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DIY seed starting: Grow your garden from scratch

DIY seed starting: Grow your garden from scratch

11/22/2024
 

Many people find that spending time outdoors is one of the best ways to de-stress and reconnect themselves with nature. There is nothing like nature to relax and remove them from their busy schedules. People exposed to nature also become more conscious of the need to protect the environment. This is the power of home gardening for people and the planet.

     Fast Facts     
  • What: Seed starting involves germinating seeds indoors to get a jumpstart on the growing season.
  • Best Time: 6–8 weeks before the last frost date in your area.
  • Supplies Needed: Seeds, seed trays, growing medium, and a light source (e.g., grow lights).
  • Benefits: Saves money, ensures healthy plants, and allows for a greater variety of crops.
  • Ideal Crops: Tomatoes, peppers, herbs, lettuce, and flowers.
  • Tip: Keep the soil consistently moist and provide adequate warmth for optimal germination.

Home gardening is ideal for novice and experienced gardeners alike, and offers meaningful transformation at low cost. For novices, it offers a straightforward introduction to plants and how to grow them in a small space. More advanced green-thumbed folks can give it a try to grow some new plants, or try their hand at growing different flowers or food.

MEET THE EXPERT

  • Niki Jabbour is an award-winning garden writer and host of CBC Radio’s The Weekend Gardener. Based in Halifax, Nova Scotia, she’s the author of several best-selling books, including The Year-Round Vegetable Gardener and Growing Under Cover. Niki is known for her practical, science-backed seed-starting advice and teaches courses on indoor sowing, lighting setups, and timing strategies.
  • Lisa Mason Ziegler is a flower farmer, educator, and founder of The Gardener’s Workshop. With over 25 years of experience, she specializes in soil blocking and small-space seed-starting techniques. Lisa’s online course, Seed Starting Made Easy, has helped thousands of gardeners start strong seedlings at home.

Starting seeds at home is a simple and effective way to begin gardening. This means sowing seeds indoors or under a controlled environment with ideal growing conditions. When the plants are big and strong, they can be relocated in gardens, which contributes to the greening of the environment.

Growcycle offers a variety of seeds, including vegetables, flowers, and herbs, for easy seed starting at home. The company also provides essential supplies to help gardeners grow healthy and vibrant lawns from seeds.

DIY Seed Starting

What is DIY Seed Starting?

Do-it-yourself seed starting refers to creating beautiful green lawns by planting seeds. Gardeners can grow plants from seeds at home instead of buying them from a store. It involves planting seeds in small containers with the right kind of soil, giving them the right amount of light, water, and warmth. Once plants are developed from these seeds, growers can move them to the garden beds or bigger pots when they are strong enough to survive the uncertainties of natural environments. 

DIY seed starting can help gardeners to grow many different types of plants. It is a fun way to grow flowers, vegetables, herbs, and other plants from the very start. The key to success is using suitable soil and containers and taking good care of the plants while they are growing.

Benefits of DIY Seed Starting

Looking for a fun way to plant and grow your own food? It gives gardeners freedom to think creatively when they plan what to grow:

  • Save Money 

When growers choose DIY seed starting, they do not have to spend the excess cost of purchasing a grown plant. Instead, they can plant healthy vegetation by buying the desired seeds. A few seeds can grow thriving green spaces with multiple plant types, including herbs, vegetables, fruits, and flowers. 

  • Fast Germination

And when it comes to starting DIY seeds for your own indoor greenspace, growers provide all of the essential elements needed for plants to thrive — healthy soil, proper nutrients, and abundant light. These attributes have a positive effect on seed germination. Plants that are produced under these well-tuned and healthy conditions germinate faster than others.

  • Pest and Weed Free Green Space

Growers may better control their plants in limited environments. They may use natural pest removal methods in smaller areas or for plants grown in pots and containers. Besides, sterile soil is one of the best ways to keep off weeds and pests from the gardens.

