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* Legal Disclaimer*
I would like to point out that SoG
employs a large number of plants to achieve its ultimate
goal. Many laws in many regions, countries, and states
base its penalties on plant numbers and weight. I highly
suggest researching your local laws before attempting
any SoG operation, pay special attention to allowable
plant numbers. Educate yourself before making any final
decisions. If you are in the US, surf the local norml
websites for information regarding state to state laws.
This thread is not intended to promote or encourage the
possession, use, or manufacture of any illegal
substances. The material herein is presented for
reference and informational purposes
only.
In The Beginning
“The Sea of Green came about in the mid-1980s,
supposedly originating in Holland as a commercial
growing technique to bring decorative flowers to market
quickly and easily. Some enterprising cultivator thought
to apply the process to marijuana and before long,
indoor gardens flourished.”- T O D D M C C O R M I C K
It was hailed as a new revolutionary indoor growing
technique. Grow lots of weed in very little time using
clones instead of seeds and the fact that every clone is
female, makes things even easier. The idea is fairly
simple: grow more, smaller plants, in less time, for
higher yields. The more space you have, the easier it is
to adapt to the sea of green. Horizontal space, that is.
The sea of green method works well for people who have
height restrictions. You could technically grow tiny
buds five to seven inches tall. What results is a plant
that is no more than 18-20 inches in height and packed
together tightly in a small area resembling something
like “buds on a stick” or “budsicles”. With little to no
side branching, the plants grow straight up and form one
cola. You also should begin with a plant that is
suitable for SoG. That means a plant that is usually
indica or indica dominant. Utilizing this technique and
rotating the crops, you can create a perpetual harvest,
producing dank, tight, THC laden buds every month of the
year. All that is needed is one single mother plant. I
will attempt to explain the steps of a basic SoG setup.
What follows is a case study on my SoG setup. With a
little bit of planning, almost anyone can do a SoG.
The Mother Plant System
First, you need an established mother
plant. You will have to start from seed, or a donor
clone. From seed, it can take from four to six months to
establish a stable strain and mother plant. If you are
given a donor clone, then someone has already done the
hard part, sexing, and picking out a good phenotype. The
plant has to be established enough to take the max
number of cuttings you will need to fill some of your
space. This can be anywhere from four to six weeks,
depending on the size of the plant and its vigor. SoG
plants are always much shorter than plants grown from
seedlings and they are flowered as quickly as possible
in the SoG environment. You can not do this with
seedlings because young cannabis plants are not sexually
mature enough to be flowered like this. In fact, sexual
orientation is generally not genetically determined
until the third or fourth week pf vegetative growth.
This same rule applies to feminized seeds that can
become males under certain conditions. For example, you
will want to take as many cuttings to fill just half or
even a quarter of your total flowering space. Label, and
date those cuttings. About 14-21 days later, take some
more cuttings, label and date. About 14-21 more days,
take a few more cuttings, and so on, until you have
enough cuttings to completely fill your flowering area.
A good strategy for keeping the mother plants short and
producing lots of cuttings is to use the “fim” or
“fimming” technique. This is a technique of topping that
allows you to take your cuttings and shape the mother
plant so that off one cutting, you get multiple other
shoots/branches that grow out from the single cut.
The Cuttings
Decide how many cuttings you want to flower at a
time. For example, let’s say the total number of plants
your flowering area supports is 12. You can take 3-4
cuttings. Wait 2-3 weeks, and then take 3-4 more
cuttings meanwhile planting 3-4 of the original
cuttings. Wait 3-4 more weeks; take 3-4 more new
cuttings. This is how the rotation begins, also known as
“staggering” your harvests.
The “In-Betweens”
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The “in-betweens” are cuttings
that are recently placed into the medium in the 5
inch pots, under florescent lighting 18 hours a
day. The in betweens should stay in this area for
about a week. Depending upon the strain, they can
be in this area from one to two weeks. The idea is
to let them gain enough root strength to really
take off in growth. If the plant was taken as a
cutting at 2-3 inches, it can grow easily up to
8-12 inches before being placed into the flowering
area. The dreaded “stretch” is what you want to
avoid in certain strains though, and only careful
personal observation and verifying the strains
traits and qualities, limiting the in between
times for the plants that do have a tendency to
stretch to about a week solves this problem.
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The Flowering Area
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This is of course where the
lights are always on 12/12. You can set the lights
on 11/13, like I do, to save a little on the
juice. This is the heart of the SoG, the main
canopy of plants, in some sort of layout that is
akin to a “bowl” or “bowl shaped”, where the
smaller plants are in the middle and the larger
plants on the outer edges of the light spread.
