When roots of tomato seedlings stick out from the sides and bottoms of the peat pellets, that is a perfect time to transplant them. I use either a potting mix or seed starting mix, once the seedlings are 4 weeks old I boost with seaweed water if they are seedlings such as tomatoes that I keep inside for 8 weeks. I’m at it again… transplanting tomatoes. Plants that are only 4 weeks before going out (such as zucchini) I don’t feed. May 25, 2014 - Explore Frances Alleli Otado's board "Tomato seedlings" on Pinterest. Select an early variety -- such as 'Siberia', 'Santiam' or other tomato known to set fruit well in cool weather. Then depending on how many seedlings you have growing, gently pull each plant apart at the roots. The first set of leaves should be spread out at the top, and a second set just below them. Prevent fall-overs by sprinkling additional seed starting mix around the base of leggy seedlings, and press it in. Mar 12, 2017 - Did you know where and how you transplant tomato seedlings makes all the difference between a mediocre plant and a staggeringly productive plant? I sowed my tomato seeds—two seeds per soil block—on March 25, put them on a heat mat and within five days almost every seed had germinated. Transplanting Your Tomato Seedlings. Growing potatoes ... Find out how to prick out seedlings, in our video with Monty Don. To further support seedlings until you can repot them, prop up leaners with toothpicks or a wood skewer. The source of light should be CFL, MH, or LED. Transplanting Your Tomato Seedlings: I usually like to start my seeds in a big pot and start … Growing dahlias . How to repot tomato seedlings. Roots grow in the dark. Tomato seedlings seems to thrive on being repotted (unlike other plants), so I repot mine several times during the growing season. It’s easier to get ideal temperature and moisture conditions for starting tomato seeds in the small cell trays. With young seedlings, the roots sometimes start to grow out of the drainage holes if the plants have been watered from below. There are several reasons why we make the extra effort to start our seedlings in very small containers and repot them at least once before they go out into the garden. When should you repot tomatoes? The healthiest seedlings were repotted into 4-inch pots once their true leaves appeared. Tomato seedlings are usually potted up about 10 days after they have sprouted—potted up from a seed starting tray into a small pot, and again in another 10 days when they are about 6 to 8 inches tall—from a small pot, 4-inch container, or quart container. It's a moisture seeking behavior, not a result of running out of room in the container. JMO, though. If you are a little unsure of how to re-pot tomatoes from one container to a larger one, here is how I transfer my tomato seedlings. Plant the seeds indoors 10 to 12 weeks or more before the average last spring frost date. When growing tomatoes from seed you are going to have to repot them. Move your seedling to a bigger container, preferably a 4-6 inch pot. Re-pot your seedlings in cell trays when they have 2 sets of leaves and the second set is at least ½” long. If sowing and germination has been uneventful; you can wait a couple of months, maybe more. The basic idea is you never want to stress the plant out by restricting the roots from getting wider. Transplanting Your Tomato Seedlings: I usually like to start my seeds in a big pot and start a lot of seeds in the pot and divide later, it makes for competition between the starts and it is easy to see the strongest ones that will later produce better. An 18-6 light schedule is considered the sweet spot by most growers. First, gently remove the tomato plants from the pot they are growing in. If seedlings need support, prop them up with a toothpick or a cocktail stick and some soft gardening wire. At potting up time, multiple plants in a container should be thinned to the strongest single plant for growing on. Caring for seedlings after germination isn’t hard, but attention to such things as damping off, nutrition, temperature, water, light and transplanting will guarantee stout seedlings that survive the rigors of outdoor living. Jan 16, 2014 - Did you know where and how you transplant tomato seedlings makes all the difference between a mediocre plant and a staggeringly productive plant? Saturday, 20 April, 2019 at 5:14 pm . However, tomatoes have a large root system and require a large enough container so the soil in the container does not dry out rapidly during the heat of the growing season. Also, you can transplant when seedlings develop second set of true leaves folding out. Your tomato seedlings will have the best chance possible to develop a healthy root system when you re-pot them at least once (sometimes two or three times) before setting them in the garden. 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