Growing Medical Marijuana Outdoors

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Outdoor Marijuana Growing In A Nutshell

Outdoor Marijuana Growing In A Nutshell

You can plant marijuana outside in the late spring all the way through to the middle of July. Planting earlier basically ensures a much bigger plant. Starting late can prevent the plants from getting too large before flowering begins. The plants can be placed in garden soil where they generally do very well, or they can be grown in five- to twenty-gallon containers. Plants growing in larger containers will naturally produce more bud.



Pruning outdoor cannabis plant

Pruning is sometimes a necessity to keep the marijuana plants at a manageable size. When the main stem is cut, the lower branches increase in size, and the plant grows several other strong branches. When these are pruned, the plant becomes bushier and puts less emphasis on growing taller. Plants with the main stem clipped will produce greater yield than unclipped plants. Download my free marijuana grow bible at this link and learn how to grow huge buds.


Outdoor cannabis growing in a nutshell fertilizer

Fertilize the plant with vegetable fertilizer mix or liquid, or use a hydroponic, vegetative formula to maximize plant growth and yield. Follow directions precisely or use less fertilizer than suggested. Never use more than the suggested amount as it can throw chemical balances out of order.


Outdoor cannabis growing in a nutshell flowering

The lengthening nights of the late summer trigger the plant’s flowering stage. Some varieties will cease growing vegetatively almost instantly, but others could continue growing and quadruple in size. It generally takes between 55 and 70 days for the buds to mature after the plants have started flowering. When the plant starts flowering, switch the fertilizer to a bloom formula so that the plants will acquire nutrients needed for larger buds.

Marijuana plants switch to flowering when the uninterrupted dark period exceeds the critical time period. This period varies by variety and is usually between 8 and 11 hours. If your plants respond to a shorter dark period, they are early season varieties. Plants that respond to a longer dark period are, of course, late season varieties. Outdoor plants with a short dark period are best suited to higher latitudes.

The effect of latitude

The effect of latitude outdoor cannabis growing

When growing marijuana, you must account for the effects of latitude on day length. For example, June 21 is the longest day and shortest night of the year. In San Diego, dusk to dawn lasts 8 hours and 44 minutes. In St. Louis, it last 8 hours and 3 minutes and, in Boston, it lasts 7 hours and 32 minutes. As you can see, Boston’s night length is 1 hour and 12 minutes shorter than San Diego’s.

Early season varieties growing at lower latitudes (a la San Diego) will be induced to flower early in the season and will remain small even during the maturation process. The generally shorter nights during the summer at high latitudes (a la Boston) give the plants a chance to grow before they flower. A late season variety growing in the north might trigger late in the season but won’t get a chance to develop mature buds. It will not trigger during the early summer in low latitudes but it will flower earlier as a result of the longer nights and milder climate.

Marijuana’s disparate flowering habits and the varieties that produce them have led to many strategies for growing. In northern areas, short season varieties are a necessity to ensure that plants mature before the weather turns.

By contrast, gardeners in the south grow long season varieties during the summer that ripen in the fall. Certain short season varieties will start to flower soon (a month or so after the summer solstice) and will be ready for harvest in early autumn. If short season varieties are not provided with extended exposure to daylight, they will not grow large enough to produce much of a yield. Long season varieties can be planted in the fall to mature a few months after planting.

In areas that tend to stay warm throughout the year, sativas and sativa-indica varieties can be planted in the fall. They will continue growing into the winter as they flower and will be ready in about 70 to 80 days after planting.

Triggering the flowering stage

Triggering the cannabis flowering stage

Regardless of the latitude you live in, you can trigger the flowering stage at any time during the summer by covering the plants for a portion of each day so that the “night” period is lengthened. For example, if dusk is at 8:00 p.m., the garden needs to remain enshrouded in darkness until 8:00 a.m. the next morning. With an opaque cover over the garden during the 12-hour dark period, the plants will only receive 12 hours of light every day and will thus be triggered into flowering.

Around week six of flowering, you will begin to notice that the buds are becoming more odoriferous by the day. The non-pollinated flowers are beginning to mature and, in two or three weeks, the flowers will be ripe and ready. This can be observed when the stigma dries, the ovary swells, and the capitate trichomes swell with resin and fluoresce. Buds that get the most light will ripen first in most cases. Remove them, but leave the unripe buds to continue ripening. They will be ready within 10 days.

If you want start growing marijuana outdoors download my free grow guide and order some high quality seeds at this link here. We ship seeds to the US, CA and many other countries. For any growing related question please visit the marijuana support page.



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Comment Section

9 thoughts on “Outdoor Marijuana Growing In A Nutshell

By Lucci on 17 July 2014 at 22:02

I’m in STL started around the beginning of summer. How will I know when to harvest?

By chuck on 3 August 2014 at 18:32

Love ur eBook lots of great info grow forfirst time look good so far just starting to flower thanx a lot for the info

By chuck on 3 August 2014 at 18:34

One question tho when do I switch to flowering fertilizer as soon as I see towers start to form?

By Rebecca on 19 June 2015 at 21:51

I have a plant just one it started off good pretty then all of a sudden the leaves turn yellow then start falling off it stiill has a nice byd at top but I feel like it’s dying I can’t seem to get information to make it alive again.

By latewood on 24 June 2015 at 09:11


I would have to ask; How long have you been growing this plant? If this is a mature plant; It is typical of plants to develop yellow leaves during maturity and the finish, late in flower. This is a good thing; If it is a mature plant I invite you to join our support forum to get more involved in the finer art of growing. :)

By Henri B on 25 July 2015 at 19:33

Hi, I have 6 plants that all had a late start growing this year. 3 of them I grew from seed in mid june, right now those are small, but very bushy for their size. The rest of my plants are clones and about 1.6-2.5 ft tall. 2 of them are ak-47 which I’ve heard yields early, they already have tons of white stamens in between each branch, these are thinner, skinnier but def female with their white pistols. I have one other clone that is maybe a foot and a half, it’s main stem was broken, so I got it for free. I taped it back together and used a stick to help keep it standing, but plan to remove soon so it can regain it’s strength as I feel it has successfully healed back together. Soooo since I started everything in mid June, what is the best way for me to get the most out of my plants? Do I need to add nutrients soon? How much water is overwatering, how much is not enough? I’m having a feeling I am going to need to pull some mature buds off before I harvest the entire plants. I am in southern Oregon/ NorCal area. Since here in Oregon it is now legal for us to grow 6 plants at a time, I figured, why not see what I can yield in the short time I have. I would love any and all advice on nutrients, what I should give them when they start flowering (a product like big bud?) , if there is a product I need to spray the leaves with? Any other general tips would be appreciated as well. Thank you -Henri

By latewood on 28 July 2015 at 00:24

I would think that the plants would be ready for nutrients. I suggest you join our support forum so that we can provide you with all the help you need and be able to answer all your questions in a more efficient manner.

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