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Issue #401 - Sunday, December 22, 2019
Dear Fellow Grower,
In today's issue...
- A lot of growers struggle with temperature in their grow space. If that's you, you're not alone. It's easy to ignore the problem if plants are growing okay, but mastering the temperature in your grow room makes for better bud quality and less chance of deficiencies or mold. The benefits are tremendous!
- Bonus: get 5 secrets to controlling heat in the grow room, learn about 3 supplements that help protect plants against heat stress, and discover extra tips and tricks for helping your plants deal with cold temperatures.
- Want to start growing, but only have a small budget for your first grow? Our guide on how to start growing world-class weed for $130 will show you the way.
- This weeks trophy pics include a sneaky male trying to fly under the radar with some female plants, and an impressive first attempt at ScrOG!
Nebula Haze & Sirius Fourside (founders of GrowWeedEasy.com)
"Heat not a furnace for your foe so hot that it do singe yourself."
~William Shakespeare
The Cannabis Temperature Guide!
🔥🌡️❄️
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Cannabis plants like a temperature similar to humans, or a little warmer – not too dry, not too humid.
For a lot of indoor growers, that is all you need to worry about. If it feels too hot or too cold for you in your grow area, it’s probably too hot or too cold for your cannabis plants as well.
Cannabis plants like about the same temperature as humans!
Generally, cannabis plants prefer temperatures in the 65-85 °F (20-30 °C) range. They prefer it on the warmer side of that range during the day when lights are on, and on the cooler side when grow lights are off (their "night").
Optimal Temps For Growing Cannabis
Flowering Stage: In the flowering stage (when cannabis plants start making buds), it’s best to keep temps slightly cooler, around 65-80°F (18-26°C). This isn’t for the plants themselves as much as to ensure the best bud quality. Slightly cooler temperatures in the second half of the flowering stage produces the best bud color, trichome production, density, and smell. It also helps prevent mold.
Proper temperature brings out colors and can increase bud quality
7 Essential Concepts About Temperature Control
- Venting is your friend – Hot air should vent out of the grow space if heat is a problem. Vent air to the outdoors if you want to prevent the hot air from being recirculated around the grow room.
- Heat rises – Venting should happen at the top of the grow area if possible. Allow air to enter from the bottom if you can because air is usually cooler close to the floor.
- Fans only push air around – It’s a common misconception that fans bring down the temperature, but fans don’t cool the air. They provide a breeze and help level out the temperature within an area. If it’s hot in your grow tent but cool in your room, then a fan will help equalize
the temperatures. But if your entire room is too hot overall, then fans won’t bring the temperature down.
- ACs and Evaporative Coolers bring the temperature down – Besides exhausting your heat outdoors, the only way to reduce the temperature overall is to use an Air Conditioner or or Evaporative Cooler. Note: An AC will work in any climate, but evaporative coolers need dry air and only work when the humidity is under 30%.
- Strain makes a difference – Heat and cold bother certain plants more than others. The strain has a significant effect on a plant’s heat or cold resistance. Get a list of heat-resistant strains.
- Choose the right light schedule – Too hot during the day or too cold at night? Switch your timer’s on/off cycle, so your grow light is on at night and off in the day. Switching the grow light times will help equalize day and night
temperatures. It may even reduce your electricity bill as some people get charged less for electricity used at night. Keeping grow lights off during the day will help with heat, while your grow lights being on at night will keep plants warm when it’s the coldest.
- Get Extra Help – Here are 3 supplements that help cannabis with heat stress, and here are some tips for growers dealing with the cold.
Why Temperature Matters to YOU As a Grower
Can cannabis stand freezing temps? What happens if your grow room gets too hot?
Different afflictions can happen from high or low temps, so let me break that down for you...
Bonus Temperature Resources
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Here are a few more articles that may be of interest to you!
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Yet it still produced great yields and high-quality buds. I love this strain!
Frisian Dew thrives indoors and out in a variety of environments, including when it gets cold. It's the plant with
purple buds in the middle of the following picture.
Start Growing World-Class Weed for $130
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- 1+ ounces per harvest (2-4 ounces is average)
- Potent high-grade buds of your chosen strain
- Seed to harvest in under 90 days
- As little as $130 to get started (supplies list with links below)
- Electricity: $10/month (for USA average electricity cost of $0.12/kWh)
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Grow beautiful, potent weed. Here's a example of buds produced (strain is Auto Amnesia by
MSNL)
Total Cost of 1st Grow: $130 plus $10/month electricity (as little as $20/grow for supplies after that)
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"Thanks for the tips!
You are the best!!!! My country now all of us love to read your article!!!!"
~Chinesepizza
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"Male plant picture with crossed stipules (rare)"
~Allgrowedup
What does that mean?
Back in the day, many growers would try to determine the sex of a cannabis plant by looking at the arrangement of its stipules. Female plants were thought to have crossed stipules while the stipules of male plants are uncrossed.
Although this is true most of the time, the picture below shows why it's not a trick to rely on. This plant is a male with crossed stipules which means if the grower didn't check again, he would have a harvest full of seeds!
~Sirius
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What a sneaky little so-and-so!
Note: A stipule is a green, hair-like growth that shows up on cannabis plants right near where pre-flowers will show themselves. Stipules are often mistaken for female pre-flowers, but they can be differentiated by their green color (female pre-flowers are white).
"This is my Jock Horror Auto that I decided to top and put under my scrog net. I am not typically an auto grower but I received the
seeds as a freebie from Nirvana. I studied your tutorials on scrog and absolutely fell in love with this method of growing.
BTW, I really appreciate your site and all the knowledge you make available. I have always read that autos don't yield well and that topping is not advisable but this seems to be doing very well and that is why I wanted to share it with you and see your thoughts. I am about 3 weeks from harvest and the colas are really starting to bulk up. Anyways, thank you again for all you do!"
~Texasbob
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Who Runs This
Newsletter? |
Nebula Haze:
I'll be honest with you, when I first started growing, I struggled. Now, it is my mission to make it easier for
new growers to get started as well as help advanced growers get bigger, better yields with less time and money. We are updating and adding articles every single week and our goal is to eventually build a comprehensive growing resource so anyone and everyone can grow if they want to! If we all share the knowledge there's more buds in the world for everyone :) |
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Learn which seed sources are personally recommended by Nebula Haze |
Sirius Fourside:
Sirius Fourside is a hobbyist grower who has gained the bulk of his experience growing in water as a medium (deep water culture, bubbleponics).
"Growing cannabis can be a relaxing hobby in and of itself, but it also saves you money and keeps you from having to deal with shady characters. Cannabis is much easier to grow than people give it credit for, and growing in water doesn't increase the difficulty much, if any. But whether you want to grow in water, coco, or a different medium, we'll show you how easy it can be!"
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List of trusted seed sources:
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Disclaimer: Grow Weed Easy only recommends products that we've either personally checked out ourselves, or that come from people we know and trust. For doing so, we may receive a commission. Nothing in this e-mail should be considered personalized Financial, Legal, or Medical Advice. The contributors to this magazine grow legally under their
local laws but are not lawyers or medical professionals. Any decision to grow marijuana should only be made after consulting with an experienced lawyer or other legal adviser. Any medical decisions should only be made after speaking with a doctor or other medical professional. Be safe!
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