How To Start Vegetable Plants Indoors From Seeds - The 5 Secrets To Success! (2024)

Want to start your own vegetable plants indoors this year from seed but worried that the process might be too complicated and expensive? Well, here is some great news – it’s easier and less expensive than you could ever imagine!

It’s incredibly rewarding to start your own vegetable plants from seeds. Not only do you have more control over the health of your plants, it’s also a great way to try new varieties and save money all at the same time.

While you can purchase plants at your local nursery or garden center, it’s no secret that the price of plants – as well as everything else – just keeps increasing year after year. In addition, when purchasing vegetable transplants at stores, you are limited to only the varieties they choose to carry.

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But when buying seeds and growing your own plants, the sky is the limit when it comes to choosing what you want to grow – which lets you fill your garden with all kinds of different varieties, textures, and flavors. And, you can usually buy an entire pack of seed packets for less than the price of a single store-bought plant!

The best part of all is that growing your own vegetable plants from seeds doesn’t require a lot of work, equipment or time. With just a few supplies and a few minutes here and there, you’ll have your plants ready to go when the perfect planting day arrives in the spring.

What You Need To Start Vegetable Plants Indoors With Seeds

Before we get into planting your seeds indoors, let’s first cover what you will to easily and successfully grow your own plants.

Beyond having your choice of seeds, you will need to have seed trays and planting cells. It’s best to select larger individual growing cells that are at least 2 inches wide and deep. If you can find a bit larger, even better. This will allow you to grow from seed and never have to transplant until planting day.

Avoid tiny seed starting trays that let you grow 48 or 72 plants at once. They are simply not big enough and will quickly need repotting. The good news is that many of the larger seed trays can be used for multiple years with ease. Affiliate Link: RooTrimmer 3.5 inch Square Nursery Pots 60pcs

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If your trays do not come with clear lids, you can use plastic wrap to help keep moisture in when you first plant your seeds. Of course, you will need soil as well – and this is where not to skimp! Seed starting soil needs to be ultra light and full of nutrients. Affiliate Link: Sun Gro 8-Quart Black Gold Seedling Mix

Regular potting soil and garden soil are not the best choice as they are still too heavy. Many potting soils also contain fertilizers that are too harsh for seeds. There are excellent seed starting mixes available, or you can make your own at home with a few simple ingredients. See: How To Make Incredible Seed Starting Soil – With 5 Simple Ingredients!

Using Lights Inside – How To Start Vegetable Plants Indoors From Seeds

Last but not least, you will need some sort of artificial lighting to grow seedlings indoors. But that doesn’t need to be costly. Basic fluorescent or LED shop lights work wonders for getting seeds to germinate and grow, so there is no need to purchase expensive lights labeled as “grow lights.”

One other note on lighting. Although you will see a lot of photos of folks growing in window sills, they are not good for growing vegetable seedlings. Winter sunlight is too far away, and your seedlings will turn out tall, thin, leggy and weak.

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How To Start Vegetable Plants From Seeds

Now let’s cover starting your seeds! Aim for starting seeds 8 to 10 weeks prior to your last spring frost date. This will give enough time to produce strong, solid growth before the plants will need to be outside permanently.

Fill your seed trays a few days in advance of planting to allow the soil to settle in. When you fill them, moisten them with a bit of water. Since the soil is light and airy, this will help it to settle down into the cells and have moisture as well. Top cells off with additional soil prior to planting if needed.

Planting Seeds – How To Start Vegetable Plants From Seeds

Now it’s time to plant your seeds. It’s always a good idea to plant 2 seeds in about half of your growing cells. This helps have extra seedlings on hand to transplant into cells whose seeds might not have germinated.

Always be sure to label your seedlings. It’s very easy to lose track of which seeds you planted in which cells if you don’t mark them. A simple plastic label works great, or you can use a permanent marker to write on the outside of the plastic cells.

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Once seeds are planted, lightly mist the soil and cover your tray. If your trays did not come with a plastic lid, you can use a piece of plastic wrap lightly placed over the tray.This will help to keep moisture in to speed sprouting.

Set trays in a warm location. At this point, you will not need to have your seed trays under any light in order for them to germinate.

You should start to see condensation develop on the lid or plastic. This indicates that the cells have enough moisture for germination. Once a few of the seeds have germinated, it’s time to remove the cover and move the trays underneath your light source!

Maintaining Seedlings – How To Start Vegetable Plants Indoors From Seeds

Proper Light Setup

Once seeds germinate, keep your shop lights about 1 to 2 inches above the seedlings and turn them on. While that might seem too close, it will allow the plants to grow strong and fill out without becoming thin and spindly. Move the lights up as the plants grow to maintain the 1 to 2 inch gap.

Keep your lights turned on for 12 to 14 hours a day. Do not leave them on around the clock as it can force too much growth. It will also dry plants out too quickly. A light timer can be great to help ensure that the lights turn on and off at the right time.

Watering & Fertilizing Seedlings– How To Start Vegetable Plants Indoors From Seeds

Keep the soil moist but not soggy. It’s best to not let the soil dry out for long periods of time between watering. Using a spray bottle to mist the tiny sprouts and soil works wonder early on. As plants grow, you can then use a small bottle to water plants more easily.

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After a week or two, you can thin seedlings down to one per cell. This is the time to transplant any extras into cells that did not have a seedling come up.

Fertilizing young seedlings is also important to help get them off to a fast start. Once the plants reach about 3 to 4 weeks in age, it’s time to power them up with a little dose of energy. But what you give them matters!

