Friday, 1 February 2019

How to Design and Build A Forest Garden - Part 1. Surveying

Last Autumn we tried out a new course format, the "Design 'n Build", an intensive practical course where we go through the whole design process and complete the build of a project within 3 days.

We had an amazing group join us for our first course and managed to complete the design and build of a 100 m2 forest garden consisting of around 120 plants representing 22 species (not including the local plants).

Forest Gardens are an excellent way to produce food and other resources for humans while enhancing biodiversity by providing a range of habitat for wildlife within the design. They are very enjoyable to design, build and interact with. Creating a forest garden is an intellectual pursuit as well as a physical one. It’s like a living, 3D amorphous puzzle that you can eat : )


Produce and Residents from Our Forest Gardens

We have another Design n' Build A Forest Garden Course April  23 -26 2020  coming up in the Autumn but if you can't make it to the course to experience for yourself the creation of this new  garden, you can use this post as a guide to get going wherever you may be.

We've also just launched an online learning platform that you can discover here.  As far as we know the very first of its kind! where you will learn how to Design, Build and Manage Polycultures for Regenerative Landscapes, Gardens, and Farms.

Polyculture Design - Online Interactive Course - How to Design, Build and Manage Polycultures for Regenerative Landscapes, Gardens, and Farms 



The design for the garden we built in Autumn 2018 


The Forest Garden, depicting the garden when initially planted and when mature  



Here is how we designed and built this forest garden

Photos from the Design n' Build A Forest Garden Course in Autumn 2018


The Site Specs   


​Climate: Temperate
K√∂ppen Climate Classification - Dfc borderline Cfb
USDA Hardiness Zone: 5b - 7a
Latitude: 42°
Elevation: 574 m
Average Annual Rainfall: 588.5 mm


Ataraxia - Forest Garden -  before and after


A great starting point for any land based design is surveying the plot and surrounding area. On the first day of the course following a brief introduction we got straight to work with the climate surveys. This work that can be largely achieved with a PC and the internet. 

Climate Survey


We start with the climate survey that helps to define the boundaries of our options. The kind of information we are looking for here is as follows:

Mean temperatures and the average amount of rain your site receives each year and in what months that rain is received. It's very useful to have the extreme records for this info too, i.e, what is the most amount of rainfall recorded in any one event in any one month and what were the hottest and coldest days recorded.     


How much light your site receives throughout the year and how that light is distributed on the ground (which objects create shade)


If relevant, how many days of snow cover will you receive  


Temperature patterns of your site. The lowest and highest recorded temperatures are very important to know, as are the dates of your first and last frosts


The wind patterns of your site, from which direction does the wind blow and how intense is that wind?  

You can find the above information with the charts at www.meteoblue.com


Botanical Survey


We then moved onto the site to take a look at the botany, taking note of the vegetation, specifically the layers that are already growing on the site. Obviously we did not have time to record all of the plants (best achieved by surveying in each season)  but we have been making these records for the last few years. We looked at a few indicator species and methods to categorise and record plants. 



Making a botanical survey is a great way to really get to know your site and of course, the resident  plants.

Some of the amazing polyculture that already exists on the site (photos from spring- summer)

Here's a list of some of the existing plant species from this site.



TREESHERBS
Crataegus sp.
Hawthorn
Hypericum perforatum
Perfoliate St John's Wort
Prunus cerasifera
Myrobalan Plum
Verbascum thapsus
Great Mullein
Cornus Mas
Cornelian Cherry
Veronica sp.
Speedwell
SHRUBSCruciata laevipes
Crosswort
Rosa Canina
Dog Rose
Galium aparine
Cleavers
Rubus fruticosus var.
Blackberry
Bellis perennis
Daisy
Prunus spinosa
Sloe
Malva alcea
Malva
HERBSVicia lutea
Yellow Vetch
Mentha longifolia
Horsemint
Medicago arabica
Spotted Meddick
Cichorium intybus
Chicory
GROUND COVER
Origanum vulgare
Oregano
Lamium maculatum
Spotted Dead Nettle
Ranunculus spp.
Buttercup
Clematis vitalba
Travellers Joy
Aristolochia clematitis
Birthwort
Hedera helix
Ivy
Vicia hirsuta
Hairy Tare
BULB
Plantago major
Greater Plantain
Ornithogalum sp.
Ornithogalum
Plantago media
Hoary Plantain
Muscari neglectum
Grape-hyacinth
Vicia cracca
Tufted Vetch
Corydalis bulbosa
Corydalis
Orlaya grandiflora
White Lace
Scilla bifolia
Alpine Squill


In all of the perennial polycultures I design, my intention is to retain all of the existing species and to add more edible/productive plants along with fertility/support plants to assist them. More often than not many of the plants already growing on your site will be edible, medicinal, attractive to wildlife and fascinating organisms that are well worth getting to know. 

Soil Survey


Next we made a simple but effective soil survey to gauge the quality of the soil we are working with.





