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best light for starting weed seeds

Lastly, thanks to the fact that far less energy gets wasted on creating heat, LED lamps are the most energy efficient option (relative to their power) of any type of grow lamp. Along with that, you don’t need to have as powerful of a vent or cooling system to account for heat, which you’d need with HID lamps, so you take up even less energy as a result.

Light is vital to photosynthesis, and thus essential to the growth of almost all plants. But, the specifics of how cannabis plants receive light are especially important.

LEDs Are More Energy Efficient Overall

Thanks to minimal heat in the growing room, you can also expect the water you give your plants to last longer than it normally would. Since you don’t have to deal with rapid evaporation, your watering schedule will not only decrease, but become more efficient.

In turn, you also have to consider what running the light will cost you once you instal it. Cheaper lamps won’t take up that much energy, but they also won’t offer especially powerful light, so you’ll end up paying more, in a sense, by missing out on optimal yields.

Before we let you go, we want to emphasise again that photoperiod plants will only thrive if they’re on the right light schedule for the vegetative and flowering stages. To assist in that effort, many LED light manufacturers will include a dial, switch, etc. that allows you to switch between modes for each stage.

There are several methods for germinati n g marijuana seeds, each with their pros and cons. We will cover the best methods below, with the first method offering the best chance of success and the last one offering the lowest chance.

For this method, place a paper towel on a plate and get it nice and wet. Drain off any excess water, though. It should be damp, but there should be no standing water or the seeds can drown.

Whether using peat pellets or rapid rooters, this method ensures a high rate of success, but it does require the purchase of a propagator and the pellets or rapid rooters.

You can save a bit of money by skipping the propagator and just rigging something up yourself (or not using any type of covering at all), which is what we’ll cover next.

At this point, the seeds will want light, and lots of it. Even if they are still beneath the soil, you can go ahead and turn on your grow light.

• White powdery mildew

• Humidity

Remember, rapid growth and vibrant green foliage are telltale signs of healthy seedlings.

HOW TO PREVENT STRETCHY SEEDLINGS

Similarly, under-potting can be just as detrimental to your plants. Plants that are root-bound take up water very quickly, encouraging you to water them more regularly than necessary, leading to overwatering.

Growers usually run into nutrient burn when they feed their seedlings too early or when they transition into the vegetative phase (either because they transplant their seedlings into hot soil or they start feeding with a fertiliser that’s too strong). The first signs of nutrient burn are dark green leaves with burnt tips. Left untreated, nutrient burn also causes leaves to curl upwards.

Cannabis seedlings are super fragile and can easily “burn” in nutrient-rich soil. In general, we don’t recommend feeding during the seedling phase. Instead, keep your seedlings chilling in their Easy Start pots until they’re ready to be transplanted and start vegging.

Cannabis seedlings can be tricky to keep alive, especially for rookie growers. With a solid understanding of seedlings and their requirements, though, the all-important seedling stage can be a lot less threatening. Keep reading for three simple steps to growing healthy seedlings.