![]() ![]() So make sure you keep an eye out and adjust accordingly depending on how quickly (or slowly) things seem to be progressing outdoors.īefore attempting to harden off seedlings, it is critical to comprehend the process in order to ensure their acclimation and preparedness for transplanting. As temperatures become uncomfortable for you, it’s likely they will be too extreme for your seedlings as well therefore, monitor their progress and adjust accordingly. It’s important not to impose conditions that are too harsh or extreme on your seedlings as this can stunt their growth and development significantly and cause them long-term damage, like having a kid go through puberty before they’re ready. Finally, hold back on fertilizer during this initial hardening off period so as not to shock your seedlings with too much nutrients all at once. This usually also includes a bit of wind and brighter outdoor light. ![]() Next, expose them to lower temperatures than what they were used to indoors about 10 degrees F below the indoor temperature is usually sufficient for most plants. ![]() This means that you should start by giving your plants a little less water each day until they’re used to their new environment. Gradually reducing water supply is the first step in the process. The indoor-grown seedlings go outdoors into a sheltered spot for a short time each day to help them acclimate to the conditions they will soon be experiencing 24/7. Hardening off seedlings prepares the baby plants for the stress conditions of the outdoor garden. When growing plants from seeds, you want them to be plenty prepared to grow into beautiful plants that will provide you with a bounty of delicious vegetables.Hardening off the seedlings The process of hardening off seedlings But even when your seeds are big enough to plant out, make sure you harden off your seedlings before planting them. Just remember, it isn’t how tall but how many true leaves your plant has that will determine when you should be planting seedlings out. Making sure that the plant has enough of these leaves to keep it sustained when planted out in your garden is important to its proper growth. The true leave emerge and start generating energy through photosynthesis that will help feed the plant for the rest of its life. True leaves grow shortly after the cotyledons. The purpose of these leaves is to provide stored food to the seedling for a short period of time. These leaves will look different from leaves that will grow later. When you plant a seed, the first leaves to emerge are the cotyledons. The general rule of thumb is that when a seedling has three to four true leaves, it’s large enough to plant out in the garden (after it has been hardened off). The best way to judge if a plant is large enough to plant out in the garden is to look at the number of true leaves. ![]() If there is not enough light, a plant can grow very tall very quickly, but this plant may or not be ready for planting out. Also, the amount of light a seedling gets can influence how quickly a plant grows in height when you are raising plants from seeds. When it comes to how to transplant seedlings, there is no hard and fast rule to how tall a plant should be before you put it out in the garden, due to the fact that different plants grow to different sizes. If you wait too long, your seedling may become pot bound in its original container. If you put them out before they are ready, they may have a hard time surviving the elements. One common question from people who are growing plants from seeds is, “How do I know when my seedlings are big enough to put out in my garden?” This is a good question to ask when learning how to start plants from seeds because planting seedlings out in the garden at the proper time is crucial to their development later on. But in order to grow these unusual varieties, you must know something about planting seedlings. Many of the best and most unusual varieties of vegetables are simply not available in your local nursery and your only option is growing these plants from seeds. Raising plants from seeds can be a rewarding and exciting way to add new varieties to your garden. ![]()
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