculated with FRENCH BLACK TRUFFLE

Quercus ilex with Tuber melanosporum

Evergreen oak . Neat and compact growing habit and much smaller than the English oak. In Spain and France this is the favoured truffle host tree. The famous French black truffle is delightful with very strong distinctive earthy, sweet aromatics. Needs a soil pH of above 7.5

Highlights

Evergreen tree

Famous French truffle

Most popular 

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ENGLISH OAK inoculated with FRENCH BLACK TRUFFLE

Quercus robur with Tuber melanosporum

Deciduous oak . Grows into a large tree. Has been used widely in Australia as a reliable host for truffles. The soil must be maintained at a pH around 8 using agricultural limestone.

Highlights

Large deciduous tree

Famous French truffle


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English Oak French Black Truffle

HAZELNUT SEEDLING inoculated with FRENCH BLACK TRUFFLE

Corylus avellana seedling with Tuber melanosporum

Seedlings propagated from a commercial hazelnut variety. It can produce edible hazelnuts but is mainly used as an effective host of truffles. Interplanted with oaks it lowers the canopy height to allow infiltration of more light.

Highlights

Dual crop potential

Deciduous

famous French truffle

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ENGLISH OAK inoculated with SUMMER BLACK TRUFFLE

Quercus robur with Tuber aestivum

Deciduous oak. Grows into a large tree. Has been used widely in Australia as a reliable host for truffles. Although not the famous French truffle this is another black truffle that is sweetly favoured and produces from January to March. The soil must be maintained at a pH of above 7.5, using agricultural limestone.

Highlights

Large deciduous tree

Summer harvest truffle


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English Oak French Black Truffle

FRENCH (or HOLLY) OAK inoculated with SUMMER BLACK TRUFFLE

Quercus ilex with Tuber aestivum

Evergreen oak. Neat and compact growing habit and much smaller than the English oak. Although not the famous French truffle this is another black truffle that is sweetly favoured and produces from January to March. The soil must be maintained at a pH of above 7.5, using agricultural limestone.

Highlights

Evergreen tree

summer harvest truffle

Feature three

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STONE PINE inoculated with BIANCHETTO WHITE TRUFFLE

Pinus pinea seedling with Tuber borchii

The stone pine is a famous Italian conifer producing edible pine nuts. It is also an effective host for the Bianchetto white truffle. Stone pines have a canopy in an umbrella shape and can be maintained to about 4 – 5M in height.

Highlights

Dual crop potential

Easiest truffle to produce


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