  • Healthy Vegetation

Vegetation levels can be high at the time of plant maturity for seedlings grown from seed under disease-free environments with optimum growing conditions. With that said, growers can watch their plants and feed them accordingly.

The water supply and the temperature of growing plants can thus be gradually adjusted more easily. All these attributes make mature plants with lush foliage.

  • Excess Yields

Since the seeds grow in the gardens, there are higher-than-usual yields growing from seed. Growers can detect signs of unhealthy plant growth, poor nutrient uptake, and nutrient, water, or light deficiencies through continuous monitoring. Growers can then quickly eliminate the problem, resulting in healthier roots and higher yields.

  • Environmental Benefits

Growing gardens from seeds can be good for the planet. It is beneficial in preventing fertile topsoil from being washed away by heavy rain. A healthy garden is a powerful carbon sink, taking carbon out of the air and fixing it as organic carbon. This enables farmers to minimise the release of greenhouse gases. These destinations improve the local air quality by assimilating any number of harmful pollutants present in the surrounding atmosphere.

Benefits of DIY Seed Starting

Effective Way to Set up DIY Seed Starting for a Thriving Garden

Planting seed at home is an excellent way to ensure a healthy and productive garden. By providing the necessary conditions, gardeners can ensure strong, healthy plants. The Following are some important processes of how to properly organize DIY seed starting;

  • Pick the Ideal Seeds

It is important for growers to get the right seeds and pick those that will grow well in their local area to cultivate a flourishing garden. They should also be thinking about what kind of seasons they tend to like (hot and dry or cool and wet) and how much winter frost or stress they are willing to endure. Growers can read the seed package to see what it prefers.

  • Fill the Soil in Containers

The kinds of planting containers vary with the variety of plants. Growers can choose them according to the needs of their plant. It's easier to maintain the plants if the pots have draining holes. Fill the containers with well-drained and thoroughly aerated soil mix. When planting the seeds in garden soil growers must modify the garden soil to be in the optimal soil condition for seed growing even if it looks like soil outside the container.

  • Sow the Seeds

Growers can then sprinkle the seeds on this soil and cover them with a light dusting of earth. But growers have to plant other seeds at other depths. The seed pack might provide the preferred depth the grower sows the seeds. So that growers may follow this guideline, maximum numbers of seeds can be applied, because adding more seeds decreases plant growth.

  • Moisten up the Soil

The presence of moisture in the seeds and the soil is crucial for seed-soil interaction. In addition, the sawdust needs to stay wet when the seeds are germinating as well, because the seeds when they are just starting need it moist, but it is also when they need to dry. Farmers, after seeding, should rake and lightly moisten the soil.

Now the plants can be watered by a fine water sprayer. Overwatering can suspend seed growth and in some cases will drown the seeds out of the soil.

  • Keep a Proper Light Source

All the containers need to that receive sufficient sun all in order to thrive in the garden. Add an artificial light source if the sunlight is not adequate to promote plant growth. For seeds growing, indoor garden lights are also a good choice to move plants from one place to another to adapt to different growing stages of plants.

  • Adjust Soil Temperature

Seeds need warmer surroundings to germinate well. Seed drillers must be able to sow into warm soil that can germinate the seeds. The soil should be between 65 and 75 degrees Fahrenheit. (If you want to be sure of this, you can go over the soil with a thermometer and supplement some radiant heat through the floor, if the soil temperature doesn't match the following heat map.)

  • Monitor the Plants

Newly seeded soil needs to be monitored closely as it is an at risk area for environmental stresses and a couple of diseases. To be honest, gardeners need to look out on garden and do as necessary for a successful DIY seed starting practice.

