Supplemental growing light may be necessary especially during the winter months. Use spray bottle to spritz water to the seeds spray water to your seeds by using a spray bottle but be careful not to overdo it.
Then plant 4 seeds 1 inch apart sprinkle them with potting soil and gently mist them with water from a spray bottle.
How to grow lettuce indoors. 14 to 16 hours is optimal. We use coconut coir based potting soil as it is easier to wet in the beginning wicks water better from below and doesn t oversaturate as peat based mixes do. Using indoor potting soil mix to both germinate and grow your lettuce is more efficient and just as effective.
You can check out some ladder planter ideas for inspiration here. Grow an indoor garden by planting lettuce one of the easiest crops to grow inside. Prepare containers which correspond in size to your lettuce stump.
Start indoors in fall. Light lettuce needs a considerable amount of sunlight to grow. You can make a lettuce wall which will be a bit difficult to maintain of course but the results will be rewarding.
7 to 10 days before transplanting. Mist the seeds every morning as well. Follow the how to steps in this video and you ll be eating your own tast.
Steps on how to grow lettuce indoors step 1 fill a 1010 or 1020 tray with a professional potting mix. 77 to 97 days before the first frost date. Follow these super simple steps to growing lettuce indoors from scrap.
Pick a healthy romaine lettuce for this experiment. When growing lettuce indoors the soil must remain moist continuously in order for it to germinate. To grow lettuce indoors start by filling a pot with a seed starting soil mix to ensure good drainage.
When growing indoors you ll need a location that receives a minimum of 12 hours of exposure. You can also reuse indoor potting soil that s healthy and that was previously used to grow other edible plants it will just need fertilizer boosts. Transplanting lettuce can be annoying so just sow where you ll grow.
One of the ways to grow lettuce indoors is by starting it vertically. Between 2 weeks before and 2 weeks after the last frost date. 25 to 46 days before the last frost date.
Another way is to plant lettuce with other herbs in a vertical ladder planter. Cut at least 3 inches from the root base and set the stump aside.