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[RESOLVED!] Do Seedlings Need Light?

The reason is that commercially produced seed is bred and selected for its ease of germination as well as other more obvious characteristics and so peculiarities such as light or dark requirements do not often occur 😎 On the other hand seed which is obtained non-commercially, in small quantities from the home gardener, seed lists, or the more unusual items from seed merchants may prove to be much more fussy in its requirements 🙌 Research has revealed that there are many varieties in seeds, even if they come from cultivated sources 😉 This type of seeds can be divided into three groups: those that germinate in darkness, those that germinate in constant light, those that germinate in dark and those who germinate in short periods of light. [1]
You will likely find similarities in seeds’ requirements. They need the right number of seeds in each cube to germinate. Tower Garden states that this is usually one to two seeds for vegetables; six for herbs; six for greens; six for lettuce; twelve for other plants. A seed’s burrowing depth should be three times its thickness. They also need moist, cool, finely-textured soil and an indoor temperature of 60 to 70 degrees Fahrenheit. Avoid overwatering by watering the seedlings from the bottom, not the top. Water can pool at the top. [2]
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When the sun isn’t too strong, you might be able to transplant your seedlings in your garden soil, if possible. The tender seedlings should be removed carefully from their pots, making sure to not disturb the root ball. Each seedling should be planted in its own little hole, approximately twice the diameter of the root ball. Water immediately with a seaweed extract solution to “seat” the transplant and prevent transplant shock. Keep your seedlings evenly moist for one to two weeks after planting. Oswaldo Ramirez kindly pointed this out. [3]
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More information at hortmag.com It also illustrates why the wrong amount of sunlight is so important when you start seeds. Your seedlings will be successful if you provide enough light. Need lots of bright light to grow healthy and strong—but they also need a period of darkness in order to thrive. Seedlings need to receive between 14-16 hours of daylight per day if they are placed in a south-facing window. Artificial lighting is often used by growers for seedlings as it can be hard to get this light. The fluorescent lighting should be on 12-16 hours per day. People make the common mistake of leaving seedlings exposed to fluorescent light 24 hours per day. These can not only make your seedlings less productive, but also cause them to grow slower. Remember that specific lighting requirements may very depending on the type of seed being sown, so it is important to research your plants’ specific growing needs. [4]
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Article references

  1. https://www.thompson-morgan.com/effect-of-light
  2. https://homeguides.sfgate.com/seedlings-need-light-before-sprout-77157.html
  3. https://www.planetnatural.com/organic-gardening-guru/starting-seeds/
  4. https://www.hortmag.com/headline/light-for-seedlings-is-there-such-thing-as-too-much
Mehreen Alberts

Written by Mehreen Alberts

I'm a creative writer who has found the love of writing once more. I've been writing since I was five years old and it's what I want to do for the rest of my life. From topics that are close to my heart to everything else imaginable!

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