Set up DIY Seed Starting

Suitable Soil, Containers, and Light Conditions for DIY Seed Starting

The right soil, containers and light are crucial to successful DIY seed starting. These factors provide an environment conducive to the germination and growth of seeds. Here is what works best:

Suitable Soil

The soil is the most important thing in all types of gardening. It should be carefully chosen by the growers to suit the needs of the plant and the home. For those of you who want to start your own seeds, a do-it-yourself approach is easy if you select the soil carefully based on:

  • A pH of 6 to 7.5 is best for growth and access to nutrients by the plants.
  • Seeds require adequate food to allow its roots and vegetation to grow appropriately. At this point, some growers will add some really carbo rich nutrients.
  • Growers can sterilize the green space that holds DIY seed starting by incorporating a soil that has been heated to 180 degrees Fahrenheit, to make certain pesky pests are locked out.
  • Soil for your DIY seed starting needs healthy air spaces to help roots develop well. Loosen the soil often to help your plants become established.
  • Growers may want to select soils that retain water well since DIY seed starting needs a constant source of water for healthy growth.
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Ideal Containers

Containers to practice DIY seed starting come in different forms, and growers can choose a specific option based on their requirements. Following are some of the suitable containers in which planting the seeds may prove successful;

  • Gardeners can also opt for hydroponic seed starter kits to have an awesome DIY gardening experience. Seeds germinate better in hydroponics under managed conditions.
  • Seed trays are other containers is which seeds are best grown. These are user-friendly pots with separate compartments where growers can plant different seeds.
  • The broken up egg trays are ideal for sprouting seeds. For gardeners, budget-friendly trays are ideal for small seeds, plants with a lightweight root ball.
  • For most large plants, containers should large enough to accommodate their particulary extensive roots.
  • Seed starting planters need to be tough to last through seasons and made of environment-friendly materials.

Lighting Conditions

Proper light promotes plant photosynthesis and encourages growth and development. Growers can choose natural or artificial methods to facilitate plant growth effectively.

  • If the sun is shining, for natural sunlight, you should put plants or containers in the sunny-est spot possible. But this might not work for some recuperating plants during the winter.
  • Experienced growers may use LED grow lights as their full spectrum resembles natural sunlight. 
  • Fluorescent light also makes for beginner-friendly growers. It’s an affordable solution for how to propagate the new seeds!
  • Young seedlings need a minimum of 16 hours of light per day to maximize photosynthesis.
  • Growers can use a good timer to control on when the plant will be illuminated.

Additional Care to Ensure Better DIY Seed Starting 

Growers should also consider different care and maintenance measures to develop seeds into a thriving garden. Here are some of the essential steps to ensure better care of the growing plants:

Additional Care to Ensure Better DIY Seed Starting

  • After sowing, growers should ensure the seeds get ideal soil, temperature, lighting, and consistent moisture. 
  • After germination, ensure frequent watering and mow the excess seedlings to prevent overcrowded and weaker plants.
  • In harsh winters or expected frost conditions, it is good to protect the young plants by adding cloches. 
  • If the heat is intense, add a layer of mulch or compost to the soil to help retain water for a long and prevent plants in the upper soil layer.
  • In unfavorable weather conditions, keep the young seedlings in controlled environments where they may continue growing. 
  • If grown in controlled conditions, growers should expose them to the natural environments for some time before transplanting them into a garden.  
  • Seeds germinate well in dark conditions. Keep such plants away from light until they germinate.
  • Growers may support the seedlings with small stakes to ensure even growth and prevent damage to the growing plants. 

What Plants to Grow First While Going for DIY Seed Starting?

For those beginning with DIY seed sowing at home, novice gardeners should pick plants that are easy and straightforward to grow. Sometimes unplanned sowing can cause issues, as some plants require special care while others are difficult to control while they are still young.

After the plants emerge, however, most need to be transferred to garden beds to thrive. But, some plants don't take well to transplanting and I like to stay away from when seeding DIY. These are carrots, daikon radish, peas, beans, corn, and beets.

Here are some plants that growers have been advised to prefer planting at first:

  • Broccoli as growers may transfer it to gardens to continue their growth. 
  • Herbs like Basil are perfect for the lazy gardener.
  • Pepper plants get big when they are transplanted into a garden.
  • Chives are also pepper-like.
  • Marigolds ensure healthy growth indoors and reflect vibrance in the gardens. 

