What Is The Best Way To Protect Seedlings?


When it comes to gardening and farming, protecting seedlings is one of the most challenging tasks. Seedlings are vulnerable to various environmental factors, pests, and diseases, so it is crucial to implement the right strategy to protect them.

Whether you are growing seedlings for a small garden or a large farm, ensuring they are well-protected and nurtured in their early stages is vital. In this blog, we will explore how you can protect your seedlings and give them the best possible start in life.

From using protective covers to companion planting and natural pest repellents, there are plenty of strategies to ensure your seedlings thrive and grow into healthy, productive plants. Let’s dive in and explore the exciting world of seedling protection.

Father and daugther holding small seedling.

Best way to protect seedlings

The best advice to protect seedlings is to correctly identify the pest and try to understand its behavior and needs. For instance, slugs can be trapped by leaving out little beer tubs or using materials they won’t venture over. 

On the other hand, woodlice are a good example of why the good bug/bad bug approach doesn’t work well and should not be eradicated, as they play a key role in breaking down organic matter in the soil. Keeping the garden as dry as possible and removing possible hiding spots also helps to control pests and protect seedlings.

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Do seedlings need to be covered?

Do seedlings need to be covered? Yes, especially during the colder months. Seedlings planted in the garden must be protected from cool and cold nighttime temperatures that can harm their growth. It is essential to keep warm-season seedlings, such as tomatoes and peppers, from temperatures below 55°F, while cool-season seedlings, like lettuce and cabbage, need protection from temperatures below 45°F. 

To keep these seedlings safe, use cages or tunnels covered with plastic to keep them warm and help them grow. Creating a mini-greenhouse with a plastic bag, sheeting, and wire is also a helpful way to protect seedlings from the cold.

Green vegetable seedlings with name tag in back yard.

How do I protect my seedlings from critters?

Protecting seedlings from critters can be a challenging task for any gardener. A fence can be one of the most effective ways to keep animals out of the garden. A two to three feet tall fence works for most rabbits, and a six to eight feet tall is suitable for deer. 

Another option is to choose less tasty plants, such as those that are highly aromatic or have prickles, to make your garden less appealing to animals. Elevating pots or planting in raised beds can also limit rabbit damage. Don’t be too tidy, though, and let the shrubs and grasses around the edge of your yard go a little wild.

Open compost piles can also attract all kinds of creatures, so using a self-contained compost with a lid is ideal.

How do I keep bugs from eating my seedlings?

If you notice damage to your seedlings, it’s important to take action to protect them. The size of the damage can help you identify the culprit. For example, small holes in the leaves that continue to grow could indicate caterpillars or other insects, while big chunks or entire leaves disappearing overnight may suggest an animal intruder.

To protect your seedlings, consider using homemade insecticides and pesticides made from household ingredients like dish soap or vegetable oil. Just be sure to test your solution on a few leaves first, wear gloves and a face mask, and apply during the cooler parts of the day.

Importance of protecting seedlings from pests

Protecting seedlings from pests is crucial to ensure a healthy and productive garden. Seedlings are particularly vulnerable to various animals, from tiny insects to larger mammals, including slugs, rabbits, possums, rodents, and birds. Controlling these pests requires correctly identifying them and understanding their behavior. Different pests require different strategies for control. 

For instance, slugs can be trapped using beer or by removing potential hiding spots during the day. Meanwhile, possums can be deterred by erecting physical barriers or using unpleasant-smelling sprays. Early and appropriate intervention is required to safeguard delicate seedlings and prevent damage to your garden.

Maybug larva eating the roots of garden seedlings.

Why seedlings are susceptible to pests

Seedlings are young plants that are planted early in the season and are more vulnerable to pests because they have not yet had the chance to develop the natural defenses of an older plant. Additionally, their smaller size and softer leaves make them easy targets for pests like aphids, spider mites, and caterpillars.

