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Taking you on a journey from initial planning right through to maintenance, GreenBlue Urban are excited to present The Process of Successful Urban Tree Planting, a webinar series covering urban tree planting best practice.

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1 | Why we need urban trees

Date: 9th Jul 2018

Time: 14:00 GMT

Duration: 20 Minutes

General discussion to include historical context of street trees, increased mortality over the past 70 years, factors that influence this. To cover benefits of urban tree canopy, and vital importance of getting planting techniques right now to become prepared for climate change. Particular reference to increasing urban runoff due to hard paving increases, front garden paving and impermeable surfacing.


2 | The basics of urban tree planting

Date: 3rd Aug 2018

Time: 14:00 GMT

Duration: 20 Minutes

This seminar covers the essential elements to achieve success, including selecting healthy tree stock, evaluating soil requirements, both in quality and volume, ensuring both water access and drainage, aeration needs, physical protection options and need to provide a maintenance regime.


3 | Tree pit preparation

Date: 10th Sept 2018

Time: 14:00 GMT

Duration: 20 Minutes

How to identify suitable position for a tree, how to identify likely below ground utilities, excavation methods, correct tree pit dimensions, how to work around service issues. How to check for soil porosity to decide on drainage requirements and correct installation of drainage layer.


4 | Root Management Systems

Date: 3rd Oct 2018

Time: 14:00 GMT

Duration: 20 Minutes

Root management options, including flat ReRoot barrier, ribbed ReRoot barrier, Root Directors and RootForm products. How to install correctly, principles of root morphology, understanding root baiting. Long term case studies.


5 | How to irrigate and aerate rooting zones

Date: 2nd Nov 2018

Time: 14:00 GMT

Duration: 20 Minutes

Correct product selection, how to install correctly, how to maintain, principle of water and air movement through soil. Importance of understanding tree requirements of moving water through tree pits, not drowning tree and not allowing vascular thrombosis.


6 | Urban Soil Health & Structure

Date: 3rd Dec 2018

Time: 14:00 GMT

Duration: 20 Minutes

Basic soil science, soil components, micro and macro pores, compaction issues, micro-biology, pitfalls of compacted structural soil systems, Bartlett Tree Labs report, beginnings of soil cell technology, RootCells, StrataCells, RootSpace developments. Recreating forest floor environments below hard paving.


7 | Tree support

Date:7th Jan 2019

Time: 14:00 GMT

Duration: 20 Minutes

Introducing the principle of underground guying, dead-man systems, plate systems, drive in anchor systems. Correct staking options, use of NatureTie, single, double, triple and angled staking.


8 | Tree Protection

Date: 1st Feb 2019

Time: 14:00 GMT

Duration: 20 Minutes

Understanding correct use of wire mesh guards, Tree grilles including Laser cut steel, Clyde, Ductile Steel, Pre-Cast, Castle, SettStone, Zeta options, Arboresin wet pour, vertical guard options. How to install, and when to remove.


9 | Tree Maintenance Protocol

Date: 5th March 2019

Time: 14:00 GMT

Duration: 20 Minutes

Seminar to cover maintenance requirements for urban trees including watering requirements, tree health testing, pruning to achieve tree shape desired, clearing of irrigation inlets, soil moisture content checking, understanding of evapotranspiration rates depending on temperature and wind speed.