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Growing in the Great Outdoors -  A Primer

It's early Febuary and much of the country is experiencing "polar vortex" conditions so it hardly seems like the time to think about growing outside.  The truth is that the best planned growing operations are the best producers and starting to figure out a plan of attack now will be have better results in the long run.

 

While hydroponics is generally associated with indoor growing, it can also be done outside.  If someone is on a limited budget, doesn't have the proper space, or just wants to be as natural as possible they might want to consider starting up an operation outside.

 

Advantages

  • Free light!  This is probably by far the most important one as it's not only free but it has the perfect spectrum as well.
  • More options for space.  While this may not always be the case but in general backyards or other open spaces are less cramped, which allows the plants to be spaced further apart maximizing light penetration and air circulation. 
  • Low start up cost.  For someone without means or cheapskates getting a simple operation up and running won't break the bank.

 

 

Disadvantages

  • The environment isn't always willing to cooperate.  Whether it be frost, hail, wind, rain or drought, all it takes is an short amount of neglect in poor conditions for a crop to be lost or at the very least set back.
  • Pests can potentially be a bigger problem depending on location.  Growing in a secluded area should be a bit safer, but beside agricultural lands there's a risk of pathogens from the crops being passed on.
  • Finished product is generally considered inferior. 

 

 

Growing Medium

There are several different options here but container gardening in a peat or coco based medium are the best in terms of potential yield since heavy feeding is possible.  Keep in mind that once plants become large they will become top heavy and will be prone to tipping over especially in windy conditions. Weights can be put on top of the growing media to add stability or better yet the pots can be dug into the ground.  Tomato cages will also offer better stability in container gardening. 

Compost in raised beds is also a good option and can also be fertilized, but care must be take so that burning from too much fertilizer doesn't occur as there could be a lot of residual nutrients. 

 

 

Genetics

One of the most important factors in any type of horticulture is what kind of traits a crop will have.  Factors such as disease resistance, quality of finished product and yield are all important, but when growing outside how fast a plant takes to finish is also extremely important for colder climates as it has to be done before the first frost.  

 

Forced Flowering

On a related subject, don't completely rule out using an indoor strain which uses a short day photoperiod.  If there's some mechanism to block out a few hours of daylight in order to induce flowering it could very well work.  In some colder climates this will have to be done as early as the first week of July.  It can be done with a shade cloth or any type of light blocking structure.  Care must be taken to engage and remove any light blocking structures at exactly the same time every day. 

 

Botrytis

Also known as grey mould this is a bane of growing outside which isn't typically found with growing indoors.  It is most common in periods of heavy moisture especially late in the season when plants are dense and there is a lot of dew in the morning.  It can quickly decimate a crop and it's best to work to prevent it since it is very difficult to irradiate once it has been established. 

 

 

Mother Plant Nursery

While this wouldn't be a method recommended to large scale producers, a smaller indoor grower could consider moving their mother plants outside for the summer.  This would be a way to get through the off season with minimal work and lower temperatures in the house. There would also be abundant growth to clone off of in the fall.  Care would have to be taken not to introduce any pests from the outside however. 

 

While this is not meant to be a comprehensive guide, it should give a few ideas to those who don't have the opportunity to grow inside or others looking to build their growing experience. 

      Published by Loren Price

      Bio:
      Loren grew up on a mixed grain and cattle farm in north west Saskatchewan. He went on to study biotechnology and worked in the agrosciences in Saskatoon for several years before moving on to Future Harvest and the hydroponic plant food industry. Starting off in fertilizer production his focus is now on fertilizer formulations and regulatory affairs. His areas of expertise include: agronomy, analytical chemistry, plant tissue culture, plant breeding, molecular biology, and plant nutrition. Outside of work Loren collects vintage concert T-shirts and is an amateur craft brewer specializing in historical and lesser known styles of beer.

      E-Mail: loren@futureharvest.com

    • Jan 31, 2019
    • Category: Articles
    • Comments: 0
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