![]() These are the fans I get that hang from the sides of the shelves in my grow room.Rosemary is an attractive perennial shrub with fragrant leaves. This helps make sure they get enough oxygen, but also helps them grow stronger stems because they’re constantly being blown around. Always, always, always make sure you are blowing a fan around your seedlings. Lack of Air FlowĪnother common cause of legginess is not enough air flow. If you’re going to plant multiple seeds closeby, make sure you are thinning out your seeds once they start sprouting leaves. Some of the plants might be blocking the light from others, and they are immediately in a race to the top to get enough light. If you grow your seedlings too close together, they might be causing one of the 3 problems above. “Hey, can’t I get a little space around here?!” While this usually isn’t the cause of a leggy seedling, I wanted to include it in case that is what’s happening. It stalls plant growth when the soil is too dry, especially as the seeds are still developing and not yet turning into seedlings. You can also use the bottom watering technique to make sure they are receiving enough. If they aren’t getting enough, try using a mister spray bottle to supplement. The next thing to check is the amount of water your plants are getting. If you’re using humidity domes, go ahead and remove those from your seed trays to avoid overheating your seedlings. If you’re not giving your plants enough heat, they will grow really slow or take a long time to germinate. Too much heat is generally the issue here. If you leave them on too long they can start to rot and fall over. If you’re using a heat mat, make sure you are removing plants from the heat mat once they sprout. This could absolutely be the cause of your leggy seedlings. Some plants will stretch to get enough light if they aren’t getting enough, thus the legginess. If they’re not getting sufficient light, try moving your seedlings closer to the light. You can use a light meter like this one to help determine if your indoor plant needs more light. Lack of LightĪre your indoor plants getting enough light? This is one of the main causes of a leggy plant. Main Causes & How to Fix a Leggy Plantįirst, let’s check out some of the causes of leggy seedlings so we can decide how to fix them. Some plants stretch up to try and get more light, while others are just growing on overdrive because the conditions are so hot. In addition, if they aren’t getting enough light, you might need to add some artificial light. If it’s 55 degrees or lower, you’re going to want to get some heat in there pretty quickly. The first thing to check is how warm the environment they are in is. You’ll need to change up their environment a bit as soon as possible. ![]() It depends on how long they have been “leggy”. I know the first thing you’re thinking is, can I even salvage this situation?! They might need more light, more water, or more heat. A rapid growth spurt is an indicator that your plants likely have fragile stems and are lacking something they needed to grow stronger stems and roots. If you sowed your seeds a few days ago and they’re already 3 inches tall, that’s NOT a good thing. So then I ended up with these leggy onion seedlings:Īs you can see, leggy seedlings are seedlings that are stretching and falling over. I just thought they stayed on there until it was warm enough to harden them off outside. I bought all the right equipment, but didn’t realize that you needed to remove plants from the heat mat once they sprouted. What are Leggy Plants? What Do They Look Like?Įven if you try your best, you still might end up with leggy seedlings (i.e. It can be exciting to see plants grow quickly, but then get a little scary when you see your plants falling over. Growing plants indoors is one of the most fun activities once spring is nearing, but it can also come with a lot of problems.
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