Robert Bergman

Robert Bergman is an Amsterdam-based marijuana grow expert who has years of experience from small grows to massive operations. His passion for growing led him to develop his own Gold Leaf strain. Now, Robert is dedicated to sharing his knowledge with the world.

Healthy cannabis plant with lush green new growth in an indoor grow.

How to Fix Cannabis Zinc Deficiency: Yellow New Growth, Small Leaves & pH

Cannabis zinc deficiency shows up as yellowing between the veins on new top growth, paired with small, twisted leaves and tight spacing between the newest nodes. Most cases trace back to root-zone pH drifting too high, which locks out the zinc your plant already has rather than a ... Read more
Cannabis plant with dark, glossy green leaves showing early nitrogen toxicity in a grow tent.

How to Fix Cannabis Nitrogen Toxicity: Dark Green Claw Leaves & Overfeeding

Dark green, glossy leaves with tips curling downward mean your cannabis plant has too much nitrogen, not too little. This guide shows you how to read those signs, trace them back to overfeeding, and correct the problem in both veg and flowering.  You’ll also learn to tell nitrogen ... Read more
Cannabis plant with brown, burnt edges on lower fan leaves showing potassium deficiency.

How to Fix Cannabis Potassium Deficiency: Brown Edges, Burnt Tips & Bud Growth

Cannabis potassium deficiency shows up as brown, crispy edges on the lower leaves, burnt tips, weak stems, and buds that stop filling out. Potassium is a mobile nutrient, so a plant running short pulls it from older growth to feed new growth, which is why the damage starts ... Read more
Cannabis fan leaf with interveinal yellowing and red-pink edges, the tell-tale sign of a molybdenum deficiency.

How to Fix Cannabis Molybdenum Deficiency: Yellowing, Red Edges & pH

Cannabis molybdenum deficiency shows up as yellowing mid-plant leaves with a tell-tale orange, red or pink color creeping along the edges. It looks alarming, but it is one of the rarest deficiencies in cannabis, and it almost always traces back to root-zone pH rather than a missing nutrient.  ... Read more
Weed Pure Michigan strain

Pure Michigan Strain

A name like Pure Michigan stirs up images of rolling forests, serene landscapes, and majestic lakes, all while evoking a feeling of peace, tranquillity, and “getting away from it all.” This superb strain lives up to its name in many ways, from its bright forest green buds to ... Read more
Ready to harvest Ice Cream Cake marijuana plant

Ice Cream Cake

Ice Cream Cake strain’s true origins may still be questioned; however, its sheer popularity is not. This sought-after vanilla-scented treat has an impressive string of awards as a testament to this strain’s overall quality. It snatched multiple 1st place titles in various categories. As for its creation, many ... Read more
Marijuana plant called the Sophies Breath

Sophies Breath strain

The award-winning Sophie’s Breath cannabis strain is a rare sativa-dominant hybrid popular for its sweet, sophisticated flavor and invigorating effects. Voted the best medicinal shatter at the 2019 Connoisseur Cup, this uplifting cultivar has garnered some attention and is quickly becoming a fan favorite.  Speculation surrounding the creation ... Read more
Growing Weed on a Window Sill

Growing Weed Without Lights or Fancy Gear: The Easiest Way to Get Started

You don’t have to invest in expensive grow lights or high-tech gear to grow some decent weed at home (don’t get me wrong, it definitely helps). If you’ve got a sunny window, a balcony, a terrace, or even a windy rooftop, you’re already halfway there. Sure, you might ... Read more
NF1 Marijuana Strain review and info

NF1 Strain

NF1 is a potent hybrid with one of the most interesting – and impressive – genetic makeups to date. Commonwealth Alternative Care created the NF1 weed strain by crossing two of the industry’s most legendary names – Chemdawg and Northern Lights. This progeny is heavy on the THC, ... Read more
obama runtz cannabis strain info

Obama Runtz Strain

We live in such a crazy time nowadays with life imitating art at every angle (or is it art imitating life?), and Obama Runtz weed stain is a perfect example. Obama Runtz started as an online meme, with the fake strain causing such a stir that even Runtz ... Read more
cannabis seed yellowing

Cannabis Seedling Yellowing: Causes and Solutions

Yellowing in cannabis seedlings is a common concern that can indicate several potential problems in your plants’ environment. This condition, known as chlorosis, occurs when leaves lose their vibrant green hue and become pale or yellow. It’s essential to accurately diagnose the cause of yellowing because it can stem from ... Read more
Drooping Leaves on Cannabis Plants