At this point, compost tea or worm casting tea are excellent. They will not burn young plants and have the nutrients they need in just the right form. If you are using a commercial liquid fertilizer, use it at 1/4 strength to keep from overpowering young seedlings.

Fertilize your seedlings every 2 weeks with this method until they are ready for planting outdoors. But before that can happen – you will need to harden your young plants off first.

Hardening Off Transplants – When To Start Vegetable Plant SeedsIndoors

Seedlings need a bit of time to adjust to the elements of the outdoors (e.g., sunlight, temperature swings, wind, rain, etc). This process of adjusting is known as hardening off.It gets them ready to be able to handle the rigors of full time life outdoors.

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About two to three weeks before you will be planting, start to take your plants outside if temperatures allow. Progress slowly, keeping them protected at first and avoiding windy spots. Bring them back indoors the first few nights.

Gradually, allow the plants to be out longer to get more direct sunlight and exposure to wind. Eventually, you can leave your plants outside around the clock as planting day approaches. Just be sure to bring them inside if there is a late-season frost, hard storms – or if cold temperatures are expected.

Now, the strong and healthy plants that you started, nurtured, and grew from tiny seeds indoors are ready to go in the ground!

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Insights, advice, suggestions, feedback and comments from experts

Starting vegetable plants indoors from seeds is an easy and cost-effective way to have more control over the health of your plants, try new varieties, and save money. By growing your own plants from seeds, you have the freedom to choose from a wide range of varieties, textures, and flavors for your garden. Additionally, purchasing an entire pack of seed packets is usually less expensive than buying a single store-bought plant. The process of starting vegetable plants indoors with seeds requires a few supplies and minimal effort. Let's explore the concepts mentioned in the article in more detail.

Benefits of Starting Vegetable Plants Indoors from Seeds

Starting vegetable plants from seeds indoors offers several advantages. Firstly, it allows you to have more control over the health and quality of your plants. By starting from seeds, you can ensure that your plants are free from diseases and pests. Secondly, it provides an opportunity to try new varieties that may not be available as transplants at local nurseries or garden centers. Thirdly, growing your own plants from seeds can save you money compared to buying store-bought transplants, especially if you purchase an entire pack of seed packets. Lastly, starting seeds indoors allows you to extend the growing season and have plants ready to go when the ideal planting day arrives in the spring.

Supplies Needed to Start Vegetable Plants Indoors with Seeds

To successfully start vegetable plants indoors from seeds, you will need a few essential supplies:

  1. Seed trays and planting cells: It is recommended to choose larger individual growing cells that are at least 2 inches wide and deep. This allows the plants to grow from seed without the need for transplanting until planting day. Avoid using tiny seed starting trays that may require repotting soon after germination.

  2. Clear lids or plastic wrap: If your seed trays do not come with clear lids, you can use plastic wrap to help retain moisture during the germination process.

  3. Seed starting soil: Seed starting soil should be lightweight and nutrient-rich. Regular potting soil and garden soil are not ideal as they can be too heavy and may contain fertilizers that are too harsh for seeds. You can either purchase seed starting mixes or make your own at home using a few simple ingredients.

  4. Artificial lighting: To provide adequate light for seedlings, you will need basic fluorescent or LED shop lights. Expensive lights labeled as "grow lights" are not necessary. Place the lights about 1 to 2 inches above the seedlings and keep them turned on for 12 to 14 hours a day. Use a light timer to ensure the lights are on and off at the right time.

Steps to Start Vegetable Plants Indoors from Seeds

Here is a step-by-step guide to starting vegetable plants indoors from seeds:

  1. Timing: Aim to start your seeds 8 to 10 weeks before the last spring frost date in your area. This will give the plants enough time to grow strong before they are permanently placed outside.

  2. Prepare seed trays: Fill your seed trays a few days in advance of planting to allow the soil to settle. Moisten the soil with a bit of water to help it settle into the cells.

  3. Planting seeds: Plant 2 seeds in about half of your growing cells to ensure you have extra seedlings in case some seeds do not germinate. Label your seedlings to avoid confusion. Lightly mist the soil after planting and cover the tray with a clear lid or plastic wrap to retain moisture.

  4. Germination: Place the seed trays in a warm location. Condensation on the lid or plastic wrap indicates that the cells have enough moisture for germination. Once the seeds start to germinate, remove the cover and move the trays under the artificial lighting.

  5. Maintaining seedlings: Keep the shop lights about 1 to 2 inches above the seedlings and turn them on for 12 to 14 hours a day. Water the seedlings regularly, keeping the soil moist but not soggy. After a week or two, thin the seedlings down to one per cell and transplant any extras into cells that did not have a seedling come up. Fertilize the seedlings every 2 weeks with compost tea or worm casting tea, or use a commercial liquid fertilizer at 1/4 strength.

  6. Hardening off: About two to three weeks before planting, gradually expose the seedlings to outdoor conditions to help them adjust. Start by taking them outside for short periods, gradually increasing the duration and exposure to direct sunlight and wind. Protect the seedlings from late-season frost or extreme weather conditions by bringing them indoors when necessary.

  7. Planting outdoors: Once the seedlings have been hardened off and the weather is suitable, transplant them into your garden or containers outdoors.

Starting vegetable plants indoors from seeds is a rewarding and cost-effective way to have a diverse and healthy garden. With a few supplies and proper care, you can enjoy the benefits of growing your own plants from seeds.

How To Start Vegetable Plants Indoors From Seeds - The 5 Secrets To Success! (2024)

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