Articles in this category provide guidance on what defines tree quality. It details how Trees Impact ensures their trees meet the Australian Standard AS2303 (formerly Natspec). It also details generally what tree quality is and how Trees Impact and their nursery, Karignan Plantation ensure quality.
The Corymbia “Variegata” being grown by Trees Impact provide an exciting Spotted Gum alternative to the much desired but problematic, Corymbia maculata. What we know as “Spotted Gum” extends over a range from the South Coast of NSW to Southeast Queensland. It has been a long-favoured “Gum” for use in Read more…
While most criteria found in AS 2303 mirror those found in NATSPEC, even if they have been relaxed a little at times, the one area where there has been significant change is in the application of the criterion for tree stock balance. It is widely recognised that the root system should Read more…
Assessing trees using ‘AS 2303:2018 – Tree stock for landscape use’ The new Australian standard AS 2303:2018 (Tree stock for landscape use) is now out and can be applied to tree stock for your projects. Include it in your documentation and requests for tree supply then assess the trees supplied Read more…
AS 2303:2018 Tree stock for landscape use – A quick review The new Australian Standard for trees was first released in 2015 then revised, upgraded and re-released late last year as AS 2303:2018. It has evolved from the NATSPEC Specification for trees (as found in Specifying Trees; Clark R, 2003; Read more…
Why Buy the Best Available Trees? 1. THEY WILL LOOK GREAT Well-grown trees look great and will enhance your project from day one. And, where projects evolve in stages over time, great looking early stages will add value to the later ones. Good trees will have deep, balanced crowns on Read more…
Prolonged staking ruins trees. If trees don’t need to support themselves, they won’t. So they develop a dependency on the support provided by the stake, fail to develop the strength needed to hold themselves upright and collapse when the support is taken away. Sometimes this can be corrected with good management over Read more…
SHOULD THERE BE “GRADES” OF TREES AVAILABLE? It has been suggested to us by some growers that the standard for trees set by the NATSPEC specification is too high and that trees really don’t need to be that good. Our response to that is: If it is simply the act Read more…
AS 2303:2018 Tree stock for landscape use – Who grows conforming trees? The Australian standard for trees (AS 2303:2018) should be applied to tree stock for your projects. All our major tree growers are capable of growing conforming trees. But there is no externally audited accreditation scheme available in Australia Read more…