How to Fix Wilting and Drooping Leaves on Cannabis Plants

If you’re a cannabis grower, you know that keeping your plants healthy and happy is key to a successful harvest. And if you’ve noticed your cannabis plant leaves drooping, it could be an indication of something wrong with the environment or the way you are caring for them. In ... Read more
Triangle Mints Strain

Triangle Mints

Seed Junky Genetics are masters of the craft when it comes to formulating new strains, and once again, they fail to disappoint. The deliciously potent Triangle Mints strain was born by breeding Triangle Kush with the Animal Mints strain. With a 20%-25% THC level, the Triangle Mints weed ... Read more
Gelato 33 cannabis strain

Gelato 33 strain

The Gelato 33 weed strain is a specially formulated Gelato strain phenotype with strong savory flavors and potent effects.  Bred by Cookie Fam Genetics, Gelato 33 strain is a hybrid blend of 55% indica to 45% sativa that has quickly climbed the ranks.    Gelato strain 33 is ... Read more
Horchata cannabis strain

Horchata strain

Horchata strain, named after the popular dessert-like beverage, is a uniquely flavored blend of Jet Fuel Gelato and Mochi Gelato.  The hybrid delivers a smooth smoking experience that produces uplifting, euphoric effects. Horchata creates a wonderfully balanced high that lets you enjoy blissful body vibes and an energizing ... Read more
brown spots on cannabis plant leaves

Brown Spots on Weed Leaves

Brown spots on weed leaves are a common issue in the cannabis growing community. While they may not be attractive, they can wreak havoc on your crop if left unchecked. This blog post will discuss the causes of brown spots on weed leaves and how to prevent or ... Read more

What are the best weed scales and why?

Weed scales are crucial in the pot world since they measure out marijuana quickly and efficiently. If you are thinking about buying one, you’ve probably noticed there are quite a few options available. Before you buy one without thinking twice, consider your personal situation and why you are ... Read more
Lemon Cake strain

Lemon Cake strain

Originally formulated by the European-based company Heavyweight Seeds, Lemon Cake strain (not to be confused with Lemon Cake Kush strain) is a powerful sativa-dominant hybrid that packs just as much potency as it does flavor.  Indica / Sativa Indoor yield Outdoor yield Flowering period 20% – 80% 2.3 ... Read more
Moonbow cannabis strain

Moonbow Strain

Moonbow strain is one of the more recent creations from Archive Seed Bank, limiting Moonbow weed strain info to a degree.  Indica / Sativa Indoor yield Outdoor yield Flowering period 50% – 50% 1.60 oz/ft² 10 – 15 Oz/plant 8-9 weeks However, we know it combines Zkittles with ... Read more
Bubba Fett strain

Bubba Fett strain

There’s no need to venture to galaxies far, far away to find strains that are out of this world, thanks to Colorado-based cultivator Green Dream Cannabis.  Their Bubba Fett strain is a heavily indica-dominant (70%-30%) hybrid with a potency of up to 29% THC.  It’s been racking up ... Read more
pgr weed

PGR weed

PGRs weed is marijuana boosted by plant growth regulators to create larger and tighter buds.  But, while PGRs do help produce big buds, it’s not the ideal way to get the yield you want from your cannabis plants.  PGR weed does have great visual appeal, but very few ... Read more
crossbreeding cannabis

How to crossbreed cannabis and create new hybrid weed strains

One of the best traits of cannabis is that it has thousands of different strains to choose from.  And there’s at least one that’s bound to be your favorite. This wouldn’t be possible without experts that knew how to crossbreed cannabis.  They not only created new cannabis strains ... Read more
autoflowering cannabis life cycle

Autoflower week by week with pictures: Autoflowering plant life cycle

For some growers, autoflowers are a staple. Their fast life cycle and manageable size made them ideal for small indoor setups.  The only caveat is that you get lower yields, but autos make up for it by allowing multiple harvests per growing season.  This is because growers take ... Read more
Mac and Cheese strain

Mac and Cheese strain

Unlike its name may suggest, the Mac and Cheese strain is certainly more than the bachelor chow of cannabis strains.  It’s a finely crafted, multilayered weed strain created with potency and flavor as the top priority. Derived from parent strains Mac (Miracle Alien Cookies) and Alien Cheese, the ... Read more