How to Make Buds Bigger During Flowering?

So you want big buds? There are many ways to increase the size of your overall finished product when it comes to growing cannabis. Whether you are growing indoors or outdoors, there are certainly many methods to make sure that your buds will grow to be dense, healthy, and full of the many benefits of cannabis.

If you are a cannabis grower, you know the underlying goal is to grow the biggest and healthiest buds possible in your garden. You also know the feeling of disappointment when a strain you’re growing never fully develops the dense sticky buds you hope it would. While some strains are low-yielding, you should always be able to produce a high-quality bud if you’re taking the right steps.

Thankfully, there are a number of ways to improve the size of your buds. Pruning, training, feeding, and lighting are the most common ways to dictate how your plant will develop.

Why is Bud Size Important?

How to Make Buds Bigger During Flowering?

Buds are the part of the cannabis plant that contains the highest levels of THC, the psychoactive compound that gives you that lovely ‘high’ feeling.

Buds also contain other important cannabinoids used for medicinal purposes such as CBD, THCV, and CBG.

So we want them as big as possible.

How To Make Your Buds Bigger During Flowering With These Simple Tips?

  1. Use the best strains – The simple fact is, some strains naturally grow bigger and heavier than others. You want to use top-shelf genetics if you want massive buds. You can grow various strains from either clones or seeds.
  2. Use bloom boosters – When you give your plant a proven bloom booster, you’re giving it extra “supplements” that help it grow bigger, denser, heavier and more potent buds. The less the plant has to make these elements itself, the more energy it can direct towards flowering. These will be discussed more in the next section.
  3. Get enough light – High-intensity lighting is one of the primary reasons that hydroponics growers can produce such big yields compared to traditional gardening. Because light is just as important as food to your plants, you want to make sure you’re using the strongest, brightest lights possible.
  4. Maintain The Proper pH – The fact is that you can feed your plants all the great nutrients in the world, plus bloom boosters galore, and your plants will be unable to absorb them if they are not at the proper pH. For high value plants, the sweet spot is pH 5.5–6.3.


Light is the most important factor when trying to get denser cannabis flowers because lights help cannabis plants produce sugars through the photosynthesis process which helps them grow, just have in mind that not any light will do, weed needs an optimal light intensity to produce big fat buds.

The proper light intensity is vital if you want your marijuana plants to thrive and produce the biggest buds.

Outdoor growers don’t have to worry that much because they’re growing under the sun which is the best light possible for plants, obviously, the number of light hours the plants get outdoors will influence the quality but as long as you are growing in the outdoor season you’ll be fine.

Indoor growers have to choose between different light fixtures, nowadays you can easily find light bulbs and LEDs suited for every grow tent and grower, each one with its pros and cons so that’s why you should research a lot before buying expensive equipment.

Either way, professional indoor growers provide approximately 1000w per m2 to have the best results, obviously, not all home growers can afford this but make sure you provide at least 100w per plant to increase bud density.

Control Temperature (and humidity)

A good growing environment is crucial to the health of your plants, as well as your final potency and yields. When the temperature (and to a lesser extent the humidity) is too high or too low for your plants, your plants will not grow properly and buds won’t fatten up no matter what else you do.

Too high temps late in the flowering stage can also reduce the potency of smell of your buds by burning away cannabinoids and terpenes.

By controlling temperature and humidity, you can actually increase the smell and potency of your buds at harvest.

If there is a particular source of heat that is harming the plant (like a hot grow light), you’ll know because the leaves closest to the source of the problem will wilt and turn a brownish color. 


Correctly feeding your plant is absolutely necessary when trying to grow large buds. Nitrogen is associated with vegetative growth, while phosphorus is the nutrient that is most closely associated with flowering plants. Feeding a plant nitrogen while it is vegging creates a healthy, vibrant plant at a young age that will grow rapidly, which leads to increased yields.

Once your plant switches to flowering, decrease your nitrogen levels and increase phosphorus levels to help the buds fully develop and become dense. If growing in soil, when switching from vegetative growth to flowering, top dress the soil with bat guano or worm castings as a great way to increase phosphorous levels while you liquid feed your plant other nutrients.

Another tip for growing bigger buds involves regularly feeding compost tea to your soils. Compost teat helps develop healthy mycorrhizal relationships between the soil and mycelium. The more mycelium in the soil, the more nutrients the plant is going to take up, which will result in bigger buds.

Be patient

How to Make Buds Bigger During Flowering?

When you see buds maturing, you’ll be tempted to harvest them. If you can wait, you’ll see that buds bulk up noticeably in the last couple weeks before they finish growing. Give the plants only water—no nutrients—after you see the buds are mature. Hold off on picking them for another 10 to 14 days, when they’ll be at their peak.

Final Thoughts on Growing Bigger Buds During Flowering Stage:

When we are talking buds, size does matter. These methods are all safe and natural ways to get your plant to produce bigger buds. The low stress plant training method, which gently trains your plants to grow into a canopy shape to increase light exposure and ensure it gets enough light intensity, is a simple way to get bigger buds for your cannabis plants. If you decide to use the pruning method, you may choose to do it early in the plant’s life or later on. Using hydroponics will guarantee a 30% larger yield compared to growing in soil. If you want to have healthy buds you need to be certain you are giving your plants the correct amount of nutrients. You should still be properly caring for your plant as well, so make sure you’re following plant care recommendations. Failing to properly care for your plant while using these methods could cause smaller buds or worse, the end of your plants life. Remember–the bigger, the better! I hope this guide on how to get bigger buds during flowering indoors has been helpful, please leave a comment below if you have any questions or additional methods!

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