This vulnerability can make it difficult for gardeners to protect their seedlings from pests without the right tools and knowledge. However, there are several effective ways to keep seedlings safe from pests and ensure they have the best chance of thriving and producing delicious produce.

Tips for protecting seedlings from pests

Protecting seedlings from pests can be a challenge for any organic gardener. One practical tip is to identify the type of pest you are dealing with and learn its behavior and needs. For instance, slugs and rabbits require different approaches to control them effectively.

Watering seedlings in the morning instead of the evening is also recommended, as it creates a drier environment in which these pests do not thrive.

Removing hiding spots from the garden and using various materials that certain pests dislike can also act as a barrier to prevent them from harming seedlings.

Another practical approach involves trapping pests like slugs with small tubs of beer or intentionally leaving one hiding spot out and removing them the next morning.

Use repellents around the base of young plants

Cover seedlings with cloche or row cover

One effective method to protect seedlings is by using a cloche or row cover. These covers provide a barrier against pests, harsh weather, and intense wind, allowing seedlings to grow strong and healthy.

To use a cloche or row cover, place it on well-drained soil with good exposure to light. Consider whether to cover an entire row or just individual plants and choose a cloche or row cover with features like air and moisture permeability.

This method is especially useful for cool-season vegetables and can help maximize harvests by extending the growing season.

Companion planting for bug-repellent plants

Companion planting is a great way to protect seedlings from bugs. Planting certain flowers and herbs alongside vegetables will deter pest insects from munching on them. Some of the most powerful bug-repellent plants include marigolds, nasturtiums, and borage.

Marigolds contain a phytotoxin that prevents nematodes from eating tomato roots, while nasturtiums attract aphids away from prized vegetables like peas and beans, and borage repels tomato hornworms. The added bonus is that these super flowers repel pests and add beauty and style to the garden.

Use repellents around the base of young plants

One way to protect young seedlings from pests is to use repellents around the base of the plants. A beer trap can be used for slugs since they love the smell of hops. Cayenne pepper can also be effective, as well as diatomaceous earth, for crawling pests.

Some gardeners even use garlic oil and other strong deterrents to keep their seedlings safe. However, it’s important to note that these repellents should be used cautiously, as they can also harm beneficial insects.

Use DIY stem protectors for cutworms

One way to protect seedlings from cutworms is to use DIY stem protectors. This involves encircling each stem with a 4-inch-tall piece of cardboard or aluminum foil to prevent cutworms from reaching the tender stems, especially after transplanting.

Another option is to use twigs, plastic drinking straws, or bamboo skewers cut into pieces and placed close to the stem. The idea is to make the stem and stick fat enough that the cutworms can’t wrap around it. However, it’s important to avoid placing anything too deep in the soil that could damage the roots.

Crop gardener planting green seedlings.

Importance of healthy seedlings

Healthy seedlings are the foundation of a successful garden. They are essential for ensuring productive plants that yield an abundance of food. Good quality seedlings lead to stronger and healthier plants that are more resistant to pests and diseases.

Furthermore, they can save you money and provide you with a greater variety of plants to choose from. It’s crucial to cultivate robust seedlings to have the best chance of developing a healthy garden.

Using professional growers’ techniques can help your seedlings grow strong and fruitful plants. Follow these steps to grow spectacular seedlings: decide when to plant your seeds and gather all the necessary supplies.

Consistent watering and proper soil for healthy growth

Consistent watering and proper soil are essential for healthy seedling growth. It is important to check the moisture level of the soil and water when the top layer starts to dry out. Bottom watering is recommended to ensure roots receive enough moisture and prevent disturbing the delicate seedlings.

Avoid overwatering, which can cause damping off and attract pests. Use sterile, store-bought potting mix to prevent disease and ensure the right nutrients for growth.

A well-draining soil mixture will also help promote healthy seedling growth. Your seedlings will grow strong and healthy by consistently providing the right amount of water and using appropriate soil.

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