Planting Depth and Spacing for Seeds

Here are the ideal planting depths and spacing for various seeds for successful DIY seed starting.

Plant Variety

Planting Depth

Spacing

Tomatoes

1/4–1/2 inch

18–24 inches apart

Peppers

1/4 inch

12–18 inches apart

Marigolds

1/4 inch

8–12 inches apart

Lettuce

1/8 inch

6-12 inches apart

Common Challenges and Solutions in DIY Seed Starting

Healthy plants can also be a bit of a challenge to establish from home-sprouted seeds. Here are a few common problems and how to solve them:

  • Mold and Fungus

Mold and fungus infestations are a common problem with indoor seeds. This can occur if the farmers are using garden soil that is typically very dense because a lot of people’s feet pound on it. And, over-irrigation of these soils can result in something as bad as a waterlogged situation. To prevent this, growers should aerate the soil well and apply water gently in splashes.

  • Hindered Growth

With DIY seed starting, growers sow and tend the seeds under controlled conditions. Growers can then trans- plant to their gardens when pas- tors begin to develop. The transplanting can stunt the plants and, in some cases, wilt them.

Plants need to be hardened off for fewer hours/days before being transplanted in the garden room. This allows the plants to grow with sufficient resistance and can be slightly watered before transplanting.

  • Unidentified Seeds

And once growers sow all the seeds in the containers, they may also lose track of which container is holding the seeds they need and have to remember the precise times when they planted them.

Growers should label the pots and containers with the names of seeds and mention the dates at which they plant them to notice when seeds germinate. Labeling them with waterproof material is preferable, as water may wash off the labels. 

  • Frequent Diseases

New seeds are vulnerable to diseases, which may be introduced by germs or dirty pots and containers. It is essential to sift the seeds daily or as frequently as possible to remove debris. Tools such as seed trays and containers should be cleaned and sterilised often to prevent pests and so forth.

  • Delayed Germination

Farmers need to plant seeds to the proper depth. When seeds are sown too shallowly or too deeply, they might have difficulty germinating. The seeds themselves must also be of good quality and include the nutrients they require to grow.

FAQs

What is the best soil for DIY seed starting?
The ideal soil for starting seeds is a seed starting mix: light, well-draining, and free of pests and diseases. These frequently contain ingredients such as peat, vermiculite, and perlite, which help to retain moisture while still allowing air to circulate around the roots. Do not use normal garden soil, as it may be too heavy and could harbor pests or diseases.

Can gardeners reuse containers?
Yes, but they should thoroughly clean containers before reusing them. It is a cleansing process to prevent disease and provide a fresh place for the new seedlings to thrive.

What can I use as a seed starter?
Seed starters can be used in seed trays, peat pots, egg cartons, paper cups, or soil blocks. The containers should have drainage holes to prevent water buildup and ensure healthy seed growth.

The Bottom Line

For new gardeners, starting seeds at home is a great way to learn about growing plants. Understanding the right soil, light, and temperature can create healthy, strong gardens from the start. It is important to plant seeds carefully and care for them according to what each type of seed needs.

Growcycle is a helpful resource for beginners, offering tips and expert advice on plant growth. They also provide tools and guidance for indoor gardening, including grow tents and hydroponic systems.

Disclaimer: This material is for informational purposes only and should not be relied on for legal, medical, financial, or other professional advice.

Sources:

1. National Library of Medicine - Seed Germination and Seedling Development 

2.West Virginia University - Seed Starting

About the Author

Victor Miller

Victor Miller X

Environmental Journalist Focused on Sustainable Agriculture

Victor Miller is an environmental journalist at Growcycle, where he covers the latest news, trends, and innovations in sustainable agriculture. He has a deep passion for storytelling that emphasizes ecological balance and responsible farming practices.