Ideally, your plants should be on a table like
setting on wheels, where you can have physical
access to every part of the canopy for easy
maintenance. The pots are a key part to SoG
success, they are placed close together and are
taller then they are wide, and are crammed
together in a small space. |
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The Setup: A Case Study

Let’s talk a little bit about the setup. I have a
hydro setup, ebb and flow. I’m specifically using the
baby bloomer trays designed and made by General
Hydroponics. The dimensions are 31" x 12" x 12 it can
fit ten, five inch pots. I have 14 of these trays
logically configured in an 8 x 5 area. 3 x 1000w HID
lights cover the area with about 420 thousand lumens two
high pressure sodium’s and one Metal Halide (145k lumens
for the hps and about 130k lumens for the mh). I have a
630cfm eight inch inline fan for the intake on a digital
timer. I have a 430cfm Daton blower on the outtake, on a
digital timer synchronized with the intake timer. The
outtake duct goes into the attic. I plan to add a carbon
scrubber on the end of the outtake line as soon as funds
and time permits. There is a hanging deionizer. There
are two other fans I use, one is a large oscillating
2500cfm fan, and the other one is a smaller, desk size
oscillating fan. This really keeps the air moving in the
flowering room. Because the plants are in the pots for
the shortest amount if time, the smallest pot can be
used. Most growers I know that do SoG use the 5 inch and
6 inch pots. I use the 5 inch pots and I only use 8 pots
per tray, to allow room and space between the plants.
What’s nice about the ebb and flow tray is you can move
the plants around freely. The other nice thing about the
ebb & flow system is that if one plant becomes
diseased or infected it can come out right away, and the
roots aren’t connected. Systems that have fixed plants
(aero and nft systems for example) don’t do as well in a
perpetual SoG. It has a 6 gallon reservoir, but I only
fill it to 5. It is of course much easier if there is
only one reservoir, only one tub to change, monitor pH,
nutrients, etc.
***Taking cuttings is the most important part
of any SoG system. A SoG relies entirely on
cuttings*** Make sure you are proficient at
taking and rooting cuttings before relying on clones as
a primary source of incoming plants, make sure you have
at least 90% rooting success rate. Read up on the
following:
The Perpetual Harvest
By now, it should be obvious that you need a separate
vegetation area for cuttings and “in-betweens”;
concurrently with the flowering area. This is actually a
very important cog of the perpetual SoG machine. While
constructing the area for a sog it is generally good
practice to allow between a quarter to a third of your
area for the clones and mothers and in betweens.
Ideally, you want the same number of plants already
rooted and planted in pots, ready to replace the plants
that are to be harvested. The next step is to decide on
a rotation schedule that works best for your strain. I
put a new round of cuttings in every 4 weeks. That way,
I’m harvesting once a month and putting new plants in
once a month also. I just so happen to have strains that
mature at 7 and 8 weeks. I simply replace the harvested
plants with rooted cuttings 4-6 inches tall. This
depends on a few things, such as strains and their
respective maturation times. So, it takes some
calculating to determine the times of harvest for each
strain, but the setup is actually ideal, if you’re going
to be growing multiple strains. The flowering area is
always at max capacity, or as close to it as possible.
Here’s a quote from a webpage I found:
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Sea of Green: The Perpetual Harvest Hans
Wright New York: Sea of Green (0-9647858-1-1),
1998
“The Sea of Green is a specialized,
mass-production technique for growing marijuana
indoors in which the time required to bring your
crop to harvest is shortened by controlling the
light period. All aspects of the plant's life are
controlled so that the shortest amount of time is
taken to produce the largest amount of product in
the least amount of space and a minimal amount of
work.
We have developed this process into the
'cottage industry' of marijuana-growing
techniques. That is because we have fashioned the
process to be easily accomplished by the average
person, using common, standard items and equipment
. . .
Another dynamic aspect of the process is
the 18' to 22' single-stalk bud. The growing of
all nonessential parts of the marijuana plant is
eliminated. The main stem and the lower part of
the lateral branches are all unnecessary. The only
part you really need to grow is the tip of the
growing terminal: the 'cola bud,' the very best
part of the plant. This takes only a percentage of
the time and effort it would take to grow a
marijuana plant using the standard method.
Using this way of doings things, you
can harvest over two ounces of primo pot every two
weeks! This can be done in any indoor space of any
size, and you can decide whether you want to
harvest at one-, two-, or three-week
intervals."