The soil test covers the below:

1.GROUND COVER - What is covering the surface of the soil
2.PENETROMETER - How easy is it to penetrate the soil
3.INFILTRATION - How quickly the soil drains water
4. DIVERSITY OF MACROLIFE - Quantity of visible soil organisms present on the surface
5. ROOT DEVELOPMENT - How the plant roots are distributed throughout the soil profile
6. SOIL STRUCTURE - How the solid parts of soil and the pore space between them are arranged
7. AGGREGATE STABILITY - How stable is the structural arrangement
8. EARTHWORMS - How many
9. LAB ANALYSIS - pH - the mineral content of your soil


Katrin, Andreas and Frances Making the soil test.

Apart from Lab Analysis, all of the tests can be carried out with materials you will likely have around you. This soil test, when repeated each year, is a great way to track the progress of your soil overtime and to see how your methods are increasing or decreasing the health of your soil. The tests were developed by Northern Rivers and you can find full instructions and more info here.

A quick intermission just to let you know we've revamped our Online Store where you can find Forest Garden/ Permaculture Plants, Seeds, Cuttings, Bulbs, Rhizomes and Polyculture Multi-packs along with digital goods and services such as Online Courses, Webinars, eBooks, and Online Consultancy and finally we've added a Bulk Fruit and Nut Tree order form for Farms, Orchards, Nurseries, and Large Regenerative Landscape Projects. If there is anything in the store you would like to see but is not there, please let us know. We hope you enjoy the store and find something you like :) It's your purchases that keep our Project going. Thank you. Enter Our Store Here

Plants, Seeds, eBooks, Consultancy, Bulk Fruit and Nut Tree Orders for Permaculture, Polyculture, Forest Gardens and Regenerative Landscapes.

Cadastral and Topography Survey 


After lunch we were back on site for the cadastral survey, to  mark the perimeter of the design area and to make a topography survey in order to gain an understanding of the shape of the ground i.e where it slopes, high points and low points etc.

Cadastral - In this case the boundary for the garden was defined by existing features of the site, i.e, a hedgerow to the west, a main access path to the east, the property boundary to the south and an overflow swale for the main pond to the north. When marking the boundaries of the design we made sure to include a 1 m wide pathway around the entire area.



The corners of the plot were staked and we measured the distance between each corner with a measuring wheel taking note of each distance between each point in order to recreate the design on software later. You can also do this with a very accurate GPS (RTK based) and an orthophoto (an aerial photograph or image geometrically corrected such that the scale is uniform and corresponds to the GPS data).

A standard smart phone GPS and google earth do not provide anything of practical use at this scale. For a multi hectare plot they are adequate to gain a general impression.



Topography Survey - Next we embarked upon the topography survey

Using a transit level we established the contour lines on the site and measured elevation distance from the highest to the lowest point of the site. 

We found we have a mild slope from the North to the South and towards the East. Given that we have an irrigation channel to the west of the garden this meant that we could arrange irrigation channels and  planting patterns to take advantage of gravity to irrigate all of the plants on the site.

The irrigation channel design we choose determined the layout of our access which in turn provided  us with a number of subdivisions within the plot.





That's all for this post, and in How to Design and Build A Forest Garden - Part 2 - Creating, we will look at how we selected plants for the design, the rationale behind our plant placement , how we prepared the site for the work to begin,  how we established the irrigation channels, pathways and planting zones for the plants, our planting out techniques and how to manage the garden.

If you enjoyed this post please leave us a comment and a like and even better share it with your friends on social media. The more our articles are shared the more likely they are to appear in search engines and the further we can reach people with our message and grow our project.


If you are would like to learn how to  Design and Build A Forest Garden ,we have a webinar coming up on the 28th November 2020 - 19.00 GMT+3.  It's a live session where we'll go through step by step what you need to know to get started and end with a Q&A session. We'll send you a recording of the webinar when it is finished along with our design spreadsheets and plant lists to help get you started with your own Forest Garden Design.  

The webinar will be hosted on zoom and you can book your place here - Looking forward to it!

How to Design and Build A Forest Garden - Webinar

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Our project grows with our desire to provide better quality information. Our overheads and demands on our time also grow along with our development and this presents a challenge for us to maintain the project and activities. We do not receive any government, institutional or NGO funding for our project and rely on revenue from sales of our courses, plants, consultancy, and design work along with the support of our amazing volunteers to develop and manage the gardens and are very grateful for this. So please consider joining us for a course or event, purchasing products and services from our online store or plants from our bio nursery, participating in our online educational platforms and support the project while we support you. Feeling super generous today? You can also support us directly with a one-time donation or become a sponsor of our project providing monthly support. With your support, we will continue to improve on producing quality information and data for the community, building a world-class demonstration landscape and progress on our mission to develop and promote practices that can produce food and other resources for humans while enhancing biodiversity.

 

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Permaculture and Regenerative Design Internships


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3 comments:

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    ReplyDelete
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    ReplyDelete