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“Just think of SOG like ANSI, its
about common standards and practices” - Ozgrowa
The cuttings may have to sit under 18 hrs of light
for a few days to reach their optimum heights. This is
done in (preferably) another, separate area, under
fluorescents or another HID light under an 18 hour
regimen. You can adjust the rotation timings a lot of
different ways, but this is what I have found to work
best for me and the strains I have. For example, if you
wished to harvest a plant every week, you could do so.
All you would have to do is make sure a plant was ready
to go in its place when you harvested. Or, you could set
it up so you harvest every two weeks, or every three
weeks and so on up to 8 weeks (or up to whatever the
strain maturation rate is). So, the basic flow chart of
a SoG might look like this:
Take cuttings
I use Olivia’s gel |
Soak the cubes for a few minutes |
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Use a large nail to make the pre made hole a little deeper |
Choose a 3-4 inch branch/shoot |
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Use a razor blade and make the cut |
Dip/stir the cutting in the gel, really coat the stem with the gel |
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Document the strain and its orientation in the cutting tray so it’s easy for
you to track your cuttings |
Place cutting trays on heat mats and make sure ambient temps are around 72F. |
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Plant rooted cuttings
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The “in-betweens” are planted,
at optimal heights of eight to ten inches tall.
You will have to observe your strain, and
determine the exact time and height to put them
into the flowering room. It’s also a good idea to
wait until your cuttings are rooted, bursting with
roots, not just a tap root or two. They tend to do
better all the way around. I’ve planted cuttings
no taller then 2 inches and they ended up as tall
as 22 inches (some sativa influenced strain), and
also have planted indica strains at only 2 inches
ending in heights of around 17 or 18 inches tall.
The key is the root establishment at this stage.
If you put a cutting that doesn’t have very many
roots busting out, in a pot and place it directly
into the flowering room, it may not get very big
because it never got a chance to establish itself.
So, if you want to minimize the veg time and
maximize the plants establishment rate you want to
have the root system just going bananas. |
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Flowering the plants
Place the vegetated clone in the flowering area. Pack
as many as you can together in a small area. I like to
leave a little space between them to allow room for
growth and good air flow. My general rule of thumb is to
space them apart just so they are just touching each
others leaves. If they are touching too many leaves,
they are getting too crowded or are packed too close
together.
Harvest your plants
Harvest the plants and replace the harvested plants
with rooted, “in between” plants. Ideally each
replacement is at its optimal height when placed in the
flowering room. Anywhere between 8 to 12 inches is
optimal height. This is strain dependant. When I harvest
my plants, they are typically anywhere between 8 to 20
inches in length when harvested. They typically have a
weight of anywhere between 10 to 24 grams each.
Sometimes I have seen some that have been more than an
ounce each. A decent drying space is needed to dry and
cure the wonderful weed. I have a drying rack I made out
of a bakers rack I bought off of eBay. I made the screen
shelves out of screen rolls and some stakes from the
local nursery. I fashioned frames out of the stakes and
stapled the screen to the frames. I can comfortably fit
one bloomer tray worth of buds on the screen tray to
dry. There is a clip on fan and an oscillating fan on a
low setting directed on the rack to help facilitate
airflow. It takes about a week (7 full days) sometimes a
few more days more is needed to fully cure the really
thick dank buds. I then place them in Tupperware tubs to
be stored. If they aren’t fully dry at this point, I
continue the process by simply opening the Tupperware
tub at least once a day for a few minutes to expose the
buds to the air. This is sometimes referred to as the
“burping” or “breathing” method.
Replace the cuttings
Take more cuttings to replace the cuttings
transplanted to the “in between” area. Take as many
cuttings as the next harvest requires. In other words,
work backwards, from the very next harvest. For example,
if I place an “in between” in today, in eight weeks I
will be harvesting, so, I will need to have a clone
already in between’d by then. I figure it should only
take about three weeks or so to go from cutting to
plant. So I figure three weeks or so backwards from the
harvest date and that’s when I should be taking more
cuttings to fill the harvest void. Add a few days, to
compensate for the “in between” times.
In conclusion
As you can see, the sog technique isn’t quite for
everyone. It challenges every aspect of the growing
experience to the fullest extent. All your growing
skills are tested all the time. From managing the moms
to harvesting your plants, there is almost something to
do all the time. It is more labor intensive because you
are in more of a constant state of doing something. From
making cuttings, cleaning the pots and the rocks,
removing the dead leaves off some mother plants, and
installing stakes for some plants that are falling over
because they are too top heavy. You get the idea. There
are many other reasons for utilizing the SoG technique.
If one is into breeding, SoG is a good way to breed your
strains and complete generations quickly.
Here’s a view of what the baby bloomer tray looks like:
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Top view |
Front view |
The pump and drain |
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